Analysis

  • max time kernel
    148s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    31/07/2026, 05:40

General

  • Target
    2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe
  • Size 376KB
  • Sample260731-gdatjsde98
  • SHA256 e6d1013602b19382bbb2df5c6754dd9b792f794e9739ad41bee28851a5b79f87
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • berbew

C2
  • http://crutop.nu/index.php

  • http://crutop.ru/index.php

  • http://mazafaka.ru/index.php

  • http://color-bank.ru/index.php

  • http://asechka.ru/index.php

  • http://trojan.ru/index.php

  • http://fuck.ru/index.php

  • http://goldensand.ru/index.php

  • http://filesearch.ru/index.php

  • http://devx.nm.ru/index.php

  • http://ros-neftbank.ru/index.php

  • http://lovingod.host.sk/index.php

  • http://www.redline.ru/index.php

  • http://cvv.ru/index.php

  • http://hackers.lv/index.php

  • http://fethard.biz/index.php

  • http://ldark.nm.ru/index.htm

  • http://gaz-prom.ru/index.htm

  • http://promo.ru/index.htm

  • http://potleaf.chat.ru/index.htm

Signatures

  • Family: Berbew

    Berbew is a backdoor written in C++.

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Drops file in System32 directory 3 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies registry class 6 IoCs
  • Suspicious use of WriteProcessMemory 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe
    "C:\Users\Admin\AppData\Local\Temp\2026-07-31_862085a9b82eba46d4e9cd1577938a71_elex_wannacry.exe"
    1⤵
    • Adds autorun key to be loaded by Explorer.exe on startup
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:3608
    • C:\Windows\SysWOW64\Opdpih32.exe
      C:\Windows\system32\Opdpih32.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:5612
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 5612 -s 448
        3⤵
        • Program crash
        PID:3256
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5612 -ip 5612
    1⤵
      PID:2416

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          Opdpih32.exe

          • Path C:\Windows\SysWOW64\Opdpih32.exe
          • Size 376KB
          • SHA256 a7b419e3463ee700e5232a423b6231f01e250e6cdc5dfdda81263fbf7deaf4bf
          • MD5 SHA1 SHA512 SSDEEP TLSH

          memory/3608-0-0x0000000000400000-0x000000000045E000-memory.dmp

          memory/3608-1-0x0000000000431000-0x0000000000432000-memory.dmp

          memory/3608-12-0x0000000000400000-0x000000000045E000-memory.dmp

          memory/5612-7-0x0000000000400000-0x000000000045E000-memory.dmp

          memory/5612-11-0x0000000000400000-0x000000000045E000-memory.dmp