Analysis

  • max time kernel
    94s
  • max time network
    141s
  • 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, 22:41

General

  • Target
    5c922582de0f559206d26ed25864e9a099e95b9b059ef2e42eb1dfb1dd145d02.exe
  • Size 768KB
  • Sample241109-2l36aatfml
  • SHA256 5c922582de0f559206d26ed25864e9a099e95b9b059ef2e42eb1dfb1dd145d02
  • 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 34 IoCs
  • Berbew

    Berbew is a backdoor written in C++.

  • Berbew family
  • Executes dropped EXE 17 IoCs
  • Drops file in System32 directory 51 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 18 IoCs

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

  • Modifies registry class 54 IoCs
  • Suspicious use of WriteProcessMemory 51 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5c922582de0f559206d26ed25864e9a099e95b9b059ef2e42eb1dfb1dd145d02.exe
    "C:\Users\Admin\AppData\Local\Temp\5c922582de0f559206d26ed25864e9a099e95b9b059ef2e42eb1dfb1dd145d02.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:4980
    • C:\Windows\SysWOW64\Cfpnph32.exe
      C:\Windows\system32\Cfpnph32.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:4904
      • C:\Windows\SysWOW64\Cnffqf32.exe
        C:\Windows\system32\Cnffqf32.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:3476
        • C:\Windows\SysWOW64\Chokikeb.exe
          C:\Windows\system32\Chokikeb.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:2736
          • C:\Windows\SysWOW64\Cajlhqjp.exe
            C:\Windows\system32\Cajlhqjp.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:2160
            • C:\Windows\SysWOW64\Chcddk32.exe
              C:\Windows\system32\Chcddk32.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:468
              • C:\Windows\SysWOW64\Djdmffnn.exe
                C:\Windows\system32\Djdmffnn.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:2536
                • C:\Windows\SysWOW64\Djgjlelk.exe
                  C:\Windows\system32\Djgjlelk.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:1676
                  • C:\Windows\SysWOW64\Delnin32.exe
                    C:\Windows\system32\Delnin32.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:3116
                    • C:\Windows\SysWOW64\Dodbbdbb.exe
                      C:\Windows\system32\Dodbbdbb.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:4564
                      • C:\Windows\SysWOW64\Deokon32.exe
                        C:\Windows\system32\Deokon32.exe
                        11⤵
                        • 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:3388
                        • C:\Windows\SysWOW64\Dhmgki32.exe
                          C:\Windows\system32\Dhmgki32.exe
                          12⤵
                          • 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:1852
                          • C:\Windows\SysWOW64\Dfpgffpm.exe
                            C:\Windows\system32\Dfpgffpm.exe
                            13⤵
                            • 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:224
                            • C:\Windows\SysWOW64\Dmjocp32.exe
                              C:\Windows\system32\Dmjocp32.exe
                              14⤵
                              • 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:3424
                              • C:\Windows\SysWOW64\Deagdn32.exe
                                C:\Windows\system32\Deagdn32.exe
                                15⤵
                                • 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:2232
                                • C:\Windows\SysWOW64\Dhocqigp.exe
                                  C:\Windows\system32\Dhocqigp.exe
                                  16⤵
                                  • 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:1976
                                  • C:\Windows\SysWOW64\Dknpmdfc.exe
                                    C:\Windows\system32\Dknpmdfc.exe
                                    17⤵
                                    • 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:868
                                    • C:\Windows\SysWOW64\Dmllipeg.exe
                                      C:\Windows\system32\Dmllipeg.exe
                                      18⤵
                                      • Executes dropped EXE
                                      • System Location Discovery: System Language Discovery
                                      PID:3544
                                      • C:\Windows\SysWOW64\WerFault.exe
                                        C:\Windows\SysWOW64\WerFault.exe -u -p 3544 -s 408
                                        19⤵
                                        • Program crash
                                        PID:2176
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3544 -ip 3544
    1⤵
      PID:2196

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          Bilonkon.dll

          • Path C:\Windows\SysWOW64\Bilonkon.dll
          • Size 7KB
          • SHA256 c69eb14e267e5dc92eb34634c83666689a2d380ff0c65d009295394c6f8aa754
          • MD5 SHA1 SHA512 SSDEEP

          Cajlhqjp.exe

          • Path C:\Windows\SysWOW64\Cajlhqjp.exe
          • Size 768KB
          • SHA256 9b18e47b91d498dc98a4123872ec879a89b52b73fcde77259385c19410adc92e
          • MD5 SHA1 SHA512 SSDEEP

          Cfpnph32.exe

          • Path C:\Windows\SysWOW64\Cfpnph32.exe
          • Size 768KB
          • SHA256 09b6a9d569f87688e886d7bdca2a01bac8cf8c35a69991b6a9b1187b85fc2f44
          • MD5 SHA1 SHA512 SSDEEP

          Chcddk32.exe

          • Path C:\Windows\SysWOW64\Chcddk32.exe
          • Size 768KB
          • SHA256 4c706f925c732142f2cc72bdbd8adca76050bfcb92c62eab813d38a4994e6469
          • MD5 SHA1 SHA512 SSDEEP

