Analysis

  • max time kernel
    185s
  • max time network
    194s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 10:12

General

  • Target

    07dc2a7c5cb79e5d36bddefccc90adaae2a9e4bf38fe0f25b23375af6ec1e179.exe

  • Size

    216KB

  • MD5

    5081422133a9bc64ca4fa1f6fb6a2679

  • SHA1

    2915d248a24b8da1fb86cc5d4039fe707e0414e6

  • SHA256

    07dc2a7c5cb79e5d36bddefccc90adaae2a9e4bf38fe0f25b23375af6ec1e179

  • SHA512

    50f8f600ce03702842a9c5ff43d97de1356f614fbf954676640bb7adfd1e7ccb34e5b689b36da32ac43f00199b6e625a3a2ae209648b7f66f8f546d574a197e0

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 3 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 51 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\07dc2a7c5cb79e5d36bddefccc90adaae2a9e4bf38fe0f25b23375af6ec1e179.exe
    "C:\Users\Admin\AppData\Local\Temp\07dc2a7c5cb79e5d36bddefccc90adaae2a9e4bf38fe0f25b23375af6ec1e179.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3192
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\07dc2a7c5cb79e5d36bddefccc90adaae2a9e4bf38fe0f25b23375af6ec1e179.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:636
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2532
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2676
  • 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:3096
  • 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:3116

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    7837b6e924e590ff3e14f3d8e5fb87d5

    SHA1

    acd13af015eba6033b0ef44478222f8f2bea76ad

    SHA256

    7e43174571da0758b135b7427d025f7b29ef97e04363a63f4640732506b46691

    SHA512

    9339050379d855b8664cc324de79f00f47bd485573f5c7d559012fd76304bcd3c08ec244243945f3594cedf3ff88cf32329f9ad2dd72d7d45e68444fd734183b

  • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
    MD5

    7837b6e924e590ff3e14f3d8e5fb87d5

    SHA1

    acd13af015eba6033b0ef44478222f8f2bea76ad

    SHA256

    7e43174571da0758b135b7427d025f7b29ef97e04363a63f4640732506b46691

    SHA512

    9339050379d855b8664cc324de79f00f47bd485573f5c7d559012fd76304bcd3c08ec244243945f3594cedf3ff88cf32329f9ad2dd72d7d45e68444fd734183b

  • memory/2172-132-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB