Analysis

  • max time kernel
    167s
  • max time network
    177s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 06:03

General

  • Target

    10ff64c7e6da83ea8bb45fc74e37683680833b9c39cdc2dd9c18738d888afa47.exe

  • Size

    35KB

  • MD5

    691bbc1d4d273068c91e464b2a800da4

  • SHA1

    5fa3c8727528f444fb9954c34479d06cb2f1845d

  • SHA256

    10ff64c7e6da83ea8bb45fc74e37683680833b9c39cdc2dd9c18738d888afa47

  • SHA512

    ce361f90c472d02bec672939df11344dcb038f6bd396739de787933ba533848330b1dee43bd6c8ad546f62c92fa7235a5b4a115d8c8ed0c11b8c73ce39643234

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • 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 2 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 47 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 49 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10ff64c7e6da83ea8bb45fc74e37683680833b9c39cdc2dd9c18738d888afa47.exe
    "C:\Users\Admin\AppData\Local\Temp\10ff64c7e6da83ea8bb45fc74e37683680833b9c39cdc2dd9c18738d888afa47.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1044
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:392
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\10ff64c7e6da83ea8bb45fc74e37683680833b9c39cdc2dd9c18738d888afa47.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2312
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2496
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:3444
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Modifies data under HKEY_USERS
    PID:3540
  • 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:532

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    62b6e23412a3b2acbb0e62a48ed674a8

    SHA1

    3eccb4e0c25fcaaf70f753eb1c84153189cbef0d

    SHA256

    e2e43165a46886e77457995e2e900dd296351e1d5f49bfae072b2d730ef27c7e

    SHA512

    94e1ed174905000915e442055529e59fc62d847f4d2911822fb119430a240eee62a7e0af2f581d02fcaa87a4055387f2823b605725304ee7bfc3b98a8d33c659

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

    MD5

    62b6e23412a3b2acbb0e62a48ed674a8

    SHA1

    3eccb4e0c25fcaaf70f753eb1c84153189cbef0d

    SHA256

    e2e43165a46886e77457995e2e900dd296351e1d5f49bfae072b2d730ef27c7e

    SHA512

    94e1ed174905000915e442055529e59fc62d847f4d2911822fb119430a240eee62a7e0af2f581d02fcaa87a4055387f2823b605725304ee7bfc3b98a8d33c659