          Chokikeb.exe

          • Path C:\Windows\SysWOW64\Chokikeb.exe
          • Size 768KB
          • SHA256 5767bafbad2f05ab6657c73665cbbb302b59668b70a8125285137fbe92ffbf93
          • MD5 SHA1 SHA512 SSDEEP

          Cnffqf32.exe

          • Path C:\Windows\SysWOW64\Cnffqf32.exe
          • Size 768KB
          • SHA256 ccf43d3f7eaa2a2e183f8a77385709b3704b9bd3c7bb7b94ad79bb502bb5ffbe
          • MD5 SHA1 SHA512 SSDEEP

          Deagdn32.exe

          • Path C:\Windows\SysWOW64\Deagdn32.exe
          • Size 768KB
          • SHA256 911a7b0cf65436ae993c0172d64f5ded1d758fdedecb4b354d6f6b7be55257df
          • MD5 SHA1 SHA512 SSDEEP

          Delnin32.exe

          • Path C:\Windows\SysWOW64\Delnin32.exe
          • Size 768KB
          • SHA256 4001f6017b0fde8b6fd806b90a3365e0bf3296c8f70faf11cd62db8d5d8c80eb
          • MD5 SHA1 SHA512 SSDEEP

          Deokon32.exe

          • Path C:\Windows\SysWOW64\Deokon32.exe
          • Size 768KB
          • SHA256 b52525393b426455832bdec9fcc1f8c5bfef70340c56ba121062207a43aa32a4
          • MD5 SHA1 SHA512 SSDEEP

          Dfpgffpm.exe

          • Path C:\Windows\SysWOW64\Dfpgffpm.exe
          • Size 768KB
          • SHA256 be9aefd921eebd5c63049a9200489490c3271ab63bab99c7ac2961df7be10a31
          • MD5 SHA1 SHA512 SSDEEP

          Dhmgki32.exe

          • Path C:\Windows\SysWOW64\Dhmgki32.exe
          • Size 768KB
          • SHA256 79edf9912c6b87d0003d041ed08488e5905dae0449e7384b86e93ce7f3fc5df2
          • MD5 SHA1 SHA512 SSDEEP

          Dhocqigp.exe

          • Path C:\Windows\SysWOW64\Dhocqigp.exe
          • Size 768KB
          • SHA256 53cf2e49bd710990195bb3a439afb570bb33d54715b98c9d91b7a7fe0f8fa12b
          • MD5 SHA1 SHA512 SSDEEP

          Djdmffnn.exe

          • Path C:\Windows\SysWOW64\Djdmffnn.exe
          • Size 768KB
          • SHA256 5e7390c142c1250ca2efab1e5cd0664b71f0ef978d35437da3879b1681c26b30
          • MD5 SHA1 SHA512 SSDEEP

          Djdmffnn.exe

          • Path C:\Windows\SysWOW64\Djdmffnn.exe
          • Size 768KB
          • SHA256 f9b08a655cf9fd8c81d4ec891067f94d59aa529dfc51db4d4ec76d6ade69a9b1
          • MD5 SHA1 SHA512 SSDEEP

          Djgjlelk.exe

          • Path C:\Windows\SysWOW64\Djgjlelk.exe
          • Size 768KB
          • SHA256 859a0fab6af4693c11fbab1cfff89ad3866c8a648a57414eac34bb36ed27cdd1
          • MD5 SHA1 SHA512 SSDEEP

          Dknpmdfc.exe

          • Path C:\Windows\SysWOW64\Dknpmdfc.exe
          • Size 768KB
          • SHA256 1b3da8152df594a079b522333f3b03eac4c20ccdf8b23db0751807f3cf088777
          • MD5 SHA1 SHA512 SSDEEP

          Dmjocp32.exe

          • Path C:\Windows\SysWOW64\Dmjocp32.exe
          • Size 768KB
          • SHA256 3500043e9fbc55c2bf93f7498851f924c0aa85d03ca11aed63e4e98e1f96f9cc
          • MD5 SHA1 SHA512 SSDEEP

          Dmllipeg.exe

          • Path C:\Windows\SysWOW64\Dmllipeg.exe
          • Size 768KB
          • SHA256 bdd87fd4237fdc2892bbf9f555110568d85eeeb1d51637e959db70887bf26ed7
          • MD5 SHA1 SHA512 SSDEEP

          Dodbbdbb.exe

          • Path C:\Windows\SysWOW64\Dodbbdbb.exe
          • Size 768KB
          • SHA256 549feb895d8aa13b71cd29c5c4a0730066eafbfae111f0d7f4c052c73a29784b
          • MD5 SHA1 SHA512 SSDEEP

          memory/224-100-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/468-143-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/468-39-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/868-134-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/1676-55-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/1676-141-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/1852-138-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/1852-88-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/1976-136-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/2160-144-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/2160-31-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/2232-116-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/2536-48-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/2536-142-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/2736-23-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/2736-145-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/3116-63-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/3116-140-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/3388-80-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/3388-137-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/3424-108-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/3476-16-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/3476-146-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/3544-135-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/4564-139-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/4564-72-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/4904-147-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/4904-8-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/4980-148-0x0000000000400000-0x0000000000435000-memory.dmp

          memory/4980-0-0x0000000000400000-0x0000000000435000-memory.dmp