Analysis

  • max time kernel
    122s
  • max time network
    126s
  • platform
    windows7_x64
  • resource
    win7-20240705-en
  • resource tags

    arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
  • submitted
    16/07/2024, 04:59

General

  • Target

    4ce334124eeee895b88a048235a106e6_JaffaCakes118.exe

  • Size

    729KB

  • MD5

    4ce334124eeee895b88a048235a106e6

  • SHA1

    3445e2ede035165c0050c99e27a5a1a5a2c5d974

  • SHA256

    2992c64b610cfa21361248d86f3b78928dffe0d09a86189f8150d9c000605f2a

  • SHA512

    9ba0931bd9280f0400d2e34541fda24442df938f955cfdd8f5bb3378d06595c4154814d8591dac5e373c0a912f5afdc29745875734a87218006977beb098e1e0

  • SSDEEP

    12288:I/yjDEAYTJfHbZZU3MHfJkRlTATvQZJI2JKWt/yhsdEoT+R9YW:mWEAYdfHbZZU3MxoTAsJFwiyhsyoc9L

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Loads dropped DLL 4 IoCs
  • UPX packed file 4 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ce334124eeee895b88a048235a106e6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4ce334124eeee895b88a048235a106e6_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Checks BIOS information in registry
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2312

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Windows\SysWOW64\MSWINSCK.OCX

          Filesize

          121KB

          MD5

          e8a2190a9e8ee5e5d2e0b599bbf9dda6

          SHA1

          4e97bf9519c83835da9db309e61ec87ddf165167

          SHA256

          80ab0b86de58a657956b2a293bd9957f78e37e7383c86d6cd142208c153b6311

          SHA512

          57f8473eedaf7e8aad3b5bcbb16d373fd6aaec290c3230033fc50b5ec220e93520b8915c936e758bb19107429a49965516425350e012f8db0de6d4f6226b42ee

        • memory/2312-11-0x000000000040B000-0x000000000040E000-memory.dmp

          Filesize

          12KB

        • memory/2312-6-0x00000000004D0000-0x000000000059F000-memory.dmp

          Filesize

          828KB

        • memory/2312-7-0x00000000004D0000-0x000000000059F000-memory.dmp

          Filesize

          828KB

        • memory/2312-9-0x0000000000400000-0x00000000004CF000-memory.dmp

          Filesize

          828KB

        • memory/2312-10-0x0000000000360000-0x00000000003D0000-memory.dmp

          Filesize

          448KB

        • memory/2312-0-0x0000000000400000-0x00000000004CF000-memory.dmp

          Filesize

          828KB

        • memory/2312-8-0x0000000000400000-0x00000000004CF000-memory.dmp

          Filesize

          828KB

        • memory/2312-1-0x0000000000360000-0x00000000003D0000-memory.dmp

          Filesize

          448KB

        • memory/2312-24-0x0000000000360000-0x00000000003D0000-memory.dmp

          Filesize

          448KB

        • memory/2312-26-0x0000000000360000-0x00000000003D0000-memory.dmp

          Filesize

          448KB

        • memory/2312-27-0x0000000000400000-0x00000000004CF000-memory.dmp

          Filesize

          828KB

        • memory/2312-28-0x00000000004D0000-0x000000000059F000-memory.dmp

          Filesize

          828KB