Analysis

  • max time kernel
    143s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19/09/2024, 04:38

General

  • Target

    ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe

  • Size

    1.8MB

  • MD5

    ea9959027a40f8f790dc0437babbe4f5

  • SHA1

    1a36009d24064efe1990191aa8f680f94b54a837

  • SHA256

    298ecd7b16625f49a3e79c0480788afdcfbe1bfd46e42f0871a544e27a75e665

  • SHA512

    a3b77ec01ca31de2fc42a4f08e91c21026dc4eca3cf7b71e970618988c50b654b7743b31fd59f24294e21796d5f1b40c6da2dd86f2f8c143eb6e1140289792c3

  • SSDEEP

    49152:+6hpLjGi4n7PvMlN9s1UgAmMkp12yX3dObIJfN:+LiKPvoKmgHMwndOi

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Checks computer location settings
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3668
    • C:\windows\java32\sckclnt.exe
      "C:\windows\java32\sckclnt.exe"
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Adds Run key to start application
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      PID:2128
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.bat" "
      2⤵
      • System Location Discovery: System Language Discovery
      PID:5084

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ea9959027a40f8f790dc0437babbe4f5_JaffaCakes118.bat

    Filesize

    296B

    MD5

    71f3caf9af9355ccc528e85a8f27bec8

    SHA1

    c9c2b5f44cd6e52fab6a49a0887392eef0a4b5c2

    SHA256

    6d814fa3827a0d1e3264248c352f93f010240e92817de1399c7cd1e2b549d6e5

    SHA512

    e1611e4b7332aa035655e04e7cdd68a113980e8e0037bd22e409fde86826538b1bd01b96f97158ccfa04f3d3585d12010eb053533ae627f5240420a4f5818c20

  • C:\Windows\java32\sckclnt.exe

    Filesize

    1.8MB

    MD5

    ea9959027a40f8f790dc0437babbe4f5

    SHA1

    1a36009d24064efe1990191aa8f680f94b54a837

    SHA256

    298ecd7b16625f49a3e79c0480788afdcfbe1bfd46e42f0871a544e27a75e665

    SHA512

    a3b77ec01ca31de2fc42a4f08e91c21026dc4eca3cf7b71e970618988c50b654b7743b31fd59f24294e21796d5f1b40c6da2dd86f2f8c143eb6e1140289792c3

  • memory/2128-41-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-35-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-52-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-51-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-50-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-36-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-49-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-48-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-47-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-46-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-26-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-27-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-28-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-29-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-45-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-31-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-32-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-33-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-44-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-34-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-43-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-37-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-38-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-39-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-40-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/2128-42-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/3668-0-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/3668-7-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/3668-3-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/3668-1-0x00000000772B4000-0x00000000772B6000-memory.dmp

    Filesize

    8KB

  • memory/3668-24-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/3668-23-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/3668-22-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/3668-2-0x0000000000401000-0x0000000000474000-memory.dmp

    Filesize

    460KB

  • memory/3668-6-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/3668-4-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB

  • memory/3668-5-0x0000000000400000-0x00000000009C2000-memory.dmp

    Filesize

    5.8MB