Gen.Trojan.Heur.9y1vqu9UYmi_0bdfdc3df7

by malwarelabrobot on November 22nd, 2016 in Malware Descriptions.

Trojan.Win32.Agent.icgh (Kaspersky), Gen:Trojan.Heur.9y1@vqu9UYmi (B) (Emsisoft), Gen:Trojan.Heur.9y1@vqu9UYmi (AdAware), TrojanSwrort.YR (Lavasoft MAS)
Behaviour: Trojan


The description has been automatically generated by Lavasoft Malware Analysis System and it may contain incomplete or inaccurate information.

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Summary
Dynamic Analysis
Static Analysis
Network Activity
Map
Strings from Dumps
Removals

MD5: 0bdfdc3df7cfd64b670d7cc7bfa8f0fc
SHA1: 399784f979d523e981f9118e84643c05a10b8437
SHA256: 23fbbc9ad90fb4243aeb1b3beb854bf4e537a4223d1ffbff120d0047e403ef87
SSDeep: 24576:/1/aGLDCM4D8ayGMZo8//OW5S7jIKZ0krxBJoWQnD:wD8ayGMZoSOW0jHPrxBKd
Size: 1010925 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: no data
Analyzed on: Windows7 SP1 32-bit


Summary:

Trojan. A program that appears to do one thing but actually does another (a.k.a. Trojan Horse).

Payload

No specific payload has been found.

Process activity

The Trojan creates the following process(es):

dgxvec.exe:2388
%original file name%.exe:3884

The Trojan injects its code into the following process(es):
No processes have been created.

Mutexes

The following mutexes were created/opened:
No objects were found.

File activity

The process dgxvec.exe:2388 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\original .exe (1963131 bytes)
C:\%original file name%.exe .exe (1963131 bytes)
C:\config.sys .exe (1963131 bytes)
C:\bootmgr .exe (1963131 bytes)
C:\Boot .exe (1963131 bytes)
C:\Windows .exe (1963131 bytes)
C:\ProgramData .exe (1963131 bytes)
C:\$Recycle.Bin .exe (1963131 bytes)
C:\BOOTSECT.BAK .exe (1963131 bytes)
%Documents and Settings% .exe (1963131 bytes)
C:\totalcmd .exe (1963131 bytes)
C:\Users .exe (1963131 bytes)
C:\XELDZ .exe (1963131 bytes)
C:\autoexec.bat .exe (1963131 bytes)
C:\System Volume Information .exe (1963131 bytes)
C:\marker .exe (1963131 bytes)
%Program Files% .exe (1963131 bytes)
C:\pagefile.sys .exe (1963131 bytes)

The Trojan deletes the following file(s):

C:\Miray (0 bytes)
C:\Mirat (0 bytes)
C:\Mirau (0 bytes)
C:\Miraw (0 bytes)
C:\Mirap (0 bytes)
C:\Miraq (0 bytes)
C:\Mirar (0 bytes)
C:\Miram (0 bytes)
C:\Mirao (0 bytes)
C:\Mirah (0 bytes)
C:\Miraj (0 bytes)
C:\Mirak (0 bytes)
C:\Mirad (0 bytes)
C:\Mirae (0 bytes)
C:\Miraf (0 bytes)
C:\Mirag (0 bytes)
C:\Miraa (0 bytes)
C:\Mirac (0 bytes)

The process %original file name%.exe:3884 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\ProgramData\Saaaalamm\Mira.h (960208 bytes)
C:\ProgramData\dgxvec.exe (1020253 bytes)

Registry activity

The process dgxvec.exe:2388 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:
To automatically run itself each time Windows is booted, the Trojan adds the following link to its file to the system registry autorun key:

[HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
"Microsoft® Windows® Operating System" = "C:\ProgramData\dgxvec.exe"

