Analysis

  • max time kernel
    140s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    30-01-2022 20:42

General

  • Target

    de8f6ef7026669e4e31bce66b7477a16e9e3d804d3618a5716e0bac2472b2a70.exe

  • Size

    89KB

  • MD5

    3859b0ea4596d8f47677497d09bcc894

  • SHA1

    e71caf1ac227478f4a95dc89170ca0f0dd755c72

  • SHA256

    de8f6ef7026669e4e31bce66b7477a16e9e3d804d3618a5716e0bac2472b2a70

  • SHA512

    e175e12a6b01ae3ae04840bfd9b80211aadd0c2ff1100bc3aa6ed1ac1a71544873a54f258139645b272758cc89a4cb04733e2aed16fd2d6e77615533891cfb04

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\de8f6ef7026669e4e31bce66b7477a16e9e3d804d3618a5716e0bac2472b2a70.exe
    "C:\Users\Admin\AppData\Local\Temp\de8f6ef7026669e4e31bce66b7477a16e9e3d804d3618a5716e0bac2472b2a70.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:600
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3032
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\de8f6ef7026669e4e31bce66b7477a16e9e3d804d3618a5716e0bac2472b2a70.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:372
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1704

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    29b5b55962aef809977b8d8fc137fffb

    SHA1

    4541462e69a10b5fdf0681d77e1113c268061ae5

    SHA256

    0991d503a89769f598fc8cde90ca27985d2df60ed4d54fd24a84d50dbeebd02d

    SHA512

    1f71d3f74f840f3127533ef501a52b18a364d93efd4c26003bfdf198cec0e7dc233701c862b7c560005ab0a9db27b06e86abc71ff2eec165a30024999193d15c

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

    MD5

    29b5b55962aef809977b8d8fc137fffb

    SHA1

    4541462e69a10b5fdf0681d77e1113c268061ae5

    SHA256

    0991d503a89769f598fc8cde90ca27985d2df60ed4d54fd24a84d50dbeebd02d

    SHA512

    1f71d3f74f840f3127533ef501a52b18a364d93efd4c26003bfdf198cec0e7dc233701c862b7c560005ab0a9db27b06e86abc71ff2eec165a30024999193d15c