Analysis

  • max time kernel
    151s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12/02/2022, 06:43

General

  • Target

    0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe

  • Size

    216KB

  • MD5

    dcf24fd64d23e0df45cf690539043a24

  • SHA1

    7e05655270678ec0eba9a13d0fc9edfb1845c04e

  • SHA256

    0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e

  • SHA512

    d2dd9f6e1ac17b525675ec1ab6925cb61e530dc0a5e8aa43d692ffb34156ad7d493035d1a6d728cebabfe59841cfa03cde3b5d7a6d1c127706e5dc93bf18e82e

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula Payload 4 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\0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe
    "C:\Users\Admin\AppData\Local\Temp\0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1600
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2008
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f25d47ec76d4a77f3021476540f22cb661903a133e1b89e66a1e32939cbcf8e.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1704
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3580
  • 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:3068
  • 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:4872

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/1600-132-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2008-136-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/3068-134-0x0000020249080000-0x0000020249090000-memory.dmp

          Filesize

          64KB

        • memory/3068-133-0x0000020249020000-0x0000020249030000-memory.dmp

          Filesize

          64KB

        • memory/3068-135-0x000002024B730000-0x000002024B734000-memory.dmp

          Filesize

          16KB