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Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    21/08/2024, 17:29

General

  • Target

    b45df5fcad70271accea4765fae44023_JaffaCakes118.exe

  • Size

    459KB

  • MD5

    b45df5fcad70271accea4765fae44023

  • SHA1

    c27459c9f8f0c93c07c372f3a27462265c15ed51

  • SHA256

    ee2886a41b40ff49ff95da87b336a2b4141ef52ca94c202b77ae00a806da041c

  • SHA512

    869a3073c013b751a0037c454d8078a8f5c3238d2a0df0175ae9308d745a07e3b59783504c1c7c784f2bf53812e88a24a527e575106f1fa57fa823128bce3e0e

  • SSDEEP

    12288:5ZGaHrMFg9mZ9Tyv9RhkboZD+bs1ZzqxxxFcN8zgHa8Mexup6O:LGaLMFg0Z9TDSMxrhzAZJ

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 5 IoCs

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

  • Adds Run key to start application 2 TTPs 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 behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b45df5fcad70271accea4765fae44023_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b45df5fcad70271accea4765fae44023_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1052
    • C:\ProgramData\bI28218BcFaK28218\bI28218BcFaK28218.exe
      "C:\ProgramData\bI28218BcFaK28218\bI28218BcFaK28218.exe" "C:\Users\Admin\AppData\Local\Temp\b45df5fcad70271accea4765fae44023_JaffaCakes118.exe"
      2⤵
      • Deletes itself
      • 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 AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:2852

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \ProgramData\bI28218BcFaK28218\bI28218BcFaK28218.exe

    Filesize

    459KB

    MD5

    72d2d0a78ea2b75190326ba25a1a21da

    SHA1

    7777d13558501d34e96e35922b3606084b29581b

    SHA256

    1ec7ec566ee140421495d147bc155b3510ebdb2a30f4fc20e4c3432bad6cff55

    SHA512

    02ffddb7df760d7362dddc433ff31b3dc74aa946c7d8843034d5d093fe99f960e984dfc3b9c227280d255e594d7a53349fdaf690db4f609c87981a20251eb93b

  • memory/1052-1-0x0000000000400000-0x00000000004BF000-memory.dmp

    Filesize

    764KB

  • memory/1052-2-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/1052-19-0x0000000000400000-0x00000000004BF000-memory.dmp

    Filesize

    764KB

  • memory/1052-18-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2852-22-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2852-31-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB

  • memory/2852-41-0x0000000000400000-0x00000000004C1000-memory.dmp

    Filesize

    772KB