Analysis

  • max time kernel
    168s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:59

General

  • Target

    0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe

  • Size

    216KB

  • MD5

    2f691aee0c25a23611357a4578e2e027

  • SHA1

    79b20f0aedeb1615d6baabfd72c7dbdb981066e3

  • SHA256

    0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2

  • SHA512

    6e9304df8846ae0d25286ffe661fa9e715ce31194566a90981883df0a02e0e367659accdf5c6d14790114e3a326594711f4bf5c1e8a0e470393d7d568ad45460

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 49 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\0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe
    "C:\Users\Admin\AppData\Local\Temp\0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3960
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2800
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0c01ef280fa8e0ac73df02b7697afacd4a8aa75d9b946d0c4d415b10d36c18c2.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1468
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2760
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:4012
  • 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:2688
  • 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:388

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    51e9c3011581c0da529dfbdeb9837ad8

    SHA1

    9c4e98f83ddfe0e0162dfa87a29b1ab535bec71a

    SHA256

    c523730e07549615788bddc4f4507dedf2038b6512735b6a76f8cd61c3e0949a

    SHA512

    1b8beef99f939d00b6c000557abe1d10e3fc06e8c549d4caf9caf3fdacb27ca9c512b8d497ec7063a15c26c8afe66c13b1953eb3db7603596a30e89ae498206b

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

    MD5

    51e9c3011581c0da529dfbdeb9837ad8

    SHA1

    9c4e98f83ddfe0e0162dfa87a29b1ab535bec71a

    SHA256

    c523730e07549615788bddc4f4507dedf2038b6512735b6a76f8cd61c3e0949a

    SHA512

    1b8beef99f939d00b6c000557abe1d10e3fc06e8c549d4caf9caf3fdacb27ca9c512b8d497ec7063a15c26c8afe66c13b1953eb3db7603596a30e89ae498206b

  • memory/3960-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB