Analysis

  • max time kernel
    110s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16-01-2025 05:46

General

  • Target

    8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe

  • Size

    41KB

  • MD5

    680d53d3d912fd9912d1cccf8d4c51c0

  • SHA1

    1dd7ff3eb9d538206a36928a6d17f8bbeabb70a0

  • SHA256

    8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189

  • SHA512

    d9acac1db90409995383994fe44346949aeb60ce09147401c7aa42d8e246cc744247dfe43ebb6e6008242247197f78bf8c20eabf43df3dd5f1663a3b07554459

  • SSDEEP

    768:9zpVJi5kPTIukEYpcHOZ6rFSBZxkXNVkSXtfgn3JkcBwQoabJF7nbcuyD7Ur:N/JKiMLE9bOq5fgn6Ozoaz7nouy8r

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

Signatures

  • Sakula

    Sakula is a remote access trojan with various capabilities.

  • Sakula family
  • Sakula payload 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 6 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • 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\8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe
    "C:\Users\Admin\AppData\Local\Temp\8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3260
    • C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2572
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\8405d21e1c93425521cfb286c44936ab8351dcc1e726b7792398323aa0448189N.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:1592
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:1700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    33ed85162fa339b685beeb11be28432a

    SHA1

    a55736b5bef4ae8c0e8eca86e1c369dc0603f746

    SHA256

    ba23064a8fcbc3c5ad0270534c605ef845191a715706859309a5d85d055fde0d

    SHA512

    811063d9171700cffe5f2de5a09b859fdf1919cef2cca0f5374adbfd94ed0e9a91e34d84a0d6e8833e8293b49b4986150e94e4ac1971912f0944bc8969ee126c

  • memory/2572-4-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2572-12-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3260-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3260-10-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3260-17-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB