Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-11-2024 02:34

General

  • Target

    4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe

  • Size

    155KB

  • MD5

    22058cd198d45b4c8389718f506d29b0

  • SHA1

    9b06df1b05085ab008aaed80252c5238ae10149e

  • SHA256

    4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62

  • SHA512

    cd2d4204c92b4989256e96b2d5ad1480eb66eb917af2aeba247011fc45dfc704ab49fbc93aa84ac874a4473d0879f91df47ed1ba78ce8dd87cc58bfe83eb9b40

  • SSDEEP

    3072:Q79l86WqGzIfjZIVPXwu7xXIeout9nr7Xh1aQ4:QrzW/zeZiPpOeoS9/Xh0Q4

Malware Config

Signatures

  • 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
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • 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 3 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe
    "C:\Users\Admin\AppData\Local\Temp\4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.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:2360
    • C:\ProgramData\AhnLab\AhnSvc.exe
      "C:\ProgramData\AhnLab\AhnSvc.exe" /run
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:1956
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del /q "C:\Users\Admin\AppData\Local\Temp\4da05e5a2f279ce84b2fb342338c2a3d3a7f3f724c63d663f6aee2c49aba3e62N.exe" >> NUL
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\AhnLab\AhnSvc.exe

    Filesize

    155KB

    MD5

    269c87b57d563d60bbb03d19f446d040

    SHA1

    05307434a0cd94f2008750414f3715151dccfff3

    SHA256

    9357a8c41f412306d411da725490128b1e4a7e9ca8cb754acf40a33dab63e79c

    SHA512

    7e51b4efd53cd4b5ae5a7c34648ea69c35228baa70f552898a415658a92bafac8dcec1845e7320bc0c820c3432f9f9aae6b4157bfac73b6d0a507f63643ec2c9

  • memory/1956-5-0x0000000000250000-0x000000000027A000-memory.dmp

    Filesize

    168KB

  • memory/1956-9-0x0000000000250000-0x000000000027A000-memory.dmp

    Filesize

    168KB

  • memory/1956-10-0x0000000000250000-0x000000000027A000-memory.dmp

    Filesize

    168KB

  • memory/2360-0-0x0000000000DA0000-0x0000000000DCA000-memory.dmp

    Filesize

    168KB

  • memory/2360-8-0x0000000000DA0000-0x0000000000DCA000-memory.dmp

    Filesize

    168KB