Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

Analysis

  • max time kernel
    111s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/09/2024, 09:10

General

  • Target

    5c75e51ab6ae8e25a0486c7075de79f0N.exe

  • Size

    75KB

  • MD5

    5c75e51ab6ae8e25a0486c7075de79f0

  • SHA1

    dc1625bdd22e050344b86e8931f4665ae3d5ec6f

  • SHA256

    199d082704d404044333ff2e9e86ce545827ebe866f92a8225f787da3436805b

  • SHA512

    1dc7600d6935e00197c89930f44231e67f20119f90e7b448115ad252c75a0ea96282318a666852cb4e3b13db00f532dde9b1d915bea07ca0103501ee817faa03

  • SSDEEP

    768:OrItKyw5WHXfQmjIiIk9ecAakMb96ZyXuDLdibfffsffff2ZZZZnAAAr:Or3Z5IfQmv81abyyXcZibfffsffffT

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

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

  • Drops file in Windows directory 3 IoCs
  • 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.

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c75e51ab6ae8e25a0486c7075de79f0N.exe
    "C:\Users\Admin\AppData\Local\Temp\5c75e51ab6ae8e25a0486c7075de79f0N.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4076
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\hauhost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:224
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\5C75E5~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4436
  • C:\Windows\Debug\hauhost.exe
    C:\Windows\Debug\hauhost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    PID:336

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\debug\hauhost.exe

    Filesize

    75KB

    MD5

    7454c1ae5dd7a7ca30ee235ed37865fb

    SHA1

    7c5fb1922c96e0b4585168b2b206b66358ead1f1

    SHA256

    9d3f093909498e16ac9066312231e1345213d738d4f67d2f291504b010941d4b

    SHA512

    84d0b34f10221ee4acc698101645b2bce7e669271cd752ab796d9752c0be7b07035308d2b3e780e6b52a5bad1fc6bfba27503b8d378a6039fe0f552fc24355d6