Analysis

  • max time kernel
    149s
  • max time network
    132s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    20/04/2026, 08:11

General

  • Target
    2026-04-20_587a82c1f6eb8689112f0fc95e9d2a9d_agent-tesla_amadey_cobalt-strike_darkgate_fabookie_glass.exe
  • Size 19.9MB
  • Sample260420-j28rlagy21
  • SHA256 adb17f49d1b318b03df84a1b1cadc64ab978bd893e783e6061cc1b58d2bfb703
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Reads user/profile data of web browsers 3 TTPs

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

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • 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
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-20_587a82c1f6eb8689112f0fc95e9d2a9d_agent-tesla_amadey_cobalt-strike_darkgate_fabookie_glass.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-20_587a82c1f6eb8689112f0fc95e9d2a9d_agent-tesla_amadey_cobalt-strike_darkgate_fabookie_glass.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1364
    • C:\Windows\System32\notepad.exe
      "C:\Windows\System32\notepad.exe" C:\Users\Admin\AppData\Local\Temp\WELFFFB.tmp
      2⤵
      • Opens file in notepad (likely ransom note)
      PID:3244

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 20.3MB
        • SHA256 016c761b5c84a64da2c8e766314a53e1b88039d926a31c985762033f08a13f9b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        WELFFFB.tmp

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

        memory/3244-43-0x000002237D260000-0x000002237D37E000-memory.dmp