Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-12-2024 05:05

General

  • Target

    cde557dcc7e6e18f9b14616a1cc0ec901d0bb2cf3ab3568108ca88ac8ab98651.exe

  • Size

    93KB

  • MD5

    e02c2ca351edbf38e14125fc4e132cd1

  • SHA1

    87cd2c233a475cf07633c1902f2e6a58833ac99d

  • SHA256

    cde557dcc7e6e18f9b14616a1cc0ec901d0bb2cf3ab3568108ca88ac8ab98651

  • SHA512

    67d2dcd6528b208fb3e8c6db231b8e10b7d1bc9036a3b4fc5c3b927b0afc5e33fc27180b68c33b77fbb96b351b0045ac557a15896a84f9d06c5c50ea483d51c6

  • SSDEEP

    1536:gwhTpqKDAWfQCC3/e4O8Yhl7q1KcY1DaYfMZRWuLsV+1L:7zrtfQCCve4qxy9YgYfc0DV+1L

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 12 IoCs
  • Berbew

    Berbew is a backdoor written in C++.

  • Berbew family
  • Njrat family
  • njRAT/Bladabindi

    Widely used RAT written in .NET.

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 15 IoCs
  • Drops file in System32 directory 20 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Modifies registry class 21 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cde557dcc7e6e18f9b14616a1cc0ec901d0bb2cf3ab3568108ca88ac8ab98651.exe
    "C:\Users\Admin\AppData\Local\Temp\cde557dcc7e6e18f9b14616a1cc0ec901d0bb2cf3ab3568108ca88ac8ab98651.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:2484
    • C:\Windows\SysWOW64\Cbffoabe.exe
      C:\Windows\system32\Cbffoabe.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:2244
      • C:\Windows\SysWOW64\Cchbgi32.exe
        C:\Windows\system32\Cchbgi32.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:2900
        • C:\Windows\SysWOW64\Cnmfdb32.exe
          C:\Windows\system32\Cnmfdb32.exe
          4⤵
          • 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:2748
          • C:\Windows\SysWOW64\Cegoqlof.exe
            C:\Windows\system32\Cegoqlof.exe
            5⤵
            • 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:2372
            • C:\Windows\SysWOW64\Dmbcen32.exe
              C:\Windows\system32\Dmbcen32.exe
              6⤵
              • 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:2560
              • C:\Windows\SysWOW64\Dpapaj32.exe
                C:\Windows\system32\Dpapaj32.exe
                7⤵
                • Executes dropped EXE
                • Drops file in System32 directory
                • System Location Discovery: System Language Discovery
                • Suspicious use of WriteProcessMemory
                PID:2536
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 144
                  8⤵
                  • Loads dropped DLL
                  • Program crash
                  PID:2704

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\Cchbgi32.exe

    Filesize

    93KB

    MD5

    fc212d93b0f46a141ebff4052fffafd0

    SHA1

    354cd77e78a2c54887b6cb7133116fc34bc47fe5

    SHA256

    31aa133fb8d0bd0fbbd48e63573753d87082ab771277d54c83f6f34f3d0acff2

    SHA512

    5fc74b21dbf097306954a0dfa299fe8a909491f3944d3fd8984007829bb74f0181d2748c2f0ecd465610e57849b4ffd22afe28016216bf95722d90d87f4692a3

  • C:\Windows\SysWOW64\Cegoqlof.exe

    Filesize

    93KB

    MD5

    70534ff04ddaa0f5679393b81d99cec9

    SHA1

    3ce37b1238a6e3cd35efc7c1962fe951882812c3

    SHA256

    a981223cd22e5f872e0da5e1006391cd3612675b07f582942b2e5d885b0357fb

    SHA512

    831f6e5f8332e4d5069167908e16110f9277486e76fb9f1ba500bd695b5d237f4d7715747bf7c944ef33f17037317f89267efc7f8f8a459313ea8c4566d5c039

  • \Windows\SysWOW64\Cbffoabe.exe

    Filesize

    93KB

    MD5

    b28fb93800e940442f907ca2abaf700a

    SHA1

    9327a7596c0e35812d78a9b2e261b5210613b684

    SHA256

    b07390a5564d8b5433e60ea7d9d0ef10ab2b3dd3f9917675a6060e4a9f0f117d

    SHA512

    a255a2eb57daafe0a771c3dca3fe0a6f57009e2a4d03c8571e19ac973b53edeb0cfc8dcde386d853741d2498196e5a74be404ed0c77d2e44afe9ff3cc7cae226

  • \Windows\SysWOW64\Cnmfdb32.exe

    Filesize

    93KB

    MD5

    1456c2429390738eeb91ea69dbb76735

    SHA1

    d28912db92b3ef6cc00749a41633484160383688

    SHA256

    752265a330a8029436918e5ab586a9874959af534fe62f9932a861502e499177

    SHA512

    a50420e5fca92727d4aa9dffe92ed9890a23dde535893061015d1133c02a6a9f5295cbc87223d75f86019405fb18ffb09c7de62c37347240f4888c93e277d9fb

  • \Windows\SysWOW64\Dmbcen32.exe

    Filesize

    93KB

    MD5

    a0f74518ce3605cbcd21abfd4e9bb53b

    SHA1

    850881c1daba05b3b15529c3de60f7a1051b7383

    SHA256

    1e3c221c784bf7c7780f8a88353e808ef41cd42e34dc0fc9efc276663c628c74

    SHA512

    637b7045805fa87a027e92f738d856c2971b9df1af37c66cf89e13d1058b36330921b4df4cb4d71b71e4b0a652ebe981065a0a56a20517cd365997323ba1f559

  • \Windows\SysWOW64\Dpapaj32.exe

    Filesize

    93KB

    MD5

    2330e0f6e265739d4ad087cfc18b006a

    SHA1

    fcb4afe5001edeb37f4e1aad132f9c43ed5d392a

    SHA256

    eceefd609dc21c2f0676b54b51061727e8c2bf621e266df37670ac680317b1e1

    SHA512

    a094840d4d7cf8137327fa45f198d5c565cae6330a5cefc6f891866d6535817199a54a3fa8c9cef145d006c6066c45b31157062c2bfe210756ff01b98266535b

  • memory/2244-19-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2372-92-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2372-62-0x0000000000250000-0x0000000000283000-memory.dmp

    Filesize

    204KB

  • memory/2372-55-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2484-14-0x0000000000250000-0x0000000000283000-memory.dmp

    Filesize

    204KB

  • memory/2484-0-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2484-12-0x0000000000250000-0x0000000000283000-memory.dmp

    Filesize

    204KB

  • memory/2484-95-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2536-81-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2536-99-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2560-96-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2748-47-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2900-40-0x00000000002D0000-0x0000000000303000-memory.dmp

    Filesize

    204KB

  • memory/2900-27-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB

  • memory/2900-35-0x00000000002D0000-0x0000000000303000-memory.dmp

    Filesize

    204KB

  • memory/2900-97-0x0000000000400000-0x0000000000433000-memory.dmp

    Filesize

    204KB