Analysis

  • max time kernel
    140s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25/08/2024, 09:17

General

  • Target

    c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe

  • Size

    141KB

  • MD5

    c06b83f3b18dd8b95c8dbc2768d2bcc4

  • SHA1

    6945940d41d3d5f12b3f2d984d7a1aadf48a5b14

  • SHA256

    60e2158617e48257c3b05f55506b363bf826313359815f5a7527613b07bd3d29

  • SHA512

    0a8dd91ab4b7e7322ea4c32d3b358499b2fab9ec95a869295e0839162816918982e9959920c5a61939355574a6a1c7dd1caf83a83b3a96d515c100d6a741001c

  • SSDEEP

    3072:sY1qsHZzq7Mex1mc9ek/FmDJF4hNekjNpdoMbOWr/0oaCHWFkBBB:OWmll96F4neeNDYQWS7

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • UPX packed file 10 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 3 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.

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c06b83f3b18dd8b95c8dbc2768d2bcc4_JaffaCakes118.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4888
    • \??\c:\windows\kernels32.exe
      c:\windows\kernels32.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:1408
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=3056,i,1828333185976713750,7918646547767660928,262144 --variations-seed-version --mojo-platform-channel-handle=4448 /prefetch:8
    1⤵
      PID:4436

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • \??\c:\windows\kernels32.exe

            Filesize

            141KB

            MD5

            c06b83f3b18dd8b95c8dbc2768d2bcc4

            SHA1

            6945940d41d3d5f12b3f2d984d7a1aadf48a5b14

            SHA256

            60e2158617e48257c3b05f55506b363bf826313359815f5a7527613b07bd3d29

            SHA512

            0a8dd91ab4b7e7322ea4c32d3b358499b2fab9ec95a869295e0839162816918982e9959920c5a61939355574a6a1c7dd1caf83a83b3a96d515c100d6a741001c

          • memory/1408-8-0x0000000000400000-0x00000000005A7000-memory.dmp

            Filesize

            1.7MB

          • memory/1408-13-0x0000000000400000-0x00000000005A7000-memory.dmp

            Filesize

            1.7MB

          • memory/1408-16-0x0000000000400000-0x00000000005A7000-memory.dmp

            Filesize

            1.7MB

          • memory/1408-17-0x0000000000400000-0x00000000005A7000-memory.dmp

            Filesize

            1.7MB

          • memory/1408-20-0x0000000000400000-0x00000000005A7000-memory.dmp

            Filesize

            1.7MB

          • memory/1408-21-0x0000000000400000-0x00000000005A7000-memory.dmp

            Filesize

            1.7MB

          • memory/1408-22-0x0000000000400000-0x00000000005A7000-memory.dmp

            Filesize

            1.7MB

          • memory/4888-0-0x0000000000400000-0x00000000005A7000-memory.dmp

            Filesize

            1.7MB

          • memory/4888-12-0x0000000000400000-0x00000000005A7000-memory.dmp

            Filesize

            1.7MB