Analysis

  • max time kernel
    172s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 08:08

General

  • Target

    0ba1ed465a2c9e18ec05d33d7ab7da442487facfd5ed2addaa762b0c1251fccd.exe

  • Size

    101KB

  • MD5

    ca318c838cd1c3c6a2ddf3abc538b652

  • SHA1

    13a91edaf4f5727c5f5fa4277b4041e7110bd8fa

  • SHA256

    0ba1ed465a2c9e18ec05d33d7ab7da442487facfd5ed2addaa762b0c1251fccd

  • SHA512

    92ff016c800290cedca1cc2d0168520120d7277d357b37f9df07e3b73440ccaec9d11406286c99116c5cda6669d25a30cea118ea580685bebd6fac70e9a0fea9

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 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\0ba1ed465a2c9e18ec05d33d7ab7da442487facfd5ed2addaa762b0c1251fccd.exe
    "C:\Users\Admin\AppData\Local\Temp\0ba1ed465a2c9e18ec05d33d7ab7da442487facfd5ed2addaa762b0c1251fccd.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2640
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:1704
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ba1ed465a2c9e18ec05d33d7ab7da442487facfd5ed2addaa762b0c1251fccd.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3648
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3832
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3316
  • 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:212
  • 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:2320

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    461f3d0ef046f9b2d4c33b2132076171

    SHA1

    c38119cf4c0af16eda45fead83de7a4fcd1bf63c

    SHA256

    e0669f5788df0d580674f70ac1423d9f8eabde46610980bfb27ca3624e318024

    SHA512

    46378710a09ab47b51ae26717b84c88b3e27ad37ed5597fca24d56340709401d8cbd4aca8709ce8f7729f9d9c5c6767c8cdc22c9aead8b093ad5c4b820660508

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

    MD5

    461f3d0ef046f9b2d4c33b2132076171

    SHA1

    c38119cf4c0af16eda45fead83de7a4fcd1bf63c

    SHA256

    e0669f5788df0d580674f70ac1423d9f8eabde46610980bfb27ca3624e318024

    SHA512

    46378710a09ab47b51ae26717b84c88b3e27ad37ed5597fca24d56340709401d8cbd4aca8709ce8f7729f9d9c5c6767c8cdc22c9aead8b093ad5c4b820660508