Overview

overview

7

Static

static

3

client.exe

windows10-ltsc_2021-x64

7

client.exe

windows10-2004-x64

7

client.exe

windows11-21h2-x64

7

Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    19/05/2026, 11:48

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General

  • Target
    client.exe
  • Size 1.5MB
  • Sample260519-nyefssa14x
  • SHA256 f4c12b145b29080af85a99957f5b9c75a06f32a438538fe6c6b4bec262280d9c
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscoverypersistencespywarestealer

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

    discovery
  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\client.exe
    "C:\Users\Admin\AppData\Local\Temp\client.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4928
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\destroy.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2216
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 2 /nobreak
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:5880
  • C:\Users\Admin\AppData\Local\Temp\client.exe
    C:\Users\Admin\AppData\Local\Temp\client.exe
    1⤵
      PID:3880

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads

          destroy.bat
          • Path C:\Users\Admin\AppData\Local\Temp\destroy.bat
          • Size 231B
          • SHA256 583d08a0f3268ffe9eaa3033cfc21b5b3b25bf9218b5c44ddccdfaae60dda55e
          • MD5 SHA1 SHA512 TLSH
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