Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2024, 07:22

General

  • Target
    c20ce886068fabc5327538f1d7a0276cf9b9714f286601a57b01986dbb86acc7N.exe
  • Size 669KB
  • Sample240927-h69zsa1epp
  • SHA256 c20ce886068fabc5327538f1d7a0276cf9b9714f286601a57b01986dbb86acc7
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • berbew

C2
  • http://f/wcmd.htm

  • http://f/ppslog.php

  • http://f/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 20 IoCs
  • Berbew

    Berbew is a backdoor written in C++.

  • Executes dropped EXE 10 IoCs
  • Drops file in System32 directory 30 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

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

  • Modifies registry class 33 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c20ce886068fabc5327538f1d7a0276cf9b9714f286601a57b01986dbb86acc7N.exe
    "C:\Users\Admin\AppData\Local\Temp\c20ce886068fabc5327538f1d7a0276cf9b9714f286601a57b01986dbb86acc7N.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:1684
    • C:\Windows\SysWOW64\Cmnpgb32.exe
      C:\Windows\system32\Cmnpgb32.exe
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Executes dropped EXE
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3784
      • C:\Windows\SysWOW64\Ceehho32.exe
        C:\Windows\system32\Ceehho32.exe
        3⤵
        • Adds autorun key to be loaded by Explorer.exe on startup
        • Executes dropped EXE
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:4860
        • C:\Windows\SysWOW64\Ddjejl32.exe
          C:\Windows\system32\Ddjejl32.exe
          4⤵
          • Adds autorun key to be loaded by Explorer.exe on startup
          • Executes dropped EXE
          • Drops file in System32 directory
          • System Location Discovery: System Language Discovery
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:4900
          • C:\Windows\SysWOW64\Dopigd32.exe
            C:\Windows\system32\Dopigd32.exe
            5⤵
            • Adds autorun key to be loaded by Explorer.exe on startup
            • Executes dropped EXE
            • Drops file in System32 directory
            • System Location Discovery: System Language Discovery
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:3152
            • C:\Windows\SysWOW64\Dfknkg32.exe
              C:\Windows\system32\Dfknkg32.exe
              6⤵
              • Adds autorun key to be loaded by Explorer.exe on startup
              • Executes dropped EXE
              • Drops file in System32 directory
              • System Location Discovery: System Language Discovery
              • Modifies registry class
              • Suspicious use of WriteProcessMemory
              PID:1168
              • C:\Windows\SysWOW64\Djgjlelk.exe
                C:\Windows\system32\Djgjlelk.exe
                7⤵
                • Adds autorun key to be loaded by Explorer.exe on startup
                • Executes dropped EXE
                • Drops file in System32 directory
                • System Location Discovery: System Language Discovery
                • Modifies registry class
                • Suspicious use of WriteProcessMemory
                PID:2872
                • C:\Windows\SysWOW64\Dodbbdbb.exe
                  C:\Windows\system32\Dodbbdbb.exe
                  8⤵
                  • Adds autorun key to be loaded by Explorer.exe on startup
                  • Executes dropped EXE
                  • Drops file in System32 directory
                  • System Location Discovery: System Language Discovery
                  • Modifies registry class
                  • Suspicious use of WriteProcessMemory
                  PID:5012
                  • C:\Windows\SysWOW64\Dkkcge32.exe
                    C:\Windows\system32\Dkkcge32.exe
                    9⤵
                    • Adds autorun key to be loaded by Explorer.exe on startup
                    • Executes dropped EXE
                    • Drops file in System32 directory
                    • System Location Discovery: System Language Discovery
                    • Modifies registry class
                    • Suspicious use of WriteProcessMemory
                    PID:2640
                    • C:\Windows\SysWOW64\Dddhpjof.exe
                      C:\Windows\system32\Dddhpjof.exe
                      10⤵
                      • Adds autorun key to be loaded by Explorer.exe on startup
                      • Executes dropped EXE
                      • Drops file in System32 directory
                      • System Location Discovery: System Language Discovery
                      • Modifies registry class
                      • Suspicious use of WriteProcessMemory
                      PID:2436
                      • C:\Windows\SysWOW64\Dmllipeg.exe
                        C:\Windows\system32\Dmllipeg.exe
                        11⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        PID:1232
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -u -p 1232 -s 420
                          12⤵
                          • Program crash
                          PID:1584
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1232 -ip 1232
    1⤵
      PID:3524

