Analysis

  • max time kernel
    149s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-07-2024 16:00

General

  • Target

    39cdf1676e171f4222067caa0e25c4f3_JaffaCakes118.exe

  • Size

    276KB

  • MD5

    39cdf1676e171f4222067caa0e25c4f3

  • SHA1

    7c871e612ed6cca7908fd3e230c1363526615014

  • SHA256

    41656f70fadcda6a1d87ec7eb038bcbefa2269964567d46039aa1c7b734ac3e9

  • SHA512

    3c034f68144252baedb47b8816a8c21882a9a285545476155479d4715d0a421ee4628dd411d38b4a51300e2e84c5a85dc818fc011853ab7199214a86b701768b

  • SSDEEP

    6144:JCtYDKTEnwd5DITQF7ve7OI939a79SLyTs+41W31yc89//1Fqoa9I:JHDYDIa7J1ALyQqsJ1n

Malware Config

Extracted

Family

xtremerat

C2

hashemrnen.no-ip.biz

Signatures

  • Detect XtremeRAT payload 4 IoCs
  • XtremeRAT

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

  • 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.

  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39cdf1676e171f4222067caa0e25c4f3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\39cdf1676e171f4222067caa0e25c4f3_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2312
    • C:\Users\Admin\AppData\Local\Temp\39cdf1676e171f4222067caa0e25c4f3_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\39cdf1676e171f4222067caa0e25c4f3_JaffaCakes118.exe
      2⤵
      • Boot or Logon Autostart Execution: Active Setup
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:4816
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        PID:1608
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • Suspicious use of SetWindowsHookEx
        PID:956

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Windows\SysWOW64\7888\7.exe

    Filesize

    276KB

    MD5

    39cdf1676e171f4222067caa0e25c4f3

    SHA1

    7c871e612ed6cca7908fd3e230c1363526615014

    SHA256

    41656f70fadcda6a1d87ec7eb038bcbefa2269964567d46039aa1c7b734ac3e9

    SHA512

    3c034f68144252baedb47b8816a8c21882a9a285545476155479d4715d0a421ee4628dd411d38b4a51300e2e84c5a85dc818fc011853ab7199214a86b701768b

  • memory/956-20-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/956-18-0x0000000000100000-0x0000000000533000-memory.dmp

    Filesize

    4.2MB

  • memory/956-17-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/1608-14-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/1608-16-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2312-3-0x0000000000401000-0x00000000004FB000-memory.dmp

    Filesize

    1000KB

  • memory/2312-9-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/2312-0-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/2312-2-0x0000000000400000-0x000000000051F000-memory.dmp

    Filesize

    1.1MB

  • memory/2312-1-0x00000000001C0000-0x00000000001C3000-memory.dmp

    Filesize

    12KB

  • memory/4816-10-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/4816-8-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB

  • memory/4816-6-0x0000000000C80000-0x0000000000C96000-memory.dmp

    Filesize

    88KB