Overview

overview

8

Static

static

3

e53bdc9eed...67.exe

windows7-x64

8

e53bdc9eed...67.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    141s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/11/2024, 03:40

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General

  • Target
    e53bdc9eed991455f44022720ed122734677fa3032974c234c38777e82fa3267.exe
  • Size 70KB
  • Sample241113-d8js6awdkj
  • SHA256 e53bdc9eed991455f44022720ed122734677fa3032974c234c38777e82fa3267
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
defense_evasiondiscoveryevasion

Malware Config

Signatures

  • Sets file to hidden 1 TTPs 1 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

    evasion
  • 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.

    defense_evasion
  • 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.

    discovery
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\e53bdc9eed991455f44022720ed122734677fa3032974c234c38777e82fa3267.exe
    "C:\Users\Admin\AppData\Local\Temp\e53bdc9eed991455f44022720ed122734677fa3032974c234c38777e82fa3267.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:2444
    • C:\Windows\SysWOW64\attrib.exe
      attrib +a +s +h +r C:\Windows\Debug\guehost.exe
      2⤵
      • Sets file to hidden
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Views/modifies file attributes
      PID:3312
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\E53BDC~1.EXE > nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:4160
  • C:\Windows\Debug\guehost.exe
    C:\Windows\Debug\guehost.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    PID:2936

Network

        MITRE ATT&CK Enterprise v15

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        Downloads

        guehost.exe
        • Path C:\Windows\debug\guehost.exe
        • Size 70KB
        • SHA256 f4bb62e5f0fd7054721daa56c796e99094d617ffc6f73b9c89f50c2b84e0767b
        • MD5 SHA1 SHA512 SSDEEP
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