Analysis

  • max time kernel
    165s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:31

General

  • Target

    0d5686eb3dd9cb3cd1afe6b1480987e110f87f5ec411ebdb859e5cdcafcf8da0.exe

  • Size

    79KB

  • MD5

    af596dce04d3925be0dd1dc2b74351ee

  • SHA1

    cee118a8628368d6616dde48c0efa38003cd3477

  • SHA256

    0d5686eb3dd9cb3cd1afe6b1480987e110f87f5ec411ebdb859e5cdcafcf8da0

  • SHA512

    03da9d29e0efb473e49586378d57616609829f792bbe749da3746fee31f964b2b4c8a75cc070b6b729320c728cfb9b291475d475da880e3891c4fc48e096d0d9

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies data under HKEY_USERS 49 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0d5686eb3dd9cb3cd1afe6b1480987e110f87f5ec411ebdb859e5cdcafcf8da0.exe
    "C:\Users\Admin\AppData\Local\Temp\0d5686eb3dd9cb3cd1afe6b1480987e110f87f5ec411ebdb859e5cdcafcf8da0.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2652
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1368
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0d5686eb3dd9cb3cd1afe6b1480987e110f87f5ec411ebdb859e5cdcafcf8da0.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2828
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1932
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3780
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:2740
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2696

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    MD5

    2ceb38e85bb3d9859b397f3f764c222d

    SHA1

    3163f969a8beb0e2483dc673f83bc2d91484fef9

    SHA256

    85fe6edcf0a2916d16428407f72f27dbb05b297e7ea976ebd34d8533deec8c99

    SHA512

    8c08ab64b38d9e7c1e83dc91bd9b8651764fc531bac0e74c977914a6f82347fa395e87eb90db15b80b15ab45e471742a08e3ea7cda7c751085b12da2cb375935

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

    MD5

    2ceb38e85bb3d9859b397f3f764c222d

    SHA1

    3163f969a8beb0e2483dc673f83bc2d91484fef9

    SHA256

    85fe6edcf0a2916d16428407f72f27dbb05b297e7ea976ebd34d8533deec8c99

    SHA512

    8c08ab64b38d9e7c1e83dc91bd9b8651764fc531bac0e74c977914a6f82347fa395e87eb90db15b80b15ab45e471742a08e3ea7cda7c751085b12da2cb375935