Analysis

  • max time kernel
    152s
  • max time network
    169s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12/02/2022, 06:39

General

  • Target

    0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe

  • Size

    170KB

  • MD5

    bfef77600166f1ce95448e8f1fd4017a

  • SHA1

    af452885b4d7b37b7c721df4a40bc775e4493b91

  • SHA256

    0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f

  • SHA512

    4418ca4fe88165a20b8435a6bbb3cbd6668b510ab663e9a3f135f617271d1bf3c0714ce919f82db4804a54a444820e817bf70c5a2cf840aa6aaa99cd9eb48839

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\0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe
    "C:\Users\Admin\AppData\Local\Temp\0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2088
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:2056
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0f5b8d4712b6b0b99ce0b007b0f6dc28af237e53985cf313b63657cf3842dd1f.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1980
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:116
  • 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:3852
  • 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:3948

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2056-136-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/2088-132-0x0000000000400000-0x0000000000420000-memory.dmp

          Filesize

          128KB

        • memory/3852-133-0x000001B31B930000-0x000001B31B940000-memory.dmp

          Filesize

          64KB

        • memory/3852-134-0x000001B31B990000-0x000001B31B9A0000-memory.dmp

          Filesize

          64KB

        • memory/3852-135-0x000001B31E6B0000-0x000001B31E6B4000-memory.dmp

          Filesize

          16KB