Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/05/2024, 03:52

General

  • Target

    743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe

  • Size

    517KB

  • MD5

    743f2e8bfe0f812fbecdee7f28a42467

  • SHA1

    d8cf02e20e6ae51e2762ce045c7b00241d2f8db6

  • SHA256

    026403bb71cc383118ce8d2550c0fd8d75624c87b3e8d1663d2d6d984864b978

  • SHA512

    2baa28d247812581688f9d8afdbbe2581ba500ad55030b428ab0916e74f89d12426378df91f7131d89adb6cac3a17cac5a42c1a9c8b21c5f8cd9b4f59ff962dd

  • SSDEEP

    12288:AmUqR5z0FOTC1NXIHfpJYlY/Qy5eEG30LC+MCW1qrQpPt/0KuV:AmUqqOTAXIHfpOcQ6JG30L/MCW1yQpiB

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).

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_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:2536
    • C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe
      "C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe" ins.exe /u 8765b7a1-1326-11e4-8a58-80c16e6f498c /e 13029947 /h ef64a6.api.socdn.com /v "C:\Users\Admin\AppData\Local\Temp\743f2e8bfe0f812fbecdee7f28a42467_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
      • Suspicious use of SetWindowsHookEx
      PID:5092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 3912
      2⤵
      • Program crash
      PID:5000
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2536 -ip 2536
    1⤵
      PID:4580

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\n3168\s3168.exe

            Filesize

            339KB

            MD5

            0e88682aeba4d7ef923b316f97f990ba

            SHA1

            a54a0df52206ab79c0ad19be7402ab8564b7ad8c

            SHA256

            6be0358b2703e0e317ec4ddefbc320014b3c2a14eb1d959b0ed399586fd2bba1

            SHA512

            c0755f0b6fd5d01872464c1fa4b3d11c4ad4fd84f355bc9a9938bc5057373c18753915eeaabd31eb1db5cd95399a5b5083de31f11b55adba58316082421607c6

          • memory/5092-14-0x00007FFBF4A65000-0x00007FFBF4A66000-memory.dmp

            Filesize

            4KB

          • memory/5092-15-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

            Filesize

            9.6MB

          • memory/5092-22-0x000000001B0A0000-0x000000001B0AE000-memory.dmp

            Filesize

            56KB

          • memory/5092-25-0x000000001BD90000-0x000000001C25E000-memory.dmp

            Filesize

            4.8MB

          • memory/5092-26-0x000000001B800000-0x000000001B89C000-memory.dmp

            Filesize

            624KB

          • memory/5092-27-0x000000001C580000-0x000000001C5E2000-memory.dmp

            Filesize

            392KB

          • memory/5092-28-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

            Filesize

            9.6MB

          • memory/5092-29-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

            Filesize

            9.6MB

          • memory/5092-30-0x000000001C260000-0x000000001C268000-memory.dmp

            Filesize

            32KB

          • memory/5092-31-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

            Filesize

            9.6MB

          • memory/5092-32-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

            Filesize

            9.6MB

          • memory/5092-33-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

            Filesize

            9.6MB

          • memory/5092-34-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

            Filesize

            9.6MB

          • memory/5092-35-0x000000001E030000-0x000000001E16C000-memory.dmp

            Filesize

            1.2MB

          • memory/5092-36-0x00000000200F0000-0x00000000205FE000-memory.dmp

            Filesize

            5.1MB

          • memory/5092-37-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

            Filesize

            9.6MB

          • memory/5092-38-0x00007FFBF4A65000-0x00007FFBF4A66000-memory.dmp

            Filesize

            4KB

          • memory/5092-39-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

            Filesize

            9.6MB

          • memory/5092-40-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

            Filesize

            9.6MB

          • memory/5092-42-0x00007FFBF47B0000-0x00007FFBF5151000-memory.dmp

            Filesize

            9.6MB