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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    05/12/2024, 03:09

General

  • Target

    c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe

  • Size

    152KB

  • MD5

    c59d85cb643d32a9a5e9eaa963886a1c

  • SHA1

    836800c86848c502ad7fc9be508c63cc9848fa65

  • SHA256

    b8bb48adc6529333a6cb992fe1ee34c2b9973c644d96a9af2b0b02f61385acba

  • SHA512

    387f65bbf1f49fb4ca73fbe2b1f23552344ada67d0cbee0be221bd0551953e31f07aa63f7e262085ea4dca07542e19dbfa5c0a32f9ce1303c7a27992fcb39dbd

  • SSDEEP

    3072:4oYMODtBqfTkECraBIpPQMPozgEAQIIOO:4xD7xraBCDorAB

Malware Config

Extracted

Family

xtremerat

C2

sultan88.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
  • UPX packed file 13 IoCs

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

  • 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 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 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2224
    • C:\Users\Admin\AppData\Local\Temp\c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\c59d85cb643d32a9a5e9eaa963886a1c_JaffaCakes118.exe
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2744
      • 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:2144
      • C:\Windows\SysWOW64\notepad.exe
        notepad.exe
        3⤵
        • 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
        PID:1432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\InstallDir\svchost.exe

    Filesize

    152KB

    MD5

    c59d85cb643d32a9a5e9eaa963886a1c

    SHA1

    836800c86848c502ad7fc9be508c63cc9848fa65

    SHA256

    b8bb48adc6529333a6cb992fe1ee34c2b9973c644d96a9af2b0b02f61385acba

    SHA512

    387f65bbf1f49fb4ca73fbe2b1f23552344ada67d0cbee0be221bd0551953e31f07aa63f7e262085ea4dca07542e19dbfa5c0a32f9ce1303c7a27992fcb39dbd

  • memory/1432-17-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/1432-24-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/1432-21-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/1432-20-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2144-14-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2144-23-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2744-3-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2744-2-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2744-11-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2744-18-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2744-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2744-7-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2744-4-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2744-9-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB

  • memory/2744-10-0x0000000010000000-0x000000001004D000-memory.dmp

    Filesize

    308KB