Analysis

  • max time kernel
    167s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 08:06

General

  • Target

    0bb0352ee53dc4d18995e273f4e922d0279a8e73d3289bc489f634befcf64e5a.exe

  • Size

    80KB

  • MD5

    6f2b361c3591aea040ed85673bc456ff

  • SHA1

    f8c67ff3b51383da1548f3e2ec9b48385f12ecb2

  • SHA256

    0bb0352ee53dc4d18995e273f4e922d0279a8e73d3289bc489f634befcf64e5a

  • SHA512

    3b6d05187446b2f5fa3bce6e7751aa166f169f11f1fbad69b8c65327e8e9796ca19eaaa26fdce0a2e7803e66d76957177516502a3a995839dc83487aad13b29d

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 49 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\0bb0352ee53dc4d18995e273f4e922d0279a8e73d3289bc489f634befcf64e5a.exe
    "C:\Users\Admin\AppData\Local\Temp\0bb0352ee53dc4d18995e273f4e922d0279a8e73d3289bc489f634befcf64e5a.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3736
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3052
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0bb0352ee53dc4d18995e273f4e922d0279a8e73d3289bc489f634befcf64e5a.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:768
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3404
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2912
  • 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:2960
  • 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:2856

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    8c999cd3e00b2563a473b8eeab18d759

    SHA1

    6c103ab4be80267a43704c8697d99efd3eb332bf

    SHA256

    09963be934050de2bbfbbfb4873c4f89ed98d5ebe8936f1d901ec4ecdd30df3b

    SHA512

    6c8a35e7f0e051f3d91a85bdda9f960a7c31671de141df2963e614d631804bd10071047671795cc66b34d60ab9bc5c63c5e82bb2b3818dff79aee2fab79464cd

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

    MD5

    8c999cd3e00b2563a473b8eeab18d759

    SHA1

    6c103ab4be80267a43704c8697d99efd3eb332bf

    SHA256

    09963be934050de2bbfbbfb4873c4f89ed98d5ebe8936f1d901ec4ecdd30df3b

    SHA512

    6c8a35e7f0e051f3d91a85bdda9f960a7c31671de141df2963e614d631804bd10071047671795cc66b34d60ab9bc5c63c5e82bb2b3818dff79aee2fab79464cd