Analysis

  • max time kernel
    141s
  • max time network
    161s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 01:20

General

  • Target

    fe18a771d1c8347c8aa41c71bc938af2_JaffaCakes118.exe

  • Size

    674KB

  • MD5

    fe18a771d1c8347c8aa41c71bc938af2

  • SHA1

    58dd91d8106efb1aa780272859fd8486ed4767c9

  • SHA256

    060e282c96c736aa615d2ff2248d28ca6e4fef6549789d7c6a1efe6d2afa7217

  • SHA512

    e4e4736f798c8637163b0340a5b21edd4c6d83a96f43f255e57f590d02a38b1db6beae17b5e08e2a3d4b67d7c02335b898a62f87c330220ccf90ae6707725730

  • SSDEEP

    12288:rCRO7YJnY+ndmFWp9QYKctiH0bPbzYVlEYZHJBitDEK9f3ajKG7DfyG6e:OROclJ0Q9+cthjUlE2HLj8f3aD7DqG6e

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\fe18a771d1c8347c8aa41c71bc938af2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fe18a771d1c8347c8aa41c71bc938af2_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:4820
    • C:\Users\Admin\AppData\Local\Temp\n4194\s4194.exe
      "C:\Users\Admin\AppData\Local\Temp\n4194\s4194.exe" 7576b612c62ce54cdbcbc996T2PPX/t23CUphdpsERVj4pU2yun2DRP6P9pksLiAyODIFizVLdKblA+UgWFEnI/HlXDxFZj9wrKn7Bxfb5SzwPCeHrtmUKyxRmMPHVJx0M77BcJYvNHGrYBIRy8HU6K5w0i914rEcaHiWQKnzmZggDI5TLmaYWAyhlThJXY= /v "C:\Users\Admin\AppData\Local\Temp\fe18a771d1c8347c8aa41c71bc938af2_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:3132
  • 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=3592 --field-trial-handle=2328,i,5873823382323802923,13134441441264702821,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3052

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n4194\s4194.exe

      Filesize

      350KB

      MD5

      fa6ed0f7848455d3f0929a2954f39c47

      SHA1

      41d67fd1285246b71a7ffb7b3b7debc0f71d3bbf

      SHA256

      f9cdc17ae98b92e4dd757e07dc7966d845cef242d549fdc0587e8e548062df46

      SHA512

      463ef43ec36dd5c65fab50312df35a647840db4b8aab779fdfebdb3988a36effedd6b6a91e4b8eb7f9b38f9989bd793a8b0ca64f292310caa1b71747ca1b0d92

    • memory/3132-12-0x00007FFCE8C60000-0x00007FFCE9601000-memory.dmp

      Filesize

      9.6MB

    • memory/3132-13-0x00000000012C0000-0x00000000012D0000-memory.dmp

      Filesize

      64KB

    • memory/3132-27-0x0000000001570000-0x0000000001580000-memory.dmp

      Filesize

      64KB

    • memory/3132-30-0x000000001C7B0000-0x000000001CC7E000-memory.dmp

      Filesize

      4.8MB

    • memory/3132-31-0x000000001CD20000-0x000000001CDBC000-memory.dmp

      Filesize

      624KB

    • memory/3132-32-0x00000000012C0000-0x00000000012D0000-memory.dmp

      Filesize

      64KB

    • memory/3132-33-0x00007FFCE8C60000-0x00007FFCE9601000-memory.dmp

      Filesize

      9.6MB

    • memory/3132-34-0x000000001CEE0000-0x000000001CF42000-memory.dmp

      Filesize

      392KB

    • memory/3132-35-0x00007FFCE8C60000-0x00007FFCE9601000-memory.dmp

      Filesize

      9.6MB

    • memory/3132-36-0x00000000012C0000-0x00000000012D0000-memory.dmp

      Filesize

      64KB

    • memory/3132-37-0x00000000012C0000-0x00000000012D0000-memory.dmp

      Filesize

      64KB

    • memory/3132-38-0x00000000218E0000-0x0000000021DEE000-memory.dmp

      Filesize

      5.1MB

    • memory/3132-40-0x00007FFCE8C60000-0x00007FFCE9601000-memory.dmp

      Filesize

      9.6MB