MD5: 160aaddd080307dba52ada471bb9887a
SHA1: e51b3ce7788ca80092256ff9babbd8870da59d0b
SHA256: 11943aadd3c72cb9fdb300d4a9db59d891807e2a984ef5efffaa7f0319638af4
SSDeep: 12288:71/aGLDCMNpNAkoSzZWD8ayX2MQCw7D0JEsUWAXPat4iMihV4wwPBgkeeqk3sFQI:71/aGLDCM4D8ayGMNEsUWAXPat4iMihd
Size: 741815 bytes
File type: EXE
Platform: WIN32
Entropy: Packed
PEID: UPolyXv05_v6
Company: no certificate found
Created at: 2014-02-27 08:41:59
Analyzed on: WindowsXP SP3 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):

%original file name%.exe:772
fklek.exe:716

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 %original file name%.exe:772 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

%Documents and Settings%\All Users\Application Data\fklek.exe (914498 bytes)
%Documents and Settings%\All Users\Application Data\Saaaalamm\Mira.h (542871 bytes)

The process fklek.exe:716 makes changes in the file system.
The Trojan creates and/or writes to the following file(s):

C:\AUTOEXEC.BAT .exe (1455811 bytes)
C:\%original file name%.exe .exe (1455811 bytes)
C:\MSDOS.SYS .exe (1455811 bytes)
C:\IO.SYS .exe (1455811 bytes)
C:\boot.ini .exe (1455811 bytes)
%Documents and Settings% .exe (1455811 bytes)
C:\RECYCLER .exe (1455811 bytes)
C:\ntldr .exe (1455811 bytes)
C:\original .exe (1455811 bytes)
C:\totalcmd .exe (1455811 bytes)
C:\NTDETECT.COM .exe (1455811 bytes)
C:\System Volume Information .exe (1455811 bytes)
C:\CONFIG.SYS .exe (1455811 bytes)
C:\marker .exe (1455811 bytes)
%Program Files% .exe (1455811 bytes)
%WinDir% .exe (1455811 bytes)
C:\pagefile.sys .exe (1455811 bytes)

The Trojan deletes the following file(s):

C:\Mirax (0 bytes)
C:\Mirat (0 bytes)
C:\Mirau (0 bytes)
C:\Miraw (0 bytes)
C:\Mirap (0 bytes)
C:\Miras (0 bytes)
C:\Miral (0 bytes)
C:\Mirai (0 bytes)
C:\Mirad (0 bytes)
C:\Mirae (0 bytes)
C:\Miraa (0 bytes)

Registry activity

The process %original file name%.exe:772 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Cryptography\RNG]
"Seed" = "C6 A9 85 AF D1 B0 28 13 11 BF BB F2 13 63 CE 72"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd73-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd72-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{b98117e8-75ca-11e2-81b2-000c293708fb}]
"BaseClass" = "Drive"

[HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\MountPoints2\{c155cd75-744b-11e2-8294-806d6172696f}]
"BaseClass" = "Drive"

The process fklek.exe:716 makes changes in the system registry.
The Trojan creates and/or sets the following values in system registry:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Shell Folders]
"Common AppData" = "%Documents and Settings%\All Users\Application Data"

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" = "%Documents and Settings%\All Users\Application Data\fklek.exe"

Dropped PE files

HOSTS file anomalies

No changes have been detected.

Rootkit activity

No anomalies have been detected.

Propagation

VersionInfo

No information is available.

PE Sections

Dropped from:

Downloaded by:

Similar by SSDeep:

Similar by Lavasoft Polymorphic Checker:

Total found: 2
7bf219efd95d416678e1f28f4206ed28
5b2c6910cd6609e36fa2ea587313e94b

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):

.text

`.data

.rdata

@.bss

.idata

%Documents and Settings%\All Users\Application Data\fklek.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):
   

   %original file name%.exe:772
   fklek.exe:716

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

   %Documents and Settings%\All Users\Application Data\fklek.exe (914498 bytes)
   %Documents and Settings%\All Users\Application Data\Saaaalamm\Mira.h (542871 bytes)
   C:\AUTOEXEC.BAT .exe (1455811 bytes)
   C:\%original file name%.exe .exe (1455811 bytes)
   C:\MSDOS.SYS .exe (1455811 bytes)
   C:\IO.SYS .exe (1455811 bytes)
   C:\boot.ini .exe (1455811 bytes)
   %Documents and Settings% .exe (1455811 bytes)
   C:\RECYCLER .exe (1455811 bytes)
   C:\ntldr .exe (1455811 bytes)
   C:\original .exe (1455811 bytes)
   C:\totalcmd .exe (1455811 bytes)
   C:\NTDETECT.COM .exe (1455811 bytes)
   C:\System Volume Information .exe (1455811 bytes)
   C:\CONFIG.SYS .exe (1455811 bytes)
   C:\marker .exe (1455811 bytes)
   %Program Files% .exe (1455811 bytes)
   %WinDir% .exe (1455811 bytes)
   C:\pagefile.sys .exe (1455811 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" = "%Documents and Settings%\All Users\Application Data\fklek.exe"

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