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          Ceehho32.exe

          • Path C:\Windows\SysWOW64\Ceehho32.exe
          • Size 669KB
          • SHA256 18ec1b7806fb7a8141b502900156fd3f00fdc6c6b6b1ccddf53f2c2c58b6f0df
          • MD5 SHA1 SHA512 SSDEEP

          Cmnpgb32.exe

          • Path C:\Windows\SysWOW64\Cmnpgb32.exe
          • Size 669KB
          • SHA256 70a886eab6787d1ac46d2e14b04201b89af3152b7ea03f06253ef2559f786e4d
          • MD5 SHA1 SHA512 SSDEEP

          Cogflbdn.dll

          • Path C:\Windows\SysWOW64\Cogflbdn.dll
          • Size 7KB
          • SHA256 bb637dfaf0a945c646fd2ed03e02b3fede60604a4a632b15c9b44a234d95138a
          • MD5 SHA1 SHA512 SSDEEP

          Dddhpjof.exe

          • Path C:\Windows\SysWOW64\Dddhpjof.exe
          • Size 669KB
          • SHA256 48bdb36fefa5cab55ec32cfed17ec08a3d2163d80ebe26c05510f81e87768f08
          • MD5 SHA1 SHA512 SSDEEP

          Ddjejl32.exe

          • Path C:\Windows\SysWOW64\Ddjejl32.exe
          • Size 669KB
          • SHA256 a9f312f01dabdc09f4e5183471e28da5a5bab38a09f8b54c2d907a28da141d2c
          • MD5 SHA1 SHA512 SSDEEP

          Dfknkg32.exe

          • Path C:\Windows\SysWOW64\Dfknkg32.exe
          • Size 669KB
          • SHA256 67eb55f698873bbb09b48954899b52029484e8018e3b726dfdc2208d069a6dc9
          • MD5 SHA1 SHA512 SSDEEP

          Djgjlelk.exe

          • Path C:\Windows\SysWOW64\Djgjlelk.exe
          • Size 669KB
          • SHA256 db58799846db180426bb7f76916d682c4764835be02b37ed2479833aad374909
          • MD5 SHA1 SHA512 SSDEEP

          Dkkcge32.exe

          • Path C:\Windows\SysWOW64\Dkkcge32.exe
          • Size 669KB
          • SHA256 94f451c2e2309a5e762968153dc4ac0e43ab42ffb169263595b90214b41f9194
          • MD5 SHA1 SHA512 SSDEEP

          Dmllipeg.exe

          • Path C:\Windows\SysWOW64\Dmllipeg.exe
          • Size 669KB
          • SHA256 fe35931ca803e43d21cf966363e8956cc196b9ba97b25946e1bafa9b65702c26
          • MD5 SHA1 SHA512 SSDEEP

          Dodbbdbb.exe

          • Path C:\Windows\SysWOW64\Dodbbdbb.exe
          • Size 669KB
          • SHA256 427507567607e783b58759f15a418ea3c59d2f33373caf1429c4bd57351195ca
          • MD5 SHA1 SHA512 SSDEEP

          Dopigd32.exe

          • Path C:\Windows\SysWOW64\Dopigd32.exe
          • Size 448KB
          • SHA256 53a49919383c6c7612c61c5b40bd019c08f18488133594850474552cdf753a3b
          • MD5 SHA1 SHA512 SSDEEP

          Dopigd32.exe

          • Path C:\Windows\SysWOW64\Dopigd32.exe
          • Size 669KB
          • SHA256 e70acc431c56e171d01c794bde146dd7ed022a5e9eb7a1840cf82a8c9cfeaec3
          • MD5 SHA1 SHA512 SSDEEP

          memory/1168-40-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/1168-94-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/1232-79-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/1232-83-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/1684-101-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/1684-0-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/2436-71-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/2436-84-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/2640-88-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/2640-64-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/2872-90-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/2872-47-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/3152-31-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/3152-93-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/3784-8-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/3784-99-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4860-16-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4860-97-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4900-95-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4900-23-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/5012-55-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/5012-87-0x0000000000400000-0x0000000000434000-memory.dmp