Analysis

  • max time kernel
    149s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-10-2024 18:53

General

  • Target

    06fc36f1267f604b356f2f25f80d3f70_JaffaCakes118.dll

  • Size

    152KB

  • MD5

    06fc36f1267f604b356f2f25f80d3f70

  • SHA1

    7764cb9fc3f65cac90e07b65ed8acd75402d1042

  • SHA256

    6c1b60655c1025dc0098cc979fe73a2e9db9af1906090643de5a985bf2a23861

  • SHA512

    1d363aaab8bcdbb757fc3926b161905829404656e89167e74a7fd7c102c638c11c81d82724b93cd1dc709544ab1647d66ed023c611a3cd92d2f602477e69c618

  • SSDEEP

    1536:xszmzUP7+QouBhaBRkWmZUyJdfF3Whbp7OBymRaF/i4sKse61+wo2Hy60ngkg8q4:xszmgP7+Qv0BQfFGphGk/iLJo2SWRP

Malware Config

Signatures

  • Executes dropped EXE 6 IoCs
  • Loads dropped DLL 8 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • UPX packed file 16 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 9 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 8 IoCs

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

  • Modifies Internet Explorer Protected Mode 1 TTPs 5 IoCs
  • Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
  • Modifies Internet Explorer settings 1 TTPs 31 IoCs
  • Suspicious use of FindShellTrayWindow 8 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\06fc36f1267f604b356f2f25f80d3f70_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4296
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\06fc36f1267f604b356f2f25f80d3f70_JaffaCakes118.dll,#1
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5040
      • C:\PROGRA~3\rundll32.exe
        C:\PROGRA~3\rundll32.exe C:\PROGRA~3\jq6zzd.dat,FG00
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2424
        • C:\PROGRA~3\rundll32.exe
          C:\PROGRA~3\rundll32.exe C:\PROGRA~3\jq6zzd.dat,FG01
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:4808
        • C:\PROGRA~3\rundll32.exe
          C:\PROGRA~3\rundll32.exe C:\PROGRA~3\jq6zzd.dat,FG02
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          PID:5024
        • C:\PROGRA~3\rundll32.exe
          C:\PROGRA~3\rundll32.exe C:\PROGRA~3\jq6zzd.dat,FG03
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Modifies Internet Explorer Protected Mode
          • Modifies Internet Explorer Protected Mode Banner
          • Modifies Internet Explorer settings
          • Suspicious use of WriteProcessMemory
          PID:4832
          • C:\Program Files\Internet Explorer\iexplore.exe
            "C:\Program Files\Internet Explorer\iexplore.exe"
            5⤵
            • Modifies Internet Explorer settings
            • Suspicious use of FindShellTrayWindow
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:3512
            • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
              "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3512 CREDAT:17410 /prefetch:2
              6⤵
              • System Location Discovery: System Language Discovery
              • Modifies Internet Explorer settings
              • Suspicious use of SetWindowsHookEx
              PID:3140
        • C:\PROGRA~3\rundll32.exe
          C:\PROGRA~3\rundll32.exe C:\PROGRA~3\jq6zzd.dat,FG04
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:1180
        • C:\PROGRA~3\rundll32.exe
          C:\PROGRA~3\rundll32.exe C:\PROGRA~3\jq6zzd.dat,FG06
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          PID:1716

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\jq6zzd.dat

    Filesize

    152KB

    MD5

    06fc36f1267f604b356f2f25f80d3f70

    SHA1

    7764cb9fc3f65cac90e07b65ed8acd75402d1042

    SHA256

    6c1b60655c1025dc0098cc979fe73a2e9db9af1906090643de5a985bf2a23861

    SHA512

    1d363aaab8bcdbb757fc3926b161905829404656e89167e74a7fd7c102c638c11c81d82724b93cd1dc709544ab1647d66ed023c611a3cd92d2f602477e69c618

  • C:\ProgramData\rundll32.exe

    Filesize

    60KB

    MD5

    889b99c52a60dd49227c5e485a016679

    SHA1

    8fa889e456aa646a4d0a4349977430ce5fa5e2d7

    SHA256

    6cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910

    SHA512

    08933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    471B

    MD5

    3581a0e6b4a2481b0d17c98cea4c6ba1

    SHA1

    f55e51abdb6324ae363802235297914a053947ec

    SHA256

    a904ea3ed03f1568aaea366c859b6f0610d0e47ccd5725c20132d3c10e11188d

    SHA512

    f9ea3d2712ca7ebb9c5826de7a89c59c7b2a50759baa83cf04fce4234d59e94d251560ab9e3bb845715ce54bc65187297eac9f73ad93adf034bca591cab3ab24

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776

    Filesize

    404B

    MD5

    310557d2fb0bde0a393f9a59da3bc94d

    SHA1

    a7036e115253fbc92d9c9dcdd8f2e2bedb7bf923

    SHA256

    f3abe6ffe385d5a4e8307e10b2695d45f19df4f03770bf02164f8fcbe15d8c05

    SHA512

    4772ec1a0219e33f89ed972112970e26b858d8d666caa1c4c84f227854728d15c144f089f75fd04edc18d8b07f25ec4d7f8c9947ae6129571b6ce11ef5bd8533

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\BRZNMQLE\suggestions[1].en-US

    Filesize

    17KB

    MD5

    5a34cb996293fde2cb7a4ac89587393a

    SHA1

    3c96c993500690d1a77873cd62bc639b3a10653f

    SHA256

    c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad

    SHA512

    e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee

  • memory/1180-43-0x000000007DD00000-0x000000007DD3F000-memory.dmp

    Filesize

    252KB

  • memory/1180-73-0x000000007DD00000-0x000000007DD3F000-memory.dmp

    Filesize

    252KB

  • memory/1180-66-0x000000007DD00000-0x000000007DD3F000-memory.dmp

    Filesize

    252KB

  • memory/1716-114-0x000000007DD00000-0x000000007DD3F000-memory.dmp

    Filesize

    252KB

  • memory/1716-104-0x000000007DD00000-0x000000007DD3F000-memory.dmp

    Filesize

    252KB

  • memory/1716-79-0x000000007DD00000-0x000000007DD3F000-memory.dmp

    Filesize

    252KB

  • memory/1716-44-0x000000007DD00000-0x000000007DD3F000-memory.dmp

    Filesize

    252KB

  • memory/2424-18-0x000000007DD00000-0x000000007DD3F000-memory.dmp

    Filesize

    252KB

  • memory/2424-38-0x000000007DD00000-0x000000007DD3F000-memory.dmp

    Filesize

    252KB

  • memory/2424-17-0x000000007DD00000-0x000000007DD3F000-memory.dmp

    Filesize

    252KB

  • memory/4808-41-0x000000007DD00000-0x000000007DD3F000-memory.dmp

    Filesize

    252KB

  • memory/4832-42-0x000000007DD00000-0x000000007DD3F000-memory.dmp

    Filesize

    252KB

  • memory/5040-37-0x0000000009320000-0x000000000935F000-memory.dmp

    Filesize

    252KB

  • memory/5040-35-0x000000007DD00000-0x000000007DD2B000-memory.dmp

    Filesize

    172KB

  • memory/5040-34-0x0000000000D10000-0x0000000000D11000-memory.dmp

    Filesize

    4KB

  • memory/5040-0-0x0000000000D10000-0x0000000000D11000-memory.dmp

    Filesize

    4KB

  • memory/5040-9-0x000000007DD00000-0x000000007DD3F000-memory.dmp

    Filesize

    252KB

  • memory/5040-1-0x000000007DD00000-0x000000007DD2B000-memory.dmp

    Filesize

    172KB