Dropped PE files

MD5 File path
1a5e291201c4088eb0ddc2c77c8bbaaa c:\$Recycle.Bin .exe
e4ef048d4135751a215a0a0b5af7149a c:\%original file name%.exe .exe
79eed9ac661d7ff8e89b89ad4a9f8352 c:\BOOTSECT.BAK .exe
ada6bcaa0fee33c390de471ab67e5cf9 c:\Boot .exe
e928dc8662f88126834b797652168204 c:\Documents and Settings .exe
f7a867dd1015e50115404e30a423900f c:\Perl .exe
7448049087e9eaf614a1a163b157d9a0 c:\Program Files .exe
f1bb4f413246b0f7ae7feac945bda221 c:\ProgramData .exe
2549139ceeb2c40c2ea0aeb04527d833 c:\ProgramData\Saaaalamm\Mira.h
4e80e292e885193a8d223410ff50e3fe c:\ProgramData\dgxvec.exe
aaa002c187e9f6e4c2cf39fd52a24a75 c:\System Volume Information .exe
a61b14414bd1e5635affeaf81463c83b c:\Users .exe
2549139ceeb2c40c2ea0aeb04527d833 c:\Users\All Users\Saaaalamm\Mira.h
4e80e292e885193a8d223410ff50e3fe c:\Users\All Users\dgxvec.exe
96666e2f0e569b5d0d58cbe8741f6c54 c:\Windows .exe
f7102c3993825c000fbbc99c1b7f94fb c:\XELDZ .exe
59d911515fbe4b98492ec526ca72d55e c:\autoexec.bat .exe
551786b93fa1fe3ec3c4e5bbcada5091 c:\bootmgr .exe
a9705696ec68b111c6e9666bbc8d7366 c:\config.sys .exe
a7b8a5393033af1a8db0892bca553df4 c:\marker .exe
d6bdd47228dad34282fe6247f189ecd3 c:\original .exe
7143c8a26d539dbe63afeb90b7f7f629 c:\pagefile.sys .exe
9315454523263bba679d3af9172b4089 c:\totalcmd .exe

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

Company Name: Microsoft Corporation
Product Name: Mira Malware
Product Version: 1.0.0.155
Legal Copyright: Microsoft Corporation
Legal Trademarks:
Original Filename:
Internal Name:
File Version: 1.0.0.155
File Description: Mira Malware
Comments:
Language: English (United States)

PE Sections

Name Virtual Address Virtual Size Raw Size Entropy Section MD5
.text 4096 245368 245760 4.21465 8b164ac8ef3742f37830dc1842275667
.data 249856 608 1024 0.488703 6fda88cf7188a8245a53dfde927250fd
.rdata 253952 9384 9728 3.47165 dbe852009dbd077a9976cb0ecfb9aadf
.bss 266240 18576 0 0 d41d8cd98f00b204e9800998ecf8427e
.idata 286720 2212 2560 2.97703 5e5242c565219f3bd33a6568632559dc
.rsrc 290816 758300 750829 4.9173 1531f65053338a377c5fcbc9cbb47a0d

Dropped from:

58f90ced3608ddc05348313f10dc5e81

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

URLs

No activity has been detected.

IDS verdicts (Suricata alerts: Emerging Threats ET ruleset)

Traffic

Web Traffic was not found.

The Trojan connects to the servers at the folowing location(s):

dgxvec.exe_2388:

.text
`.data
.rdata
@.bss
.idata
C:\ProgramData\dgxvec.exe
Software\Microsoft\Windows\CurrentVersion\Run
Windows
Operating System
%H:%M:%S
%m/%d/%y
-0123456789
%s:%u: failed assertion `%s'
RegCloseKey
RegOpenKeyA
ADVAPI32.DLL
KERNEL32.dll
msvcrt.dll
SHELL32.DLL


Remove it with Ad-Aware

  1. Click (here) to download and install Ad-Aware Free Antivirus.
  2. Update the definition files.
  3. Run a full scan of your computer.


Manual removal*

  1. Terminate malicious process(es) (How to End a Process With the Task Manager):

    dgxvec.exe:2388
    %original file name%.exe:3884

  2. Delete the original Trojan file.
  3. Delete or disinfect the following files created/modified by the Trojan:

    C:\original .exe (1963131 bytes)
    C:\%original file name%.exe .exe (1963131 bytes)
    C:\config.sys .exe (1963131 bytes)
    C:\bootmgr .exe (1963131 bytes)
    C:\Boot .exe (1963131 bytes)
    C:\Windows .exe (1963131 bytes)
    C:\ProgramData .exe (1963131 bytes)
    C:\$Recycle.Bin .exe (1963131 bytes)
    C:\BOOTSECT.BAK .exe (1963131 bytes)
    %Documents and Settings% .exe (1963131 bytes)
    C:\totalcmd .exe (1963131 bytes)
    C:\Users .exe (1963131 bytes)
    C:\XELDZ .exe (1963131 bytes)
    C:\autoexec.bat .exe (1963131 bytes)
    C:\System Volume Information .exe (1963131 bytes)
    C:\marker .exe (1963131 bytes)
    %Program Files% .exe (1963131 bytes)
    C:\pagefile.sys .exe (1963131 bytes)
    C:\ProgramData\Saaaalamm\Mira.h (960208 bytes)
    C:\ProgramData\dgxvec.exe (1020253 bytes)

  4. Delete the following value(s) in the autorun key (How to Work with System Registry):

    [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
    "Microsoft® Windows® Operating System" = "C:\ProgramData\dgxvec.exe"

*Manual removal may cause unexpected system behaviour and should be performed at your own risk.

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