Analysis

  • max time kernel
    157s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:30

General

  • Target

    0d6ffd2be024ed0e4672f7894635ffc3860895a7b12b18e9d3cf16cd44f8989f.exe

  • Size

    36KB

  • MD5

    1a161edfc85358a0fd3beb9f124c82ea

  • SHA1

    2c9c8cf4c3978223988d4213aa483c5c444862c4

  • SHA256

    0d6ffd2be024ed0e4672f7894635ffc3860895a7b12b18e9d3cf16cd44f8989f

  • SHA512

    bd53d051fb756e7b8fd96eb51e37f41aa172b640020a35c74a5336e1b4a2440d84f6f78872762a69ae3b43403bfd5aa639cc953825a02a756979acfc61c68ea6

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 52 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\0d6ffd2be024ed0e4672f7894635ffc3860895a7b12b18e9d3cf16cd44f8989f.exe
    "C:\Users\Admin\AppData\Local\Temp\0d6ffd2be024ed0e4672f7894635ffc3860895a7b12b18e9d3cf16cd44f8989f.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3248
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0d6ffd2be024ed0e4672f7894635ffc3860895a7b12b18e9d3cf16cd44f8989f.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2436
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3996
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2916
  • 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:3068
  • 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:3520

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    a25454f201acdccc344f29c993b4e805

    SHA1

    24455bd271ea0641776bd81db3014780fd990868

    SHA256

    5e7c6ed943b0ac83481a28ea2c85471536aeb196684ada98f9d4969dfeb4a01f

    SHA512

    ee878e44ab916ebb2c8d85344b5745f4427f8f02b320129951c1fc825fe6b92fcc495d58c7efe8d838f5a330d06a8afabe5812b6e93ecca9e00703f3ee610a1f

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

    MD5

    a25454f201acdccc344f29c993b4e805

    SHA1

    24455bd271ea0641776bd81db3014780fd990868

    SHA256

    5e7c6ed943b0ac83481a28ea2c85471536aeb196684ada98f9d4969dfeb4a01f

    SHA512

    ee878e44ab916ebb2c8d85344b5745f4427f8f02b320129951c1fc825fe6b92fcc495d58c7efe8d838f5a330d06a8afabe5812b6e93ecca9e00703f3ee610a1f

  • memory/3248-130-0x0000000000B50000-0x0000000000B69000-memory.dmp

    Filesize

    100KB

  • memory/3248-131-0x0000000003080000-0x0000000003087000-memory.dmp

    Filesize

    28KB

  • memory/3708-134-0x0000000000D90000-0x0000000000DA9000-memory.dmp

    Filesize

    100KB

  • memory/3708-135-0x0000000000D60000-0x0000000000D67000-memory.dmp

    Filesize

    28KB