Analysis

  • max time kernel
    161s
  • max time network
    170s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12/02/2022, 06:39

General

  • Target

    0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe

  • Size

    101KB

  • MD5

    ff9641541516d4a9967cc3ab3ee42645

  • SHA1

    be27868c462630a5c8e000dffe49bff8a3c659e4

  • SHA256

    0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7

  • SHA512

    cf4541029a619cd71fcab55bbb54b0289c8e00f2485ac9e1adbffde2071b6861ee158666f660ff01a73edd8abe0636289c5febb710ff6d26d16d56d37ce36a54

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 2 IoCs
  • 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\0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe
    "C:\Users\Admin\AppData\Local\Temp\0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4548
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2764
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f59b967edc7239c3d8869d516b06b25349f8d24a2a57f016094c9322194e0c7.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2144
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:2112
  • 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:3344
  • 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:4424

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • memory/3344-132-0x0000018F37F30000-0x0000018F37F40000-memory.dmp

          Filesize

          64KB

        • memory/3344-133-0x0000018F37F90000-0x0000018F37FA0000-memory.dmp

          Filesize

          64KB

        • memory/3344-134-0x0000018F3AC80000-0x0000018F3AC84000-memory.dmp

          Filesize

          16KB