Analysis

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

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    22/04/2026, 03:46

General

  • Target
    2026-04-22_14cc28ce865264d4287db190fd9c8cf7_bkransomware_elex_hawkeye_maze_remcos.exe
  • Size 474KB
  • Sample260422-eby29agv8n
  • SHA256 7ec71e2794fc6a2527e7f21ee76c06976301fc0276ec316bb942c3f893bf6d97
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
9/10

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 5 IoCs
  • Drops autorun.inf file 1 TTPs 4 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • UPX packed file 5 IoCs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-04-22_14cc28ce865264d4287db190fd9c8cf7_bkransomware_elex_hawkeye_maze_remcos.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-04-22_14cc28ce865264d4287db190fd9c8cf7_bkransomware_elex_hawkeye_maze_remcos.exe"
    1⤵
    • Drops autorun.inf file
    • System Location Discovery: System Language Discovery
    PID:2644
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2644 -s 572
      2⤵
      • Program crash
      PID:3964
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2644 -ip 2644
    1⤵
      PID:1344

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/2644-0-0x0000000000400000-0x000000000047E000-memory.dmp

          memory/2644-1-0x0000000000CD0000-0x0000000000CE5000-memory.dmp

          memory/2644-2-0x0000000000CD0000-0x0000000000CE5000-memory.dmp

          memory/2644-3-0x0000000000CD0000-0x0000000000CE5000-memory.dmp

          memory/2644-5-0x0000000000CD0000-0x0000000000CE5000-memory.dmp

          memory/2644-7-0x0000000000D00000-0x0000000000D01000-memory.dmp

          memory/2644-22-0x0000000000CD0000-0x0000000000CE5000-memory.dmp

          memory/2644-26-0x0000000000400000-0x000000000047E000-memory.dmp