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Analysis

  • max time kernel
    131s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/07/2024, 12:24

General

  • Target

    2c55296854a479bc3a4424fccc936777_JaffaCakes118.exe

  • Size

    245KB

  • MD5

    2c55296854a479bc3a4424fccc936777

  • SHA1

    c8d0923edd2945d8c7cf6bb45dafd24f1cef49c3

  • SHA256

    85c12695e55bf807ab94c32775c331925dbf2aa8c260ac411720c885936b3da9

  • SHA512

    657dce9f88d5d54ccc97be99a86d1f5ece979282a7e2dbb1d0ac34bae0c945c27dba07c9a17639fe453ca05cc4d0491acc72ab3f4e35b219db00f2884eb1a46d

  • SSDEEP

    6144:ZcWMJJhqryYP/daq72SeNckyNOmWp7fkQdpeKZ:ZczJJhqrVPlOSeNclNJWpzvYe

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3428
      • C:\Users\Admin\AppData\Local\Temp\2c55296854a479bc3a4424fccc936777_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\2c55296854a479bc3a4424fccc936777_JaffaCakes118.exe"
        2⤵
        • Checks computer location settings
        • Suspicious use of WriteProcessMemory
        PID:4052
        • C:\Users\Admin\AppData\Local\Temp\sffer.exe
          "C:\Users\Admin\AppData\Local\Temp\sffer.exe"
          3⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:1688
    • 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=4136,i,3027467512973953085,11878940668304988630,262144 --variations-seed-version --mojo-platform-channel-handle=4348 /prefetch:8
      1⤵
        PID:1808

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Temp\sffer.exe

        Filesize

        161KB

        MD5

        9cf1e593612130d008e6d14f20fdb8a8

        SHA1

        544fd2ca92534abf6734109646fb0624d69afe28

        SHA256

        2b2b22f904ba7de1de4fdebce13da0d4281e70de7aa206ee58049712f75d64de

        SHA512

        fc09589857506e5145ea05f530098b0449aa82cf71f61332413837bd7316a4372253b20d4cd09627e3233d17c8ea09afe6880e06dcf53c9653e57117c614c22b

      • memory/1688-12-0x0000000000401000-0x0000000000403000-memory.dmp

        Filesize

        8KB

      • memory/1688-13-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1688-14-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/1688-15-0x0000000000400000-0x0000000000428000-memory.dmp

        Filesize

        160KB

      • memory/3428-16-0x000000007FFF0000-0x000000007FFF7000-memory.dmp

        Filesize

        28KB

      • memory/3428-17-0x000000007FFD0000-0x000000007FFD1000-memory.dmp

        Filesize

        4KB