Overview

overview

10

Static

static

3

dc643aa138...aN.exe

windows7-x64

10

dc643aa138...aN.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    120s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-10-2024 14:49

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General

  • Target

    dc643aa138d2cfba9ccd0b1d004fda51bcbbef72c70dc71f00f6b76f5671c57aN.exe

  • Size

    40KB

  • MD5

    b23118cdfb98f6ce2c0d1102f248da40

  • SHA1

    fef26ad1b43809f88475e7bb4d99ff3de2d7476d

  • SHA256

    dc643aa138d2cfba9ccd0b1d004fda51bcbbef72c70dc71f00f6b76f5671c57a

  • SHA512

    3f0581357545c43d0023357d44ec78ba8d617e655f196979d33162fee33e8af5acee302e54c2e8b1f0f1e4ce9387fa50eb517db7447f44b424b92200212fabee

  • SSDEEP

    768:g40HsbN+pF+nPp6PP7+JLdHXGHljCOecAH2CZvc:gFWnPp6X7+JpIXRjAvc

Score
10/10
discoveryevasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • 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 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dc643aa138d2cfba9ccd0b1d004fda51bcbbef72c70dc71f00f6b76f5671c57aN.exe
    "C:\Users\Admin\AppData\Local\Temp\dc643aa138d2cfba9ccd0b1d004fda51bcbbef72c70dc71f00f6b76f5671c57aN.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3624
    • C:\Users\Admin\Admin.exe
      "C:\Users\Admin\Admin.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1964

Network

MITRE ATT&CK Enterprise v15

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Downloads

  • C:\Users\Admin\Admin.exe
    Filesize

    40KB

    MD5

    81d7ad39bede128b7cb1a043384a16b4

    SHA1

    a0c4fe6d83c0b3776ea5de04952d00ee59ed37e2

    SHA256

    b6e633a10c6eb50a5c4f36937de8da9d0a7e47d9704d48c303b08045666ef593

    SHA512

    384b4275c972949949798ab603bc9f732b310a6102aee71f171153502a7e84a8b4dc84b9ba254e15e9806b8e3725f9732082ffb15b98b15e3d194ae4520171b4

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