Analysis

  • max time kernel
    94s
  • max time network
    138s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/11/2024, 05:45

General

  • Target

    fe80bb9fbe756e1350703aa657c3affb5738e6a66d21089b738689f9dbec4c08.exe

  • Size

    1.9MB

  • MD5

    7ce6886a3ed5cbef2c0e4d29ff88dca3

  • SHA1

    4c1c2203715acadae80dea78b017af2f532fdd80

  • SHA256

    fe80bb9fbe756e1350703aa657c3affb5738e6a66d21089b738689f9dbec4c08

  • SHA512

    acba1796e922d8d0c51ff7875bbb2e638881096a97f1f63f32e5ebc7ec933bcb3ece7e0a8ca4c53568dd7bc1146ca6f5f85421f4c15ffb164bc05e0e7a6726f1

  • SSDEEP

    24576:gNIVyeNIVy2j5aaRLVtnX6ojNIVyeNIVy2jvLNIVyeNIVy2j5aaRLVtnX6ojNIVi:fyjAi6yjGyjAi6yjx

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 2 IoCs
  • Berbew

    Berbew is a backdoor written in C++.

  • Berbew family
  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fe80bb9fbe756e1350703aa657c3affb5738e6a66d21089b738689f9dbec4c08.exe
    "C:\Users\Admin\AppData\Local\Temp\fe80bb9fbe756e1350703aa657c3affb5738e6a66d21089b738689f9dbec4c08.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:4728
    • C:\Windows\SysWOW64\Dmllipeg.exe
      C:\Windows\system32\Dmllipeg.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4188
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 396
        3⤵
        • Program crash
        PID:4528
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4188 -ip 4188
    1⤵
      PID:4676

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\SysWOW64\Dmllipeg.exe

            Filesize

            1.9MB

            MD5

            d9b06d5e17c6d6864b132cc62f248bd7

            SHA1

            156bc4b8b0cde1959f35e9a1a9e15d07a632948e

            SHA256

            53bb4c358aed2fb77a9d24d6050bac12180d9aefed1639e3f53b94457b80c39a

            SHA512

            66c6024dda78f2a9ce0b32e3b4dc7505e56acb0b70b39ad1d1a2b3f06d6e84466d48d68a225f9a23be2f238b3c47c037b3585979765ad5e92342aa22aa1342c8

          • memory/4188-8-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/4188-12-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/4728-0-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB

          • memory/4728-1-0x0000000000431000-0x0000000000432000-memory.dmp

            Filesize

            4KB

          • memory/4728-13-0x0000000000400000-0x0000000000433000-memory.dmp

            Filesize

            204KB