Analysis

  • max time kernel
    159s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:50

General

  • Target

    0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe

  • Size

    216KB

  • MD5

    0b02352436bdbe87d89ab078ed83dcf1

  • SHA1

    ff5c07e810be06de55bfa58bbfd66d6740236578

  • SHA256

    0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110

  • SHA512

    46f7d5053e3cdb90e7aa191b291cfc18c4312d233ba64f23edb71b63e680bd91abef8707c53e7ab6aa2540aad116b878a53b6d57a272986de478cc937c888e03

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 3 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 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\0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe
    "C:\Users\Admin\AppData\Local\Temp\0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:3088
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:4056
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c922c3498b639e1340b836f3961e2de78a8ef828396dff6626ed4a136014110.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1152
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1772
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1188
  • 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:956
  • 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:632

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

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

    MD5

    ca8e9a116348cacae8224d3fe73b4ee6

    SHA1

    3af097d554a07a35b4ea5c1012f458df54ce1689

    SHA256

    5f2016f85c69e48770cc1dc2365f0e15082bf6c8b3dd785b4878f648bface653

    SHA512

    f8b89057b73a6107b7ff53f6b08beb927b05fb3b05c9788aaa3002ff1cbb78bfdc062a444647ec276f4491400d2d08aa5527543175f8551a07f760e138a5f546

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

    MD5

    ca8e9a116348cacae8224d3fe73b4ee6

    SHA1

    3af097d554a07a35b4ea5c1012f458df54ce1689

    SHA256

    5f2016f85c69e48770cc1dc2365f0e15082bf6c8b3dd785b4878f648bface653

    SHA512

    f8b89057b73a6107b7ff53f6b08beb927b05fb3b05c9788aaa3002ff1cbb78bfdc062a444647ec276f4491400d2d08aa5527543175f8551a07f760e138a5f546

  • memory/3088-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB