Overview

overview

10

Static

static

10

2026-04-25...wk.exe

windows10-2004-x64

9

2026-04-25...wk.exe

windows11-21h2-x64

9

Analysis

  • max time kernel
    149s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    25/04/2026, 01:18

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General

  • Target
    2026-04-25_383c9e5cf2dfabd63fd0ce42cb0e2c44_agent-tesla_amadey_cobalt-strike_darkgate_glassworm_hawk.exe
  • Size 28.2MB
  • Sample260425-bpcjmaax8x
  • SHA256 5b05981e76cd50e5a08644cc0af59922d7231d6b681ffa6e68f5ef073bf29800
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10
ransomwarespywarestealer

Malware Config

Signatures

  • Custom signature
    Detects executables embedding registry key / value combination indicative of disabling Windows Defen 1 IoCs
  • Custom signature
    Detects executables packed with Dotfuscator 1 IoCs
  • Custom signature
    Detects executables packed with SmartAssembly 1 IoCs
  • Custom signature
    Detects executables packed with Yano Obfuscator 1 IoCs
  • 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
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in Program Files directory 1 IoCs
  • Drops file in Windows directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Opens file in notepad (likely ransom note) 1 IoCs
    ransomware
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-25_383c9e5cf2dfabd63fd0ce42cb0e2c44_agent-tesla_amadey_cobalt-strike_darkgate_glassworm_hawk.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-25_383c9e5cf2dfabd63fd0ce42cb0e2c44_agent-tesla_amadey_cobalt-strike_darkgate_glassworm_hawk.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:4508
    • C:\Windows\System32\notepad.exe
      "C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WEL2239.tmp
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:4456

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        vcredist_x86.exe
        • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
        • Size 28.7MB
        • SHA256 2cdb17b4b4d6d1d78af8026e7237497c62141c15ed50d67c87bed7f96b3dcd72
        • MD5 SHA1 SHA512 SSDEEP TLSH
        Submit Download

        WEL2239.tmp
        • Path C:\Users\Admin\AppData\Local\Temp\WEL2239.tmp
        • Size 52B
        • SHA256 be0909be27235c36586ceb9b7e37d8d74c423d9460c4dbf0e2417fcf58b96caa
        • MD5 SHA1 SHA512 TLSH
        Submit Download