Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 10:53

General

  • Target

    630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe

  • Size

    1.5MB

  • MD5

    630ab459be2675ab53b9a3e4eeba9110

  • SHA1

    77f8b36c24cd0de2dcfe86b96e403bfad9d91112

  • SHA256

    a5a60f5bef193b80117238e77eb20fccf1c72809dbf5af44bc588ab591b41c61

  • SHA512

    33dce0472a05889df913693b80d4002a7dfab036f0201fa38d011cb7d9406146d6f34525023ed24131efa2ad754fad8715eec6359fe47350d1ffb45ca03525ff

  • SSDEEP

    24576:DMy8p4zRy+JVnFog4DMut/u5V43Z1RcMzBPjcqIN/XlMMl/2hsXEjCuokNUxj+w:DMy8WlyoflsMsmjQZ1RcMzBLcqIBu+G2

Malware Config

Extracted

Family

buer

C2

http://loaadik01.pro/

http://loaadik02.pro/

Signatures

  • Buer

    Buer is a new modular loader first seen in August 2019.

  • Buer Loader 22 IoCs

    Detects Buer loader in memory or disk.

  • 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.

  • 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
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Adds Run key to start application
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3924
    • C:\Users\Admin\AppData\Roaming\UBlockPlugin\plugin.exe
      C:\Users\Admin\AppData\Roaming\UBlockPlugin\plugin.exe "C:\Users\Admin\AppData\Local\Temp\630ab459be2675ab53b9a3e4eeba9110_JaffaCakes118.exe" ensgJJ
      2⤵
      • Identifies VirtualBox via ACPI registry values (likely anti-VM)
      • Checks BIOS information in registry
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:4644

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\UBlockPlugin\plugin.exe

    Filesize

    1.5MB

    MD5

    630ab459be2675ab53b9a3e4eeba9110

    SHA1

    77f8b36c24cd0de2dcfe86b96e403bfad9d91112

    SHA256

    a5a60f5bef193b80117238e77eb20fccf1c72809dbf5af44bc588ab591b41c61

    SHA512

    33dce0472a05889df913693b80d4002a7dfab036f0201fa38d011cb7d9406146d6f34525023ed24131efa2ad754fad8715eec6359fe47350d1ffb45ca03525ff

  • memory/3924-7-0x000000003FCF0000-0x00000000400D1000-memory.dmp

    Filesize

    3.9MB

  • memory/3924-8-0x000000003FCF0000-0x00000000400D1000-memory.dmp

    Filesize

    3.9MB

  • memory/3924-14-0x000000003FCF0000-0x00000000400D1000-memory.dmp

    Filesize

    3.9MB

  • memory/3924-4-0x000000003FCF0000-0x00000000400D1000-memory.dmp

    Filesize

    3.9MB

  • memory/3924-5-0x000000003FCF0000-0x00000000400D1000-memory.dmp

    Filesize

    3.9MB

  • memory/3924-6-0x000000003FCF0000-0x00000000400D1000-memory.dmp

    Filesize

    3.9MB

  • memory/3924-0-0x000000003FCF0000-0x00000000400D1000-memory.dmp

    Filesize

    3.9MB

  • memory/3924-19-0x000000003FCF0000-0x00000000400D1000-memory.dmp

    Filesize

    3.9MB

  • memory/3924-10-0x000000003FCF0000-0x00000000400D1000-memory.dmp

    Filesize

    3.9MB

  • memory/3924-11-0x000000003FCF0000-0x00000000400D1000-memory.dmp

    Filesize

    3.9MB

  • memory/3924-12-0x000000003FCF0000-0x00000000400D1000-memory.dmp

    Filesize

    3.9MB

  • memory/3924-13-0x000000003FCF0000-0x00000000400D1000-memory.dmp

    Filesize

    3.9MB

  • memory/3924-3-0x000000003FCF0000-0x00000000400D1000-memory.dmp

    Filesize

    3.9MB

  • memory/3924-2-0x000000003FCF1000-0x000000003FCF5000-memory.dmp

    Filesize

    16KB

  • memory/3924-1-0x0000000077154000-0x0000000077156000-memory.dmp

    Filesize

    8KB

  • memory/4644-31-0x000000003FC60000-0x0000000040041000-memory.dmp

    Filesize

    3.9MB

  • memory/4644-21-0x000000003FC60000-0x0000000040041000-memory.dmp

    Filesize

    3.9MB

  • memory/4644-22-0x000000003FC60000-0x0000000040041000-memory.dmp

    Filesize

    3.9MB

  • memory/4644-23-0x000000003FC60000-0x0000000040041000-memory.dmp

    Filesize

    3.9MB

  • memory/4644-24-0x000000003FC60000-0x0000000040041000-memory.dmp

    Filesize

    3.9MB

  • memory/4644-25-0x000000003FC60000-0x0000000040041000-memory.dmp

    Filesize

    3.9MB

  • memory/4644-20-0x000000003FC60000-0x0000000040041000-memory.dmp

    Filesize

    3.9MB

  • memory/4644-27-0x000000003FC60000-0x0000000040041000-memory.dmp

    Filesize

    3.9MB

  • memory/4644-28-0x000000003FC60000-0x0000000040041000-memory.dmp

    Filesize

    3.9MB

  • memory/4644-29-0x000000003FC60000-0x0000000040041000-memory.dmp

    Filesize

    3.9MB

  • memory/4644-30-0x000000003FC60000-0x0000000040041000-memory.dmp

    Filesize

    3.9MB

  • memory/4644-26-0x000000003FC60000-0x0000000040041000-memory.dmp

    Filesize

    3.9MB