Analysis

  • max time kernel
    165s
  • max time network
    176s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 06:38

General

  • Target

    0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe

  • Size

    100KB

  • MD5

    6c3ad26ef3bebe01cbd0872c43e25121

  • SHA1

    f025aebe000688bac9e6aa16878f19c33a5d815f

  • SHA256

    0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef

  • SHA512

    87d08bde9767ea25bf752ea23fa9969673eb8f57b7ac38bcc65feca77a41132b27903b13fbf9d7a6f1b87efa49e9d911022ca3c595f862ada4ac90ecd625c5fe

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\0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe
    "C:\Users\Admin\AppData\Local\Temp\0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1916
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:112
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f6889d398f75015669f297699a0e3488cf122390296682ccd82fd96b07133ef.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2184
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1332
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:816
  • 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:1680
  • 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:2404

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    MD5

    8399d6d1462ff954550aaff55e2f48c1

    SHA1

    418da410bfad72e34d94214580a8ab39c2c35e95

    SHA256

    304a8a1222ad01f1fa847ef232ed3633e3a884c0bf40dad91bb6c61fbcef65e1

    SHA512

    2dbe318624bd8f19792ddc4917875529559c59217ad508c4e729a9f9e73c0bf1d64e9a9cd7bb4d2045d797847ad1002008fd7ca27931d40b0b7d7e1d047bda7f

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

    MD5

    8399d6d1462ff954550aaff55e2f48c1

    SHA1

    418da410bfad72e34d94214580a8ab39c2c35e95

    SHA256

    304a8a1222ad01f1fa847ef232ed3633e3a884c0bf40dad91bb6c61fbcef65e1

    SHA512

    2dbe318624bd8f19792ddc4917875529559c59217ad508c4e729a9f9e73c0bf1d64e9a9cd7bb4d2045d797847ad1002008fd7ca27931d40b0b7d7e1d047bda7f