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Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    12/08/2024, 04:59

General

  • Target

    8d693029cddf88f890c47f7cc60b58a8_JaffaCakes118.exe

  • Size

    351KB

  • MD5

    8d693029cddf88f890c47f7cc60b58a8

  • SHA1

    c5d0a280952b06612206168991c5fd93fbbb58b1

  • SHA256

    d04544f5bdc06884d71d095b7f7048a7a4c86a5177787deaab076d52b3246203

  • SHA512

    d75235c02a7edf6448175b7ffcd6d3985802ff29f05ffd69a2415afb377155a54737daf776c0ad59517563ea3d3ba1c278a9943e58a8d620df0e38ff60f609e4

  • SSDEEP

    3072:rqRAFgKD5iLDeZl/AtADljPzXbMrawgkeAubbixuB2MiOQHQRvOxop0o:rqKgmwfeZlVt7graw1uKoQwUn

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 3 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d693029cddf88f890c47f7cc60b58a8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8d693029cddf88f890c47f7cc60b58a8_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Windows\Wvopoa.exe
      C:\Windows\Wvopoa.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of UnmapMainImage
      PID:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\Tasks\{62C40AA6-4406-467a-A5A5-DFDF1B559B7A}.job

    Filesize

    372B

    MD5

    99ed06e344906a5ff8df06afeabffc05

    SHA1

    e5560a3d7127fecf5afeb7bdc9d0979c57ee596a

    SHA256

    d4d9e517763a84499de1cb66b01bdd56bb9f9b38235ee697c6184b46b661bd6c

    SHA512

    1ff915df1bd793bb2d58af5642891f1b5e446a2e96799d6fd26fd791813ad375a7e57bdfabba07499860ad8187c185dc3f5e3ed76060fc0b03409dde5f2b7409

  • C:\Windows\Wvopoa.exe

    Filesize

    351KB

    MD5

    8d693029cddf88f890c47f7cc60b58a8

    SHA1

    c5d0a280952b06612206168991c5fd93fbbb58b1

    SHA256

    d04544f5bdc06884d71d095b7f7048a7a4c86a5177787deaab076d52b3246203

    SHA512

    d75235c02a7edf6448175b7ffcd6d3985802ff29f05ffd69a2415afb377155a54737daf776c0ad59517563ea3d3ba1c278a9943e58a8d620df0e38ff60f609e4

  • memory/2340-49325-0x0000000000401000-0x0000000000402000-memory.dmp

    Filesize

    4KB

  • memory/2340-1-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2340-0-0x0000000000230000-0x0000000000231000-memory.dmp

    Filesize

    4KB

  • memory/2340-3-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2340-12-0x0000000000440000-0x000000000049A000-memory.dmp

    Filesize

    360KB

  • memory/2340-2-0x0000000000401000-0x0000000000402000-memory.dmp

    Filesize

    4KB

  • memory/2340-98893-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2340-49324-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2932-13-0x0000000000400000-0x000000000045A000-memory.dmp

    Filesize

    360KB

  • memory/2932-25806-0x0000000001D60000-0x0000000001E60000-memory.dmp

    Filesize

    1024KB

  • memory/2932-25819-0x0000000001D60000-0x0000000001E60000-memory.dmp

    Filesize

    1024KB

  • memory/2932-18-0x0000000000230000-0x0000000000260000-memory.dmp

    Filesize

    192KB

  • memory/2932-49323-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB

  • memory/2932-25815-0x0000000001D60000-0x0000000001E60000-memory.dmp

    Filesize

    1024KB

  • memory/2932-25810-0x0000000001D60000-0x0000000001E60000-memory.dmp

    Filesize

    1024KB

  • memory/2932-25767-0x0000000001D60000-0x0000000001E60000-memory.dmp

    Filesize

    1024KB

  • memory/2932-25801-0x0000000001D60000-0x0000000001E60000-memory.dmp

    Filesize

    1024KB

  • memory/2932-25797-0x0000000001D60000-0x0000000001E60000-memory.dmp

    Filesize

    1024KB

  • memory/2932-25792-0x0000000001D60000-0x0000000001E60000-memory.dmp

    Filesize

    1024KB

  • memory/2932-25788-0x0000000001D60000-0x0000000001E60000-memory.dmp

    Filesize

    1024KB

  • memory/2932-25783-0x0000000001D60000-0x0000000001E60000-memory.dmp

    Filesize

    1024KB

  • memory/2932-25779-0x0000000001D60000-0x0000000001E60000-memory.dmp

    Filesize

    1024KB

  • memory/2932-25766-0x0000000001D60000-0x0000000001E60000-memory.dmp

    Filesize

    1024KB

  • memory/2932-20-0x0000000000400000-0x000000000043B000-memory.dmp

    Filesize

    236KB