Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    07-02-2025 06:01

General

  • Target

    JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe

  • Size

    125KB

  • MD5

    b3c7298bcfd539b7e74a169e55017803

  • SHA1

    eafbb294d99ad22e712b0dd10e1214d4dc980653

  • SHA256

    89eb6d8b59331ae386fb085a32b3e2c05b0b0741f0478d0c9ecab1cd21d2d960

  • SHA512

    438d27299f900dd46ccb394c24b78a63813cded59cda9370e7b9dc3da86afc3506f0a47cf960836fc26e0f1c2bc829cd517249cc326133480631527e9a3bf2e5

  • SSDEEP

    3072:36tbksgGH7NFlG/FRJ1g/+AN+vZuXcsUvE0bf:qtbkmHDliFRrg/2xuXcjxf

Malware Config

Extracted

Family

xtremerat

C2

vvnv12.no-ip.biz

Signatures

  • Detect XtremeRAT payload 9 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • Xtremerat family
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2328
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3c7298bcfd539b7e74a169e55017803.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1296
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        • System Location Discovery: System Language Discovery
        PID:2452

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\Windows Genuine Update\Advantage.exe

    Filesize

    125KB

    MD5

    b3c7298bcfd539b7e74a169e55017803

    SHA1

    eafbb294d99ad22e712b0dd10e1214d4dc980653

    SHA256

    89eb6d8b59331ae386fb085a32b3e2c05b0b0741f0478d0c9ecab1cd21d2d960

    SHA512

    438d27299f900dd46ccb394c24b78a63813cded59cda9370e7b9dc3da86afc3506f0a47cf960836fc26e0f1c2bc829cd517249cc326133480631527e9a3bf2e5

  • memory/1296-2-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/1296-3-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/1296-4-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/1296-5-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/1296-11-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/1296-12-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/1296-14-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2452-6-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2452-8-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2452-15-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB