Analysis

  • max time kernel
    142s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 07:19

General

  • Target

    1fdc8aa2d2810a3efd2d9d071071bbf1_JaffaCakes118.exe

  • Size

    671KB

  • MD5

    1fdc8aa2d2810a3efd2d9d071071bbf1

  • SHA1

    c4f7642e5cc6f8c8e73c3d44164c362685d7da5d

  • SHA256

    122e180e35ffecf3567ee18540eb242d69859cf37f70cb7235a6980f304b8bf3

  • SHA512

    4da3faced93a5e6c9a0bc9a84f95ed86494ef18f497f2c542d42c129d50beb0cf8568149e8d2742e49763e2257498ec3e7802cfc1bcd3c5e6cfe70e88a86c882

  • SSDEEP

    12288:SZJ7G1zskWtP44444ItPZkTKpPwHb/dgusOlMLSTQNirbCfrL6R:qJ7Uzj4yUo7Fdle8WIbCL6R

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1fdc8aa2d2810a3efd2d9d071071bbf1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1fdc8aa2d2810a3efd2d9d071071bbf1_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:5076
    • C:\Users\Admin\AppData\Local\Temp\n1338\s1338.exe
      "C:\Users\Admin\AppData\Local\Temp\n1338\s1338.exe" b1120043b61c1e4b4d4870e3qS2WcQs3IORSBwQPvOzA+S8fhT/QjOIle/C+mVUi08klvrBjegxnlr+IDWIt1ODXef+zx5MEjN/suQrQtlDwG/atdoG2qWlRSa5JU6ugsPkdRAcrwmoWYB8vafBlFhmgh7fdj0OovhS3PFMpD4shlppaENpu1n3k35nE0xI= /v "C:\Users\Admin\AppData\Local\Temp\1fdc8aa2d2810a3efd2d9d071071bbf1_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4132
  • 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 --no-appcompat-clear --mojo-platform-channel-handle=3020 --field-trial-handle=3060,i,1774866140584649235,8085848018931772189,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4924

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n1338\s1338.exe

      Filesize

      350KB

      MD5

      fa6ed0f7848455d3f0929a2954f39c47

      SHA1

      41d67fd1285246b71a7ffb7b3b7debc0f71d3bbf

      SHA256

      f9cdc17ae98b92e4dd757e07dc7966d845cef242d549fdc0587e8e548062df46

      SHA512

      463ef43ec36dd5c65fab50312df35a647840db4b8aab779fdfebdb3988a36effedd6b6a91e4b8eb7f9b38f9989bd793a8b0ca64f292310caa1b71747ca1b0d92

    • memory/4132-12-0x00007FFA36965000-0x00007FFA36966000-memory.dmp

      Filesize

      4KB

    • memory/4132-13-0x00007FFA366B0000-0x00007FFA37051000-memory.dmp

      Filesize

      9.6MB

    • memory/4132-14-0x00007FFA366B0000-0x00007FFA37051000-memory.dmp

      Filesize

      9.6MB

    • memory/4132-30-0x000000001BDC0000-0x000000001BDD0000-memory.dmp

      Filesize

      64KB

    • memory/4132-33-0x000000001CBB0000-0x000000001D07E000-memory.dmp

      Filesize

      4.8MB

    • memory/4132-34-0x000000001D120000-0x000000001D1BC000-memory.dmp

      Filesize

      624KB

    • memory/4132-35-0x00007FFA366B0000-0x00007FFA37051000-memory.dmp

      Filesize

      9.6MB

    • memory/4132-36-0x000000001D300000-0x000000001D362000-memory.dmp

      Filesize

      392KB

    • memory/4132-37-0x00007FFA366B0000-0x00007FFA37051000-memory.dmp

      Filesize

      9.6MB

    • memory/4132-38-0x00007FFA366B0000-0x00007FFA37051000-memory.dmp

      Filesize

      9.6MB

    • memory/4132-39-0x0000000021800000-0x0000000021D0E000-memory.dmp

      Filesize

      5.1MB

    • memory/4132-41-0x00007FFA366B0000-0x00007FFA37051000-memory.dmp

      Filesize

      9.6MB