Overview

overview

7

Static

static

7

228436fe39...d7.exe

windows7-x64

7

228436fe39...d7.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/12/2023, 12:29

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General

  • Target
    228436fe39b933e21f9656d6c3f833d7.exe
  • Size 558KB
  • Sample231219-pn52facafk
  • SHA256 4730270d44a2c1812b4a3f4c06d977cf27f325044f8c339fdaf04a5999aa4713
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10
persistenceupx

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\228436fe39b933e21f9656d6c3f833d7.exe
    "C:\Users\Admin\AppData\Local\Temp\228436fe39b933e21f9656d6c3f833d7.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1120
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs"
      2⤵
        PID:4260

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          Config.ini
          • Path C:\Users\Admin\AppData\Roaming\Microsoft\Config.ini
          • Size 92B
          • SHA256 f92f08df2b65e2f5b5db141c99b098c8b077c0c853a1fd51bfcc6d40dc68ad77
          • MD5 SHA1 SHA512
          Submit Download

          VBS3.vbs
          • Path C:\Users\Admin\AppData\Roaming\Microsoft\VBS3.vbs
          • Size 721B
          • SHA256 309245f67495332d1955e166ebb16d33d421c91ab8c250e1fa8e4ee159249617
          • MD5 SHA1 SHA512
          Submit Download

          svchcst.exe
          • Path C:\Users\Admin\AppData\Roaming\Microsoft\svchcst.exe
          • Size 558KB
          • SHA256 c53f58fea1e8f5c5da519d4925a859ce94d08eb37dc0f57281ecbb7b0eafd201
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/1120-0-0x0000000000400000-0x0000000000551000-memory.dmp
          Download

          memory/1120-15-0x0000000000400000-0x0000000000551000-memory.dmp
          Download