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Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    23/07/2024, 15:54

General

  • Target

    6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe

  • Size

    226KB

  • MD5

    6838e7456102a1e9ea00059205e42418

  • SHA1

    5add4083a2ce784a22f5f543f9bb51d8da9a0fe6

  • SHA256

    f642293be37b95c23bfc994a7eb76e35337e86a2315fe18a314d16623257b194

  • SHA512

    0dc1740a0bca44ac776b0f84850bf74f6ad534913973c4fe80ce14b4ab72965a52d4b6b12d920f3851912c0336ed71111996df2d475fbf0064bdf59fcaaab855

  • SSDEEP

    6144:FKsp/bS6Hjj08VRCnKpYQEQP2uCmD8BVoPKx1wjIik:FrxVH/0QP21mwvDx1bB

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 4 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • UPX packed file 10 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Modifies WinLogon 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 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 1 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2796
    • C:\Users\Admin\AppData\Local\Temp\6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\6838e7456102a1e9ea00059205e42418_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Boot or Logon Autostart Execution: Active Setup
      • Disables RegEdit via registry modification
      • Adds Run key to start application
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:2672

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\GA43GQEJ\NewErrorPageTemplate[1]

    Filesize

    1KB

    MD5

    cdf81e591d9cbfb47a7f97a2bcdb70b9

    SHA1

    8f12010dfaacdecad77b70a3e781c707cf328496

    SHA256

    204d95c6fb161368c795bb63e538fe0b11f9e406494bb5758b3b0d60c5f651bd

    SHA512

    977dcc2c6488acaf0e5970cef1a7a72c9f9dc6bb82da54f057e0853c8e939e4ab01b163eb7a5058e093a8bc44ecad9d06880fdc883e67e28ac67fee4d070a4cc

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\GA43GQEJ\dnserrordiagoff[2]

    Filesize

    1KB

    MD5

    47f581b112d58eda23ea8b2e08cf0ff0

    SHA1

    6ec1df5eaec1439573aef0fb96dabfc953305e5b

    SHA256

    b1c947d00db5fce43314c56c663dbeae0ffa13407c9c16225c17ccefc3afa928

    SHA512

    187383eef3d646091e9f68eff680a11c7947b3d9b54a78cc6de4a04629d7037e9c97673ac054a6f1cf591235c110ca181a6b69ecba0e5032168f56f4486fff92

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\GA43GQEJ\errorPageStrings[1]

    Filesize

    2KB

    MD5

    e3e4a98353f119b80b323302f26b78fa

    SHA1

    20ee35a370cdd3a8a7d04b506410300fd0a6a864

    SHA256

    9466d620dc57835a2475f8f71e304f54aee7160e134ba160baae0f19e5e71e66

    SHA512

    d8e4d73c76804a5abebd5dbc3a86dcdb6e73107b873175a8de67332c113fb7c4899890bf7972e467866fa4cd100a7e2a10a770e5a9c41cbf23b54351b771dcee

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\GA43GQEJ\httpErrorPagesScripts[1]

    Filesize

    8KB

    MD5

    3f57b781cb3ef114dd0b665151571b7b

    SHA1

    ce6a63f996df3a1cccb81720e21204b825e0238c

    SHA256

    46e019fa34465f4ed096a9665d1827b54553931ad82e98be01edb1ddbc94d3ad

    SHA512

    8cbf4ef582332ae7ea605f910ad6f8a4bc28513482409fa84f08943a72cac2cf0fa32b6af4c20c697e1fac2c5ba16b5a64a23af0c11eefbf69625b8f9f90c8fa

  • memory/2672-3-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2672-39-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2672-16-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2672-14-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2672-1-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2672-9-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2672-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2672-5-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2672-12-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2672-19-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2672-15-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2672-17-0x0000000000400000-0x000000000047A000-memory.dmp

    Filesize

    488KB

  • memory/2796-0-0x0000000000280000-0x00000000002AE000-memory.dmp

    Filesize

    184KB

  • memory/2796-11-0x0000000000400000-0x000000000043E000-memory.dmp

    Filesize

    248KB

  • memory/2796-10-0x0000000000280000-0x00000000002AE000-memory.dmp

    Filesize

    184KB