Analysis

  • max time kernel
    153s
  • max time network
    172s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:38

General

  • Target

    0d0ae42441740d5c812630022196efb123512aeb9a0864b38287226a139ba918.exe

  • Size

    99KB

  • MD5

    02ef030c5f33ccecd137d9e9db943ef6

  • SHA1

    2b5e6e6b613d284dbfb7d4f263f11a9dacc291b9

  • SHA256

    0d0ae42441740d5c812630022196efb123512aeb9a0864b38287226a139ba918

  • SHA512

    0e174ba45c062adf9abffeecfbca9bc2b4bacace596a5260d46c343989d830dd6a998613d5b90cfc709e3a4dc5ca872899be5c231edc21c22e6953dc6f170fba

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 56 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\0d0ae42441740d5c812630022196efb123512aeb9a0864b38287226a139ba918.exe
    "C:\Users\Admin\AppData\Local\Temp\0d0ae42441740d5c812630022196efb123512aeb9a0864b38287226a139ba918.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1372
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2068
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0d0ae42441740d5c812630022196efb123512aeb9a0864b38287226a139ba918.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:912
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3300
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:460
  • 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:2644
  • 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:3740

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    8db0d12a7f29cdaa483aa498796b2bd3

    SHA1

    f2bfe99e696fc4b782541d9752395b892a60fda1

    SHA256

    f61a7a0f938d60c5c70ec2096be694d87d16855f9351817f8276011213e09564

    SHA512

    f5f53d32e151ba9f9a8b48a57614a02a92538046d4f511a3943914a822b4ef3680b828ae2d7d1716009f56615651648b4be318ca6dafa019bd4e0b8994c09fb2

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

    MD5

    8db0d12a7f29cdaa483aa498796b2bd3

    SHA1

    f2bfe99e696fc4b782541d9752395b892a60fda1

    SHA256

    f61a7a0f938d60c5c70ec2096be694d87d16855f9351817f8276011213e09564

    SHA512

    f5f53d32e151ba9f9a8b48a57614a02a92538046d4f511a3943914a822b4ef3680b828ae2d7d1716009f56615651648b4be318ca6dafa019bd4e0b8994c09fb2