Analysis

  • max time kernel
    137s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12-02-2022 12:20

General

  • Target

    01d187ee2ff476f6012d1d2282b1add255ee925816f1c8aa45e3fd5d4b937804.exe

  • Size

    150KB

  • MD5

    d01cddec757b037d8709b5a489b1f070

  • SHA1

    f9ff9e4caaaf05f9dc4c8eb9bc2082e717a4dce3

  • SHA256

    01d187ee2ff476f6012d1d2282b1add255ee925816f1c8aa45e3fd5d4b937804

  • SHA512

    52c6b4110833ccbc300cec69fd2d26e17583e3fefee68816998b6a30dd0643c71b7b24a774a42d2e4e991aaae7f5fc0f91511648aa7538d46e37dcaa40dde232

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
  • 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 8 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 64 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\01d187ee2ff476f6012d1d2282b1add255ee925816f1c8aa45e3fd5d4b937804.exe
    "C:\Users\Admin\AppData\Local\Temp\01d187ee2ff476f6012d1d2282b1add255ee925816f1c8aa45e3fd5d4b937804.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1940
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2700
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\01d187ee2ff476f6012d1d2282b1add255ee925816f1c8aa45e3fd5d4b937804.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2884
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3596
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:2484
  • 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:3372

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2484-132-0x0000029AA8820000-0x0000029AA8830000-memory.dmp

    Filesize

    64KB

  • memory/2484-133-0x0000029AA8880000-0x0000029AA8890000-memory.dmp

    Filesize

    64KB

  • memory/2484-134-0x0000029AAAF30000-0x0000029AAAF34000-memory.dmp

    Filesize

    16KB