Analysis

  • max time kernel
    140s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 15:27

General

  • Target

    cae80def5320d2025543a59655339730_NEAS.exe

  • Size

    43KB

  • MD5

    cae80def5320d2025543a59655339730

  • SHA1

    859f745e7fe2dc3096ee8e5a1e33537a6da83d0d

  • SHA256

    bfbc960adefcc4978bbc1ebcc92c124ff5720faa6fc5c85b9fc2ad91e708b5e4

  • SHA512

    82ab455277862f7e9a8b5ac2683586e5332a19c99518317e370ccca1154c2c54a83507fa94662dee0f7521b3dc7cd11af60b8be249907265c4aebd2b0d5cf46c

  • SSDEEP

    768:FUiX34HOc2Lsh7mfUolW/xtNEM5iZhcOL0tTChQEgHDR7:VYE4Z4lsjNbtNEq7

Malware Config

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula payload 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cae80def5320d2025543a59655339730_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\cae80def5320d2025543a59655339730_NEAS.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:428
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      PID:4852
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\cae80def5320d2025543a59655339730_NEAS.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1412
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    43KB

    MD5

    ca750f6130a37b9aa09af736c4213623

    SHA1

    62bc80541d6fa9c6ff03e07bd51ef1fc6103630a

    SHA256

    e3ba3ee55b56430964c909bebfe87535e8909ca78581c24cbf7ba0bd11235fc2

    SHA512

    df5beea3a81df813b23310c7165dfb9009890f46d827ba515ea36104fc2256e17ea5498685878f833ddbd5f562cefb2be657e50d0252437b83ac529cdfa17f43

  • memory/428-3-0x0000000000270000-0x000000000028B000-memory.dmp

    Filesize

    108KB

  • memory/428-13-0x0000000000270000-0x000000000028B000-memory.dmp

    Filesize

    108KB

  • memory/4852-4-0x00000000002D0000-0x00000000002EB000-memory.dmp

    Filesize

    108KB

  • memory/4852-7-0x00000000002D0000-0x00000000002EB000-memory.dmp

    Filesize

    108KB

  • memory/4852-18-0x00000000002D0000-0x00000000002EB000-memory.dmp

    Filesize

    108KB