Analysis

  • max time kernel
    153s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:00

General

  • Target

    0ee228725e86209e46fbe6a6c2a81d0b8ab9f27124b805611418b0fa9d480ed2.exe

  • Size

    92KB

  • MD5

    6c7a2e30d1f5c626009aa06d60b9e4d7

  • SHA1

    fea71e42fa34ccfada3d915a43c63bc2e4e7d73d

  • SHA256

    0ee228725e86209e46fbe6a6c2a81d0b8ab9f27124b805611418b0fa9d480ed2

  • SHA512

    5fa71396e4d0e3da802c1ec3e5220dd5a7015889bc45f0c026cc853020f8ee1ec2f6c1590d354b0f7038da732a73a22f4ebcd5af06cdd1dcb4d951b875703f5a

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 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 56 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\0ee228725e86209e46fbe6a6c2a81d0b8ab9f27124b805611418b0fa9d480ed2.exe
    "C:\Users\Admin\AppData\Local\Temp\0ee228725e86209e46fbe6a6c2a81d0b8ab9f27124b805611418b0fa9d480ed2.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4088
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2664
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0ee228725e86209e46fbe6a6c2a81d0b8ab9f27124b805611418b0fa9d480ed2.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1784
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3500
  • 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:1440
  • 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:3908
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2824

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    705f2ad5c90712a76a84c942bedcce63

    SHA1

    c50baab10e591535ce35fbd78b4f7ea944a183a7

    SHA256

    d867980f0b4f986c8919611004cae554f04636ac8dd64ffdfbec4c286868bab0

    SHA512

    7923b13f1385a4723cb76c0fedc25073c9195c29163441174566b1fdb768875acba4e47b0e6a9b6ce1aaad93458200b89906d3960e92f65216fed793bc392dfa

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

    MD5

    705f2ad5c90712a76a84c942bedcce63

    SHA1

    c50baab10e591535ce35fbd78b4f7ea944a183a7

    SHA256

    d867980f0b4f986c8919611004cae554f04636ac8dd64ffdfbec4c286868bab0

    SHA512

    7923b13f1385a4723cb76c0fedc25073c9195c29163441174566b1fdb768875acba4e47b0e6a9b6ce1aaad93458200b89906d3960e92f65216fed793bc392dfa