Analysis

  • max time kernel
    138s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 16:30

General

  • Target

    63f7b76d8842007e570fb765c8ef6982_JaffaCakes118.exe

  • Size

    628KB

  • MD5

    63f7b76d8842007e570fb765c8ef6982

  • SHA1

    ae76aec2194f24fb358238618255c6a6bba5dc79

  • SHA256

    04d8335d52a7e49278f09f21caab430da2517a26f49c8488a66bbc96c425da10

  • SHA512

    af439ed015ad7bc96c3926f1dcc89a351bdac0976cef6e8878f2a4c1f6ce9a5f3e9d2c0bf6a57a3a42dbba3d397bdcc2e9e237d499a4ba92c19dcc7faddadab8

  • SSDEEP

    12288:eL4MO+THTJZVyWW9Xl6nHZDQQXiPYURmjDAOu7Q944dc6H:o4MO+Vx+M1OPoO7tGc6H

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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63f7b76d8842007e570fb765c8ef6982_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\63f7b76d8842007e570fb765c8ef6982_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:3152
    • C:\Users\Admin\AppData\Local\Temp\n6143\s6143.exe
      "C:\Users\Admin\AppData\Local\Temp\n6143\s6143.exe" d747ba38f4c5807933aefeacW+QTFB7xd3+Teh6k3irSLDF+5TctY7XN159i99oSmrr8qp+z0fiYRRPP5zwTHzqhllDiIsapml+hs+osQ3Lyj7TZn0/lRdBPgAuFKc4MWSuwBaJ23muJDg6CMj+gy2XqUNQPt065pRr2x7I44s6YWjl+IQxHe8KwebBC7DHQ /v "C:\Users\Admin\AppData\Local\Temp\63f7b76d8842007e570fb765c8ef6982_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:4512
  • 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=4092 --field-trial-handle=2276,i,11674642242468042059,14711253743544118298,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4324

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n6143\s6143.exe

      Filesize

      350KB

      MD5

      39b961520af5ab4b1420140e76e0fd2f

      SHA1

      96c6c87fd9b46625e1f364d833a8231d463f0fd5

      SHA256

      0533cd8f934b9763d09a1e164ac02b67d6df34eb7584f783adaf7a777ce48cea

      SHA512

      69d86ce653e8f5ab7c9c45e9e05dd5a12b31d739fef0881e63c917fe0ccbe9177b59e92b33dd3774d53bdd1837abb571bea43fd1297ecf4359b607716454668a

    • memory/4512-12-0x00007FFA06275000-0x00007FFA06276000-memory.dmp

      Filesize

      4KB

    • memory/4512-13-0x00007FFA05FC0000-0x00007FFA06961000-memory.dmp

      Filesize

      9.6MB

    • memory/4512-14-0x00007FFA05FC0000-0x00007FFA06961000-memory.dmp

      Filesize

      9.6MB

    • memory/4512-28-0x000000001B3E0000-0x000000001B3F0000-memory.dmp

      Filesize

      64KB

    • memory/4512-31-0x000000001C120000-0x000000001C5EE000-memory.dmp

      Filesize

      4.8MB

    • memory/4512-32-0x000000001C690000-0x000000001C72C000-memory.dmp

      Filesize

      624KB

    • memory/4512-33-0x00007FFA05FC0000-0x00007FFA06961000-memory.dmp

      Filesize

      9.6MB

    • memory/4512-34-0x000000001C880000-0x000000001C8E2000-memory.dmp

      Filesize

      392KB

    • memory/4512-35-0x00007FFA05FC0000-0x00007FFA06961000-memory.dmp

      Filesize

      9.6MB

    • memory/4512-36-0x00007FFA05FC0000-0x00007FFA06961000-memory.dmp

      Filesize

      9.6MB

    • memory/4512-37-0x0000000020E80000-0x000000002138E000-memory.dmp

      Filesize

      5.1MB

    • memory/4512-39-0x00007FFA05FC0000-0x00007FFA06961000-memory.dmp

      Filesize

      9.6MB