Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-01-2025 03:21

General

  • Target

    921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe

  • Size

    41KB

  • MD5

    b1b42556c441f64276725c25bf916831

  • SHA1

    b69747a088db3a41e7d891aaae746306d35e387a

  • SHA256

    921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340

  • SHA512

    7a6e8164f2c20342154eeabe46dd012b649983dec38d2f3c647bfa1b728ea2ecad9d06ff0cdecd3c27e829f636a6f773789336db2e25f00f98d685ff21f62df4

  • SSDEEP

    768:9zpVJi5kPTIukEYpcHOZ6rFSBZxkXNVkSXtfgn3JkcBwQoabJF7nbcuyD7UV:N/JKiMLE9bOq5fgn6Ozoaz7nouy8V

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\921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe
    "C:\Users\Admin\AppData\Local\Temp\921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.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:3824
    • 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:2208
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\921144b30af479c4e37facec34be76e77c707bc6b2787d2e091f843d7354b340.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:4188
      • 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:4532

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

    9dbc68785f2edb1056d7770bc09fe3bf

    SHA1

    5d58554921390dda1bb3ab4a35e7cada1d598310

    SHA256

    606df71af45c96325c0f9a7bdd8b35a8cb3d2a55f7fd8980043c2dd23e288042

    SHA512

    f1dcc42a175f5c0f1d4497095c7b22ccebb9c43093a3ec233db5ab8f168508c68dcd254cb6bf65d476fbb2790c6cbe4be0bde0ae9000351d6b1ce98b02726787

  • memory/2208-4-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/2208-12-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3824-0-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3824-10-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB

  • memory/3824-17-0x0000000000400000-0x000000000041E000-memory.dmp

    Filesize

    120KB