Analysis

  • max time kernel
    73s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2024 05:47

General

  • Target

    b32883de9563d0e41569f9f175fcf18ed77d3be071b5d628088bec89eacccd7b.exe

  • Size

    192KB

  • MD5

    4098d005b1f711e6eab197d727362dc5

  • SHA1

    fc8c3960f29639022795a6e90d24e1920c1fe753

  • SHA256

    b32883de9563d0e41569f9f175fcf18ed77d3be071b5d628088bec89eacccd7b

  • SHA512

    ce63f23df1464fa3875e3a5a8f279641ec241bdd417e8ebbcf9be31a2c14b37e81e733706a9d9509c3e8919b28dfc14224138c1d85ad165695b4781fa5d84ee9

  • SSDEEP

    3072:5cNfLE24ho1mtye3lFDrFDHZtO8jJkiUi8ChpBhx5Zd424hoc:5OLpsFj5tPNki9HZdc

Malware Config

Extracted

Family

berbew

C2

http://tat-neftbank.ru/kkq.php

http://tat-neftbank.ru/wcmd.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 9 IoCs
  • Drops file in System32 directory 9 IoCs
  • Drops file in Windows directory 2 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\b32883de9563d0e41569f9f175fcf18ed77d3be071b5d628088bec89eacccd7b.exe
    "C:\Users\Admin\AppData\Local\Temp\b32883de9563d0e41569f9f175fcf18ed77d3be071b5d628088bec89eacccd7b.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:2708
    • C:\Windows\SysWOW64\Ccjoli32.exe
      C:\Windows\system32\Ccjoli32.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:2852
      • C:\Windows\SysWOW64\Djdgic32.exe
        C:\Windows\system32\Djdgic32.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:2568
        • C:\Windows\SysWOW64\Dpapaj32.exe
          C:\Windows\system32\Dpapaj32.exe
          4⤵
          • Executes dropped EXE
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:2912
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2912 -s 144
            5⤵
            • Loads dropped DLL
            • Program crash
            PID:2076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\Ccjoli32.exe

    Filesize

    192KB

    MD5

    4495f9ea4b2622dffc1d2982637f434a

    SHA1

    8d835d02244fc89b0daa149ee1ca4a260f07832f

    SHA256

    048e2ba1fec6b2acde617610d011cffb344b83f9b86e3453fb078f2479f3dd5a

    SHA512

    e5766c74d0e2575862bb2ff8de3c4930ba8798f82319b05d6df15b50750e268771292903068b6f50b5ca8284b136b64220075470e726f75b0ab2c41b0f4537f5

  • C:\Windows\SysWOW64\Dpapaj32.exe

    Filesize

    192KB

    MD5

    d4c7dcf0bb69143d7d6e38958db95197

    SHA1

    1bbc11c48e8d04ffd2ea96cc0a4a8c8b55ad0dc9

    SHA256

    9117e2683ae09b77604eab59ecf6436bab5e64cfe1a7567de7eb9fcfc1c45d70

    SHA512

    094ae75f9402636c08cbe42417d4d4b567f2469c45841f6ff06c8720c2e610f3d3e34924219ba553efb5deca5d5871550a8bf9571b38579a9ebd35364544423e

  • \Windows\SysWOW64\Djdgic32.exe

    Filesize

    192KB

    MD5

    97ace74562215a705f4ca302d4772c38

    SHA1

    25ae91971c94a90313c11bbedd34560d8894f72a

    SHA256

    a06e0ec20e44015999f205b54ee61fedbe90bc9e8a3b35a08c518b663d2613d7

    SHA512

    8c8972d6e49a1ebc19073aaa094cfa2607fdd85862fb1e45dbb4fe618bef8dd98644c779fdd085e958d1e71e83eba77854f96398bca37f541beb3ca36a469903

  • memory/2568-40-0x0000000000250000-0x000000000027F000-memory.dmp

    Filesize

    188KB

  • memory/2568-54-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2708-17-0x00000000002D0000-0x00000000002FF000-memory.dmp

    Filesize

    188KB

  • memory/2708-18-0x00000000002D0000-0x00000000002FF000-memory.dmp

    Filesize

    188KB

  • memory/2708-0-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2708-51-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2852-20-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2852-22-0x0000000000260000-0x000000000028F000-memory.dmp

    Filesize

    188KB

  • memory/2912-41-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2912-52-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB