Analysis

  • max time kernel
    137s
  • max time network
    171s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12-02-2022 12:21

General

  • Target

    01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe

  • Size

    58KB

  • MD5

    5c255dcbcaa33705dfb8101c16997b40

  • SHA1

    2aeb1c46a12a39dea4e1df6577b3be879c715f1f

  • SHA256

    01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d

  • SHA512

    4eaa6d5004a7b079d05ce3421d3425635d0cc3a3a21aceba8dde61d85a3e77e8f2377f2a4fac5d185946a94b84f44b0c4203f2a96e9466dfce17385fdc14bc4a

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • 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\01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe
    "C:\Users\Admin\AppData\Local\Temp\01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3268
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:5068
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\01cf6fbeeebc9df340bff6e41b69062567eb901a907ab9fe8e7560e82e4e871d.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2252
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3984
  • 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:224
  • 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:2028

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • memory/224-132-0x000001F394560000-0x000001F394570000-memory.dmp

    Filesize

    64KB

  • memory/224-133-0x000001F394B20000-0x000001F394B30000-memory.dmp

    Filesize

    64KB

  • memory/224-134-0x000001F3971E0000-0x000001F3971E4000-memory.dmp

    Filesize

    16KB