Analysis

  • max time kernel
    167s
  • max time network
    189s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 06:45

General

  • Target

    0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe

  • Size

    79KB

  • MD5

    67d21006cb9c3141f7cb8d6c48d9e9c2

  • SHA1

    514d996c51f6f1762d367b8f710f2598cd57ee43

  • SHA256

    0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156

  • SHA512

    3a46263d08591c6d672a395f2a1d6ef46915df0e9e0660a5277dadd05ea6e14a4bb8baf57d78ea3a3fc06fc15bda53b7b5126c5c6c8aaa313b17e400cc88a849

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 2 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 47 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\0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe
    "C:\Users\Admin\AppData\Local\Temp\0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4000
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3348
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f092760d761b74581b6263374d164cca0c3d6cf32e7e6970711f985749ad156.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3388
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3004
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1304
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Modifies data under HKEY_USERS
    PID:3004
  • 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:3284

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    MD5

    0f55ca30e3a6196b359d5d5a05f34480

    SHA1

    dc2e1dbcc5a2954d53ef970d046e5ea3d8844b9f

    SHA256

    4c7e23a79dc215053384e60c0045b4c6ec52b9e34ae996b36390f7996a75e1ad

    SHA512

    68f4cf0542b96461e0f9b4bee1e615da49c8b4ac6e30d5d60d4cbf17ffd67d6b19363ae088f9c640bbd13d078f4e2cfa942d5fec9d6c11e657dd9d8c982e942a

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

    MD5

    0f55ca30e3a6196b359d5d5a05f34480

    SHA1

    dc2e1dbcc5a2954d53ef970d046e5ea3d8844b9f

    SHA256

    4c7e23a79dc215053384e60c0045b4c6ec52b9e34ae996b36390f7996a75e1ad

    SHA512

    68f4cf0542b96461e0f9b4bee1e615da49c8b4ac6e30d5d60d4cbf17ffd67d6b19363ae088f9c640bbd13d078f4e2cfa942d5fec9d6c11e657dd9d8c982e942a