Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    01-08-2024 21:34

General

  • Target

    81ce35652b20a42793957871754de915_JaffaCakes118.exe

  • Size

    2.4MB

  • MD5

    81ce35652b20a42793957871754de915

  • SHA1

    2e819fb982dfb4e7e05fac8c89d0ae63565f7ae9

  • SHA256

    7006bd37fe79f2acd4b127506a2787486d5eb2194ae7afeda5f0748937ed2489

  • SHA512

    71986250889c28191914f0411713682ba13ddf0d54b256efde36144605c434da7f3e3c329421e7a7d74b00b50b9ba8fdc74533758ae405c921225d75d6adfd97

  • SSDEEP

    49152:YzT61fZ5C5n0NJPyOztvmsFd1GEXae05YK6qDl3VzpzD1MVuVR1nvLaAo55NTEdx:Y6CnYpZMs9GhOK6khVRWViR1vLaXEP

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 6 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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 3 IoCs
  • Modifies registry class 10 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\81ce35652b20a42793957871754de915_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\81ce35652b20a42793957871754de915_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Users\Admin\AppData\Local\Temp\81ce35652b20a42793957871754de915_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\81ce35652b20a42793957871754de915_JaffaCakes118.exe
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:764
      • C:\Windows\Temp\¡¶½ðƿ÷¡·£¨³çìõÔ­°æ×ã±¾´ø²åͼ£©.exe
        "C:\Windows\Temp\¡¶½ðƿ÷¡·£¨³çìõÔ­°æ×ã±¾´ø²åͼ£©.exe"
        3⤵
        • Executes dropped EXE
        • Enumerates connected drives
        • System Location Discovery: System Language Discovery
        • Modifies Internet Explorer settings
        • Modifies registry class
        • Suspicious use of SetWindowsHookEx
        PID:2960
      • C:\Users\Admin\AppData\Local\Temp\ASPNETSetup_00000.log
        C:\Users\Admin\AppData\Local\Temp\\ASPNETSetup_00000.log
        3⤵
        • Executes dropped EXE
        • Writes to the Master Boot Record (MBR)
        • System Location Discovery: System Language Discovery
        PID:2236

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\ASPNETSetup_00000.log

    Filesize

    821KB

    MD5

    bdbdbcec830a7700808b8dd554e40797

    SHA1

    ba1e332958bed440e48f06e9d282050052ca67a7

    SHA256

    379e7d300aaea3d06f53cbfa7361c6f6b2ae1a92c5d23fa13ce55ea8e3a9bc81

    SHA512

    56743b7bce71c163067bfc02e442f4c51dc85b61cc5b955d2803c36f1377a233b08ab369a39c6b1704d04c6bfe2c857f203242acc0c85d0580f1389e2b3207a8

  • \Windows\Temp\¡¶½ðƿ÷¡·£¨³çìõÔ­°æ×ã±¾´ø²åͼ£©.exe

    Filesize

    1.9MB

    MD5

    a7afeb863819845cf532b84eb859425e

    SHA1

    c1b9be6d56b3bb0c7203c39b86fd0407bcbac503

    SHA256

    6f038a4a3fb92ed551b240847c92ae9cc3f11d7d028a26a3cdaa8649d6c7c630

    SHA512

    a7a19f23073de97f1318520e06e8ad37c59e9807f134607c2c1c9fdbdd10e83932d6908419e02c0619c27ee4cdb144075972abb91d82853fe7683df7914b4f12

  • memory/2236-23-0x0000000000400000-0x0000000001968000-memory.dmp

    Filesize

    21.4MB

  • memory/2236-25-0x0000000000400000-0x0000000001968000-memory.dmp

    Filesize

    21.4MB

  • memory/2960-44-0x0000000007500000-0x000000000750A000-memory.dmp

    Filesize

    40KB

  • memory/2960-46-0x0000000007500000-0x000000000750A000-memory.dmp

    Filesize

    40KB

  • memory/2960-45-0x0000000007500000-0x000000000750A000-memory.dmp

    Filesize

    40KB

  • memory/2960-43-0x0000000007500000-0x000000000750A000-memory.dmp

    Filesize

    40KB

  • memory/2960-49-0x0000000000400000-0x00000000004AC000-memory.dmp

    Filesize

    688KB

  • memory/2960-50-0x0000000000400000-0x00000000004AC000-memory.dmp

    Filesize

    688KB

  • memory/2960-51-0x0000000007500000-0x000000000750A000-memory.dmp

    Filesize

    40KB

  • memory/2960-53-0x0000000007500000-0x000000000750A000-memory.dmp

    Filesize

    40KB

  • memory/2960-52-0x0000000007500000-0x000000000750A000-memory.dmp

    Filesize

    40KB