Analysis

  • max time kernel
    151s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220113
  • submitted
    12-02-2022 08:19

General

  • Target

    0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe

  • Size

    150KB

  • MD5

    cee5a44cb2b1545ba6281903475c01e0

  • SHA1

    7f67ea33c6732d72381ee4253538972aa3bd1abd

  • SHA256

    0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25

  • SHA512

    d8ca4b1047eb3e596e3a73fd9c9ec18e720075ebab8cdf5cf9bd1108bb97ad07a28ebb163775b78a73d5cf71a378950a88fa240f03a3d8ce0edc60a012ada014

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\0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe
    "C:\Users\Admin\AppData\Local\Temp\0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3544
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:3580
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\0b495425534ea0537b902546f9abc5fae4ed19cfa89fbf65095617b53af3de25.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1204
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:1736
  • 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:2020
  • 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:1272

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    MD5

    9f2298e0286c8af597a846233c0bebaa

    SHA1

    9eb8f990aed2c2cef46fbd801704e3435de80c6d

    SHA256

    9f4a921f9f4df7b497e39992b5945792eef212f37ca2285618eeb3ee19ce527f

    SHA512

    eacba40a8414d4086e84ad085bc701a218208609a143108d66bdee102a505d8793307f334b5a2ca25896406dba9f7130a4ed476f2d230be831c0081f5990967f

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

    MD5

    9f2298e0286c8af597a846233c0bebaa

    SHA1

    9eb8f990aed2c2cef46fbd801704e3435de80c6d

    SHA256

    9f4a921f9f4df7b497e39992b5945792eef212f37ca2285618eeb3ee19ce527f

    SHA512

    eacba40a8414d4086e84ad085bc701a218208609a143108d66bdee102a505d8793307f334b5a2ca25896406dba9f7130a4ed476f2d230be831c0081f5990967f

  • memory/2020-135-0x000002F38C520000-0x000002F38C530000-memory.dmp

    Filesize

    64KB

  • memory/2020-136-0x000002F38C580000-0x000002F38C590000-memory.dmp

    Filesize

    64KB

  • memory/2020-137-0x000002F38EC40000-0x000002F38EC44000-memory.dmp

    Filesize

    16KB