Analysis

  • max time kernel
    169s
  • max time network
    174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:32

General

  • Target

    0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe

  • Size

    216KB

  • MD5

    e1391b213f4e85f2438b5fb3dd2f516e

  • SHA1

    170e0787adfbe53acb492576288163a07f787574

  • SHA256

    0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2

  • SHA512

    042b970d99553b65140521759e4e40054d5c171307b604265d0273135f859756f9d447468a0d615082109bd1ca7d9e311b9063502741957c0e2fe9261bd6e924

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 4 IoCs
  • suricata: ET MALWARE SUSPICIOUS UA (iexplore)

    suricata: ET MALWARE SUSPICIOUS UA (iexplore)

  • suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

    suricata: ET MALWARE Sakula/Mivast RAT CnC Beacon 1

  • 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 45 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\0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe
    "C:\Users\Admin\AppData\Local\Temp\0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1804
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:512
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0d48f84351580082c7368f5f3f3bffabdac956dcaf6aef14d8d7670d550eafa2.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1948
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3448
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 0
    1⤵
    • Checks processor information in registry
    PID:3292
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Modifies data under HKEY_USERS
    PID:1868
  • 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:2996

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    MD5

    48992ae240bcde5c7ffac61653264fbd

    SHA1

    ee69a8e62c6dbb6ef8ce9587a8f7e109d84e06c9

    SHA256

    34e165984a1e4509195ebdafa96218458f19d102448735464d627a1fa42742e4

    SHA512

    af45a4a2d20d2b187e92d1b7a3f206bf01475da2543258609871044af2b8f7c0c371910bd4d290983ab801d34778952131d2f4c881f4419b5babe098e05ddb2e

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

    MD5

    48992ae240bcde5c7ffac61653264fbd

    SHA1

    ee69a8e62c6dbb6ef8ce9587a8f7e109d84e06c9

    SHA256

    34e165984a1e4509195ebdafa96218458f19d102448735464d627a1fa42742e4

    SHA512

    af45a4a2d20d2b187e92d1b7a3f206bf01475da2543258609871044af2b8f7c0c371910bd4d290983ab801d34778952131d2f4c881f4419b5babe098e05ddb2e

  • memory/512-133-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/1804-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB