Analysis

  • max time kernel
    149s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-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:4752
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 544
      2⤵
      • Program crash
      PID:1576
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4752 -ip 4752
    1⤵
      PID:4556

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/4752-0-0x0000000000400000-0x000000000047E000-memory.dmp

          memory/4752-1-0x0000000000BC0000-0x0000000000BD5000-memory.dmp

          memory/4752-2-0x0000000000BC0000-0x0000000000BD5000-memory.dmp

          memory/4752-3-0x0000000000BC0000-0x0000000000BD5000-memory.dmp

          memory/4752-5-0x0000000000BC0000-0x0000000000BD5000-memory.dmp

          memory/4752-7-0x0000000002310000-0x0000000002311000-memory.dmp

          memory/4752-22-0x0000000000BC0000-0x0000000000BD5000-memory.dmp

          memory/4752-26-0x0000000000400000-0x000000000047E000-memory.dmp