Overview

overview

10

Static

static

3

4d31f8d384...0N.exe

windows7-x64

10

4d31f8d384...0N.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    119s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/09/2024, 22:20

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General

  • Target

    4d31f8d38425830a10bc442254d632f0N.exe

  • Size

    40KB

  • MD5

    4d31f8d38425830a10bc442254d632f0

  • SHA1

    69af75c5e56fa9f140b1879c73743d7cb1ac65fa

  • SHA256

    78bc7c32c2bb5c14e897d9eacda509ddebe9b999f801a2784bdf8adc1b5e3dbd

  • SHA512

    ba44a425f944bd4b6b531b614e513ba25568eab144f791d3d28c060ce4c4f692a4a62b4ab7f7a78bae97e848548ca2114e18def20810c8838003443774458407

  • SSDEEP

    768:/I0HsbtxJImBU6PP7+JLdHXGHljCOecAH2CZvc:/6fBU6X7+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\4d31f8d38425830a10bc442254d632f0N.exe
    "C:\Users\Admin\AppData\Local\Temp\4d31f8d38425830a10bc442254d632f0N.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:3400
    • 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:4568

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    40KB

    MD5

    3a7035fa401efd05f7743eed53c4dcb0

    SHA1

    dc7332007cda6a2d9aa492934900cb402a649704

    SHA256

    29a446161b6de54c8923b90da3ef54268a9b8bf66a558c9537a80db700825a9a

    SHA512

    816e1de0f2f117c8fe92618c246a56cd04afc2e3b467060bb5b00c512b3e0c4ee87bee62a0145808dbd774eaafa85e7941a5f5f17b2c965f71807e3252ba7bfc

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