Analysis

  • max time kernel
    141s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 05:26

General

  • Target

    7474f12c5be05df4cadcebae7f3f1450_JaffaCakes118.exe

  • Size

    674KB

  • MD5

    7474f12c5be05df4cadcebae7f3f1450

  • SHA1

    ac93b078c403c4d1b8d9d7e4a6dd00a7c0c05429

  • SHA256

    13afbc836cda9c91305d2727666488abc4f37bdb7dffe0fa2de5b7eceb6ffb4e

  • SHA512

    01889a88596e86ddb11896c2786e8fb1e056980e00601c2409e2c4905f6c9174fa60214f94e0daa0d1346afd2b5f1085a70f01f5fd637b40d0c97a70cd3e3eb6

  • SSDEEP

    12288:erHa2pr8p8HPbRUT6aODiaQi8/EfqiTiU4ORT7IIps/gs8j:wHa2pcaPbR6hOpIiTP4ORT73s4s8j

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).

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 4 IoCs
  • Modifies system certificate store 2 TTPs 7 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7474f12c5be05df4cadcebae7f3f1450_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7474f12c5be05df4cadcebae7f3f1450_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:228
    • C:\Users\Admin\AppData\Local\Temp\n8896\s8896.exe
      "C:\Users\Admin\AppData\Local\Temp\n8896\s8896.exe" fc3038f1befa108e4acd9f6bKf/gxK8P6deR8oX73wO3F5KX37AQr9q8MSVjM7sDmXDNBaYVuXaTSZ3VAxjmGq2FEFEf91vtgIwNEpNWNQTkTAgIQSMJWa6jprQpcOMYGW8+zkG3ciLy3kRiC8RwPH5aC6AwWQUKidSVnkLecGuogrPjFi5ERb6FmspWDhM= /v "C:\Users\Admin\AppData\Local\Temp\7474f12c5be05df4cadcebae7f3f1450_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious use of WriteProcessMemory
      PID:1804
      • C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
        dw20.exe -x -s 1756
        3⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious use of AdjustPrivilegeToken
        PID:2220
  • 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=4072 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:388

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n8896\s8896.exe

      Filesize

      373KB

      MD5

      699b9da49156b81e3b03fbe049c73ee3

      SHA1

      0bc9c15d3bd733d4e442a933937e53b91c981926

      SHA256

      ebffa57d6d5a242801b83eb3eab3da448877f09cd617795a52b9dbc8618099d0

      SHA512

      693ddb9dcfa943b3f653011e05afa2696d0070103e5326334a9a7eaef2cc916de769bf2308c30666de99564d20186f90bb3beb9188bf2f19b4134c77f733a22a

    • memory/1804-12-0x00007FF9EA835000-0x00007FF9EA836000-memory.dmp

      Filesize

      4KB

    • memory/1804-13-0x00007FF9EA580000-0x00007FF9EAF21000-memory.dmp

      Filesize

      9.6MB

    • memory/1804-27-0x000000001BF30000-0x000000001BF40000-memory.dmp

      Filesize

      64KB

    • memory/1804-30-0x000000001C580000-0x000000001CA4E000-memory.dmp

      Filesize

      4.8MB

    • memory/1804-31-0x00007FF9EA835000-0x00007FF9EA836000-memory.dmp

      Filesize

      4KB

    • memory/1804-32-0x000000001CAF0000-0x000000001CB8C000-memory.dmp

      Filesize

      624KB

    • memory/1804-33-0x00007FF9EA580000-0x00007FF9EAF21000-memory.dmp

      Filesize

      9.6MB

    • memory/1804-34-0x00007FF9EA580000-0x00007FF9EAF21000-memory.dmp

      Filesize

      9.6MB

    • memory/1804-41-0x00007FF9EA580000-0x00007FF9EAF21000-memory.dmp

      Filesize

      9.6MB