Analysis

  • max time kernel
    145s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/04/2024, 03:45

General

  • Target
    fbfd53c19f49afbecdba9c7ae367ad7dd5b026ad99f65e6b74ed98c0b8a39583.exe
  • Size 467KB
  • Sample240416-ebjmkaaf2t
  • SHA256 fbfd53c19f49afbecdba9c7ae367ad7dd5b026ad99f65e6b74ed98c0b8a39583
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 24 IoCs
  • Executes dropped EXE 12 IoCs
  • Drops file in System32 directory 36 IoCs
  • Program crash 1 IoCs
  • Modifies registry class 39 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fbfd53c19f49afbecdba9c7ae367ad7dd5b026ad99f65e6b74ed98c0b8a39583.exe
    "C:\Users\Admin\AppData\Local\Temp\fbfd53c19f49afbecdba9c7ae367ad7dd5b026ad99f65e6b74ed98c0b8a39583.exe"
    1⤵
    • Adds autorun key to be loaded by Explorer.exe on startup
    • Drops file in System32 directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2956
    • C:\Windows\SysWOW64\Cfdhkhjj.exe
      C:\Windows\system32\Cfdhkhjj.exe
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Executes dropped EXE
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:3216
      • 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
        • Modifies registry class
        • Suspicious use of WriteProcessMemory
        PID:3388
        • C:\Windows\SysWOW64\Cjbpaf32.exe
          C:\Windows\system32\Cjbpaf32.exe
          4⤵
          • Adds autorun key to be loaded by Explorer.exe on startup
          • Executes dropped EXE
          • Drops file in System32 directory
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:2108
          • C:\Windows\SysWOW64\Calhnpgn.exe
            C:\Windows\system32\Calhnpgn.exe
            5⤵
            • Adds autorun key to be loaded by Explorer.exe on startup
            • Executes dropped EXE
            • Drops file in System32 directory
            • Modifies registry class
            • Suspicious use of WriteProcessMemory
            PID:4956
            • C:\Windows\SysWOW64\Dopigd32.exe
              C:\Windows\system32\Dopigd32.exe
              6⤵
              • Adds autorun key to be loaded by Explorer.exe on startup
              • Executes dropped EXE
              • Drops file in System32 directory
              • Modifies registry class
              • Suspicious use of WriteProcessMemory
              PID:1540
              • C:\Windows\SysWOW64\Dfknkg32.exe
                C:\Windows\system32\Dfknkg32.exe
                7⤵
                • Adds autorun key to be loaded by Explorer.exe on startup
                • Executes dropped EXE
                • Drops file in System32 directory
                • Modifies registry class
                • Suspicious use of WriteProcessMemory
                PID:4004
                • C:\Windows\SysWOW64\Dobfld32.exe
                  C:\Windows\system32\Dobfld32.exe
                  8⤵
                  • Adds autorun key to be loaded by Explorer.exe on startup
                  • Executes dropped EXE
                  • Drops file in System32 directory
                  • Modifies registry class
                  • Suspicious use of WriteProcessMemory
                  PID:4828
                  • 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
                    • Modifies registry class
                    • Suspicious use of WriteProcessMemory
                    PID:1700
                    • C:\Windows\SysWOW64\Dfnjafap.exe
                      C:\Windows\system32\Dfnjafap.exe
                      10⤵
                      • Adds autorun key to be loaded by Explorer.exe on startup
                      • Executes dropped EXE
                      • Drops file in System32 directory
                      • Modifies registry class
                      • Suspicious use of WriteProcessMemory
                      PID:4844
                      • C:\Windows\SysWOW64\Deagdn32.exe
                        C:\Windows\system32\Deagdn32.exe
                        11⤵
                        • Adds autorun key to be loaded by Explorer.exe on startup
                        • Executes dropped EXE
                        • Drops file in System32 directory
                        • Modifies registry class
                        • Suspicious use of WriteProcessMemory
                        PID:3256
                        • C:\Windows\SysWOW64\Dgbdlf32.exe
                          C:\Windows\system32\Dgbdlf32.exe
                          12⤵
                          • Adds autorun key to be loaded by Explorer.exe on startup
                          • Executes dropped EXE
                          • Drops file in System32 directory
                          • Modifies registry class
                          • Suspicious use of WriteProcessMemory
                          PID:2300
                          • C:\Windows\SysWOW64\Dmllipeg.exe
                            C:\Windows\system32\Dmllipeg.exe
                            13⤵
                            • Executes dropped EXE
                            PID:3600
                            • C:\Windows\SysWOW64\WerFault.exe
                              C:\Windows\SysWOW64\WerFault.exe -u -p 3600 -s 408
                              14⤵
                              • Program crash
                              PID:1868
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3600 -ip 3600
    1⤵
      PID:4480

