Analysis

  • max time kernel
    164s
  • max time network
    179s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    12-02-2022 07:06

General

  • Target

    0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe

  • Size

    160KB

  • MD5

    d92cec32d6557fcd3de1e8285d013929

  • SHA1

    badff671a562c966334fbafa80492bb434ba18e1

  • SHA256

    0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54

  • SHA512

    b678851ab8db150bd9bb10ae6e78547cfb90ee5467d20465de6fe9eac38b50a957b16c11a240ef0914b737b5ef193d5a232215d2a94b25334fdcec4f2e75d7cd

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 4 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\0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe
    "C:\Users\Admin\AppData\Local\Temp\0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3488
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2964
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0e8dc88cf542921a918e5b682bd8f58b3f13d235c1bfa6652c20bc117e231c54.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:220
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1888
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1620
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:1928
  • 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:2152
  • 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:1344

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    d699193453fc6061dfe0d356867d9dd6

    SHA1

    f46f65850b4cf28b5d388eb603bfa6c635c552dd

    SHA256

    17ce619306a1a8276f378c1b26f5e1bd4edbb8d40b8594e791640bef05e81e95

    SHA512

    5be7d2e84daaa82d74c43d4214ef3b70e1a7870223b44d986acf0d6023aeb6918e3da340201b987fc2af37655db22c60f4d4353f2cbfb46908551e2062a1f6c9

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

    MD5

    d699193453fc6061dfe0d356867d9dd6

    SHA1

    f46f65850b4cf28b5d388eb603bfa6c635c552dd

    SHA256

    17ce619306a1a8276f378c1b26f5e1bd4edbb8d40b8594e791640bef05e81e95

    SHA512

    5be7d2e84daaa82d74c43d4214ef3b70e1a7870223b44d986acf0d6023aeb6918e3da340201b987fc2af37655db22c60f4d4353f2cbfb46908551e2062a1f6c9

  • memory/3488-132-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB