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Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    26/11/2024, 11:35

General

  • Target

    a1afa361dab7f2a129e0d6a7d79d6fbd_JaffaCakes118.exe

  • Size

    755KB

  • MD5

    a1afa361dab7f2a129e0d6a7d79d6fbd

  • SHA1

    967fb6c387fb8b7fb6aaca5d2bc91282f8fe11f2

  • SHA256

    e930fe9f06b1692b7486305fcc661b213cc290f6b00c681e75386293107a7feb

  • SHA512

    c0b06b5735294c00c9950be1406f5b6cd845a569af0f5d8c3b2c0d63ba122135d715dd2a5eb7f48f25a3925808af61b11fa23a80c07d1cbf355100d2764dad80

  • SSDEEP

    12288:+Ma65M1l92EiqfUC/wnTI7NPMKkp3JBRvqwTlXndGvnOx7mx4UJvSxjtVAkK/omp:+JZZsC/vxMKkp3JBRvqwTlXndGnDExV+

Malware Config

Extracted

Family

xtremerat

C2

silent-hilll.no-ip.biz

Signatures

  • Detect XtremeRAT payload 10 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 5 IoCs
  • Drops file in System32 directory 3 IoCs
  • Suspicious use of SetThreadContext 1 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 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a1afa361dab7f2a129e0d6a7d79d6fbd_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a1afa361dab7f2a129e0d6a7d79d6fbd_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2500
    • \??\c:\windows\SysWOW64\cmd.exe
      c:\windows\system32\cmd.exe
      2⤵
      • 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
      • Suspicious use of WriteProcessMemory
      PID:2776
      • \??\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:2784

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    295KB

    MD5

    ad7b9c14083b52bc532fba5948342b98

    SHA1

    ee8cbf12d87c4d388f09b4f69bed2e91682920b5

    SHA256

    17f746d82695fa9b35493b41859d39d786d32b23a9d2e00f4011dec7a02402ae

    SHA512

    e12aad20c824187b39edb3c7943709290b5ddbf1b4032988db46f2e86da3cf7e7783f78c82e4dc5da232f666b8f9799a260a1f8e2694eb4d0cdaf78da710fde1

  • memory/2776-10-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2776-18-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2776-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2776-14-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2776-12-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2776-3-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2776-7-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2776-1-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2776-0-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2776-24-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2776-4-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2784-21-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB

  • memory/2784-26-0x0000000010000000-0x000000001004A000-memory.dmp

    Filesize

    296KB