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          Calhnpgn.exe

          • Path C:\Windows\SysWOW64\Calhnpgn.exe
          • Size 467KB
          • SHA256 89469a66097ac8b833910be79ec178be542bc652fcfe2137d8935bd58097518a
          • MD5 SHA1 SHA512 SSDEEP

          Ceehho32.exe

          • Path C:\Windows\SysWOW64\Ceehho32.exe
          • Size 467KB
          • SHA256 9ed985d3a79fb89b8459695c4ce68ac4d9189511985a07d6cabd3b66e04245a4
          • MD5 SHA1 SHA512 SSDEEP

          Cfdhkhjj.exe

          • Path C:\Windows\SysWOW64\Cfdhkhjj.exe
          • Size 467KB
          • SHA256 142456c4468911cd5ebe8d69f1c37f0141383e3396a851e460f15fea74213e64
          • MD5 SHA1 SHA512 SSDEEP

          Cjbpaf32.exe

          • Path C:\Windows\SysWOW64\Cjbpaf32.exe
          • Size 467KB
          • SHA256 644b66410194c420602dea247eb90c7350be7d957eedefd447fd5bd7b256f6c6
          • MD5 SHA1 SHA512 SSDEEP

          Deagdn32.exe

          • Path C:\Windows\SysWOW64\Deagdn32.exe
          • Size 467KB
          • SHA256 f0d684c13db4e6f3a31a11c77ca8c36738718fa2d18f940c42e3ffad56464661
          • MD5 SHA1 SHA512 SSDEEP

          Delnin32.exe

          • Path C:\Windows\SysWOW64\Delnin32.exe
          • Size 467KB
          • SHA256 d8843d05d2f1b6f0af50c83647eb0cfd9ca44ab7c1fe78f50477d7352001cbf6
          • MD5 SHA1 SHA512 SSDEEP

          Dfknkg32.exe

          • Path C:\Windows\SysWOW64\Dfknkg32.exe
          • Size 467KB
          • SHA256 a807937387f736d1058434eaa21499fe42c7e8b89f69845ec7a8db9950e5c35d
          • MD5 SHA1 SHA512 SSDEEP

          Dfnjafap.exe

          • Path C:\Windows\SysWOW64\Dfnjafap.exe
          • Size 467KB
          • SHA256 bbb1f01d80684320d4260893ffaed96a3b92d87f9036dc42306c7c46d4f50bb0
          • MD5 SHA1 SHA512 SSDEEP

          Dgbdlf32.exe

          • Path C:\Windows\SysWOW64\Dgbdlf32.exe
          • Size 467KB
          • SHA256 929681da3d2b76d37553cf7ff3eac3d95f9603c8aea1d72e2a5c032369c661e9
          • MD5 SHA1 SHA512 SSDEEP

          Dmllipeg.exe

          • Path C:\Windows\SysWOW64\Dmllipeg.exe
          • Size 467KB
          • SHA256 37d2ffd3262feb45d88021494ec7d8735d0821768a6740e124c095e3c9bc58dd
          • MD5 SHA1 SHA512 SSDEEP

          Dobfld32.exe

          • Path C:\Windows\SysWOW64\Dobfld32.exe
          • Size 467KB
          • SHA256 1f25e415ce397e57c9d4969518f6192ee3b0cd901a7b92003d4b064ed33933c5
          • MD5 SHA1 SHA512 SSDEEP

          Dopigd32.exe

          • Path C:\Windows\SysWOW64\Dopigd32.exe
          • Size 467KB
          • SHA256 90f3484b05eac878fd99218a1bb3a3c13cb2aae965c22ed5ca5f151bbe881038
          • MD5 SHA1 SHA512 SSDEEP

          Hcjccj32.dll

          • Path C:\Windows\SysWOW64\Hcjccj32.dll
          • Size 7KB
          • SHA256 511f99cc69d4164dc8b43e80eb0687e1f131050aaa8fe22774b373c20dcca763
          • MD5 SHA1 SHA512 SSDEEP

          memory/1540-66-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/1540-112-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/1700-106-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/1700-70-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/2108-24-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/2108-116-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/2300-101-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/2300-94-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/2956-121-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/2956-0-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/3216-8-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/3216-120-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/3256-93-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/3256-103-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/3388-20-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/3388-118-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/3600-97-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/3600-95-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/4004-110-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/4004-69-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/4828-108-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/4844-104-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/4956-31-0x0000000000400000-0x0000000000467000-memory.dmp

          memory/4956-115-0x0000000000400000-0x0000000000467000-memory.dmp