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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    17/10/2024, 08:19

General

  • Target

    5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe

  • Size

    56KB

  • MD5

    5158d8d70b950bb864423bca80b809ca

  • SHA1

    df6077f120092cb9e131feef0605cda3ba6c1979

  • SHA256

    23d4c103d5de5b0f9b215a213aa431cc4a500b726bea76bd326c5913f69189b3

  • SHA512

    1e85455969ea6d11a1fc013ddcd395e38afbb690d3fee0c1f281d93311e0caeb3f7e4f7000fbec7811b9a6819ddb806d1b92e71cb349c845df61bc327609f8fa

  • SSDEEP

    768:bKh7PU5H1xSHEBIuM8+SwZMNUyvsUxdY7GPyir5KIExlkAM7U3ta5p:ePIucIVULv1mlUXw90

Malware Config

Extracted

Family

xtremerat

C2

nait.no-ip.biz

Signatures

  • Detect XtremeRAT payload 8 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.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • UPX packed file 10 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 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\5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2296
    • C:\Users\Admin\AppData\Local\Temp\5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\5158d8d70b950bb864423bca80b809ca_JaffaCakes118.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:380
      • 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:484
      • C:\Windows\SysWOW64\notepad.exe
        notepad.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:2392

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\InstallDir\Server.exe

    Filesize

    56KB

    MD5

    5158d8d70b950bb864423bca80b809ca

    SHA1

    df6077f120092cb9e131feef0605cda3ba6c1979

    SHA256

    23d4c103d5de5b0f9b215a213aa431cc4a500b726bea76bd326c5913f69189b3

    SHA512

    1e85455969ea6d11a1fc013ddcd395e38afbb690d3fee0c1f281d93311e0caeb3f7e4f7000fbec7811b9a6819ddb806d1b92e71cb349c845df61bc327609f8fa

  • memory/380-2-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/380-4-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/380-6-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/380-5-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/380-13-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/484-9-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/484-7-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/484-17-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2392-12-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2392-15-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2392-18-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB