Analysis

  • max time kernel
    140s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-10-2024 20:02

General

  • Target

    35306d32cf510c233ddbd3ffd6b0613b4d3d47cadf7e17c948038e6d7f041243.exe

  • Size

    41KB

  • MD5

    f2efcb0022bfaf9c509bc6160f08bb63

  • SHA1

    75c016abb78026bd3841d2f5e71da5a879665b4e

  • SHA256

    35306d32cf510c233ddbd3ffd6b0613b4d3d47cadf7e17c948038e6d7f041243

  • SHA512

    8ccd327bd0403ff175fa1cc82c21cbc1522ff383400d34c20c804319f9fb2e06ef05ecad54d3a7381a07791036af1e5b3609503c014d2dedfebf320c14900a7a

  • SSDEEP

    768:9zpVJi5kPTIukEYpcHOZ6rFSBZxkXNVkSXtfgn3JkcBwQoabJF7nbcuyD7UX:N/JKiMLE9bOq5fgn6Ozoaz7nouy8X

Malware Config

Extracted

Family

sakula

C2

www.polarroute.com

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
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 7 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\35306d32cf510c233ddbd3ffd6b0613b4d3d47cadf7e17c948038e6d7f041243.exe
    "C:\Users\Admin\AppData\Local\Temp\35306d32cf510c233ddbd3ffd6b0613b4d3d47cadf7e17c948038e6d7f041243.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:628
    • 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:3120
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\35306d32cf510c233ddbd3ffd6b0613b4d3d47cadf7e17c948038e6d7f041243.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4480
      • 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:1212

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    41KB

    MD5

    fc25697603f8e5bf6877169324260b8a

    SHA1

    bcab6db9eef71b314105e8880ea7e1a81f92a47c

    SHA256

    79446abbd70ff38f12f30e597acb09e50833763cb26bd8f3204e7f6d8c5f58b4

    SHA512

    4499fdb79be640e5d776a48abee1a5c38ddc2899dcb90614f1223ae597aa235f07d11443471880233eba1cc98e0f0bb4b5a95c9aa3da79d43df4b412109c9642

  • memory/628-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/628-6-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/628-14-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3120-4-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3120-8-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3120-19-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB