Analysis

  • max time kernel
    174s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 08:23

General

  • Target

    0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe

  • Size

    216KB

  • MD5

    927f49d13a62db61c277927a6e2bcd89

  • SHA1

    f949094d9ca34e64e32098be8d48fd7130ab258e

  • SHA256

    0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d

  • SHA512

    f9f1af3deaee98b104a59cbf2a53b42ee1b9567f3f707fe8aed9e655a389a5b3ce2c4a0ca1000a4407c8c3a4abe949a2eaeb3b06ef1731e5ed4f236818624093

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 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\0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe
    "C:\Users\Admin\AppData\Local\Temp\0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1380
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2708
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b3272ba7341321893676a56a7d9a435b85b1245060bb60c1f968d3811660f7d.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1752
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3308
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2660
  • 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:496
  • 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:2508

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    f0086f6f5c63366a379c43c7d79c82ca

    SHA1

    5b9ade5279ea5d6dc882f3c52372091d0a05275d

    SHA256

    06e7b4c592e75ea92a6ec9b8ab2ed869301acbc15821529ad260d2a4e737e555

    SHA512

    c0fcc65fe345b025098e0e17be9f1b1bbc60c37c8a6ddc51d94f3a39c294b9891b0726f8b9029b9e9f88219bd2fda9d3ab8beb57de9fa3b22bfc8351bc4f9685

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

    f0086f6f5c63366a379c43c7d79c82ca

    SHA1

    5b9ade5279ea5d6dc882f3c52372091d0a05275d

    SHA256

    06e7b4c592e75ea92a6ec9b8ab2ed869301acbc15821529ad260d2a4e737e555

    SHA512

    c0fcc65fe345b025098e0e17be9f1b1bbc60c37c8a6ddc51d94f3a39c294b9891b0726f8b9029b9e9f88219bd2fda9d3ab8beb57de9fa3b22bfc8351bc4f9685

  • memory/1380-132-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB