Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    09/12/2024, 13:14

General

  • Target

    e93ea4a40607547ea4f40038e2681b16a45623760480ac2fc95c2f53b2a310e3N.exe

  • Size

    860KB

  • MD5

    dd951023c6f0631cf1c5513483cab630

  • SHA1

    25c0a00409c01360e361c0657d4d4a1984fcb163

  • SHA256

    e93ea4a40607547ea4f40038e2681b16a45623760480ac2fc95c2f53b2a310e3

  • SHA512

    407dd8969d2e8fe706b1964dfca57675f86ec4e61722706c9582859a3900b5f1a1481d1c582eeb3bde388a5195f27082dd01392b54b13390eed382b17d6aa6f8

  • SSDEEP

    24576:gny5hPuh2kkkkK4kXkkkkkkkkhLX3a20R0v50+YS:gnRbazR0vD

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

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 6 IoCs
  • Berbew

    Berbew is a backdoor written in C++.

  • Berbew family
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 10 IoCs
  • Drops file in System32 directory 9 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

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

  • Modifies registry class 12 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e93ea4a40607547ea4f40038e2681b16a45623760480ac2fc95c2f53b2a310e3N.exe
    "C:\Users\Admin\AppData\Local\Temp\e93ea4a40607547ea4f40038e2681b16a45623760480ac2fc95c2f53b2a310e3N.exe"
    1⤵
    • Adds autorun key to be loaded by Explorer.exe on startup
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Windows\SysWOW64\Khldkllj.exe
      C:\Windows\system32\Khldkllj.exe
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2792
      • C:\Windows\SysWOW64\Kmimcbja.exe
        C:\Windows\system32\Kmimcbja.exe
        3⤵
        • Adds autorun key to be loaded by Explorer.exe on startup
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:2780
        • C:\Windows\SysWOW64\Lbjofi32.exe
          C:\Windows\system32\Lbjofi32.exe
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2916
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2916 -s 140
            5⤵
            • Loads dropped DLL
            • Program crash
            PID:2820

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Khldkllj.exe

    Filesize

    860KB

    MD5

    3eb7c94cfa8517a21d3d2b3d16a95bea

    SHA1

    19327f3fcf54b856619fe166a9ba02b5d8442df5

    SHA256

    b5dffecc4e0e194b73378c4b9a1cc872e0a3243e6e54e7e236cd40816254411f

    SHA512

    1c7cceb6c56092c15965be5a3cada96efc3c1a97b40f66eb882390f840be6daa7e3f03718cac050726aff103e7f6d494e2370316cd2ab85a6ea0309446118a7b

  • C:\Windows\SysWOW64\Kmimcbja.exe

    Filesize

    860KB

    MD5

    06ca23a627ca51082b330a8a854f2707

    SHA1

    2ab8518e7f20b855fcba68f515be59c0ff1194ac

    SHA256

    6fdd9198e9cda20ffeeadfb6fe488d0ffc65d02b777b76edb2afb4d59b0a5641

    SHA512

    270d5146ac6c132c5cec5f2f12cae245633e9aa836b7ed0bec52b48462dea55f5381caeeef15e6123beb7aff34a55315876f8373a656b6afaa6197bf9ca4aab6

  • \Windows\SysWOW64\Lbjofi32.exe

    Filesize

    860KB

    MD5

    3482bcc7587f0220f3ba75eeb1eb28e4

    SHA1

    36b926f06d0379019d7728d110013f807e3e03bf

    SHA256

    f5db4806ea0f4934434334da7dfa6a383fa564170f8bc53ee5340552131be3ab

    SHA512

    9622ba6d7544d3f9f84b9358e2a1a02d7eb44f5b5b6a541fb3265b250ae1dd3fe6c01edf4453efc2011b23ea8ca51c1102ae36c5e79c0d740c5ea754b9599a7b

  • memory/2124-18-0x0000000000250000-0x0000000000283000-memory.dmp

    Filesize

    204KB

  • memory/2124-53-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2124-0-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2124-17-0x0000000000250000-0x0000000000283000-memory.dmp

    Filesize

    204KB

  • memory/2780-41-0x0000000000250000-0x0000000000283000-memory.dmp

    Filesize

    204KB

  • memory/2780-42-0x0000000000250000-0x0000000000283000-memory.dmp

    Filesize

    204KB

  • memory/2780-50-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2792-19-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2792-27-0x0000000000250000-0x0000000000283000-memory.dmp

    Filesize

    204KB

  • memory/2792-28-0x0000000000250000-0x0000000000283000-memory.dmp

    Filesize

    204KB

  • memory/2916-43-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB