Analysis

  • max time kernel
    165s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:57

General

  • Target

    0c1ec02799efa60ccb3b8dfc9ed0ed10d472f76a126c516c8db36e4f87aa19e5.exe

  • Size

    36KB

  • MD5

    6491cc79e65a058c47a7444040791c0e

  • SHA1

    c50916a392b57b2dde0a19117a546487859db0d6

  • SHA256

    0c1ec02799efa60ccb3b8dfc9ed0ed10d472f76a126c516c8db36e4f87aa19e5

  • SHA512

    dba49cc0798fff919201716f7ffc93ab8d5aeb77b3f95b55f8cdc79708eb78339e09b0b3ca37bed681ddc2b01286c5c5520760c23e5fb8419a9f268473744729

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • 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 50 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\0c1ec02799efa60ccb3b8dfc9ed0ed10d472f76a126c516c8db36e4f87aa19e5.exe
    "C:\Users\Admin\AppData\Local\Temp\0c1ec02799efa60ccb3b8dfc9ed0ed10d472f76a126c516c8db36e4f87aa19e5.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3540
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3744
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c1ec02799efa60ccb3b8dfc9ed0ed10d472f76a126c516c8db36e4f87aa19e5.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1904
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:4008
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:4004
  • 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:3820
  • 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:640

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    210fdb3d521cb3465a10ee2d5ab5710d

    SHA1

    4ebdf4db656869251f25ff66e51d4b3819eda7dd

    SHA256

    16c30bb5baba3c1e5ba10b75a20a00b7d7c154351476b1fe2ce7f2bc8b21a408

    SHA512

    2b20c977a0ffd623c79db48eaa813d4a4e2fd5a8a22c8d9b96630ff7faa37f17731776eec99563558db4851b9cfef731b97afbc347020e59b619f2d63e17dfb4