Analysis

  • max time kernel
    150s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250217-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-02-2025 16:42

General

  • Target

    JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe

  • Size

    690KB

  • MD5

    1af0cf6c39c150dcf4fd8a2c425b8610

  • SHA1

    ae2f70d2937c9297f25a4de987a53f87f5d31166

  • SHA256

    aeff8acbaf53e321bcdaf6574cf183765383ee3229d5c5903d1dc6ed2f21b150

  • SHA512

    900899ebfe375ef120d17f6b1c3174a872c66dd98ef69f8ad10a0f168de756e1e225d0736ec88c060ba928afb9928d7fbc737b47067f964f49acc58720c44a4f

  • SSDEEP

    12288:TOqBSaE2ETJ/+EkGz1lr3nxGteN4r3t8UOGz624SitfLmygYfq:KCS2E7z193Rit8UJ62Bmhgeq

Malware Config

Extracted

Family

xtremerat

C2

tomar0.no-ip.biz

Signatures

  • Detect XtremeRAT payload 14 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 6 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Drops file in System32 directory 4 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 11 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 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks SCSI registry key(s) 3 TTPs 8 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies registry class 20 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.exe
      C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_1af0cf6c39c150dcf4fd8a2c425b8610.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 WriteProcessMemory
      PID:3676
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        3⤵
          PID:2160
        • C:\Windows\SysWOW64\explorer.exe
          explorer.exe
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2156
          • C:\Windows\SysWOW64\InstallDir\Server.exe
            "C:\Windows\system32\InstallDir\Server.exe"
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:3896
            • C:\Windows\SysWOW64\InstallDir\Server.exe
              C:\Windows\SysWOW64\InstallDir\Server.exe
              5⤵
              • Boot or Logon Autostart Execution: Active Setup
              • Executes dropped EXE
              • Adds Run key to start application
              • Drops file in System32 directory
              • Suspicious use of SetThreadContext
              • System Location Discovery: System Language Discovery
              • Suspicious use of WriteProcessMemory
              PID:3572
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
                6⤵
                  PID:3684
                • C:\Windows\SysWOW64\explorer.exe
                  explorer.exe
                  6⤵
                  • Boot or Logon Autostart Execution: Active Setup
                  • Adds Run key to start application
                  • System Location Discovery: System Language Discovery
                  • Checks SCSI registry key(s)
                  • Modifies registry class
                  • Suspicious behavior: EnumeratesProcesses
                  • Suspicious use of SetWindowsHookEx
                  PID:2880

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\((Mutex)).cfg

        Filesize

        1KB

        MD5

        ac38b0ebe059e4b1dcaf8618998df9c5

        SHA1

        5adc87933e14166f7842351d6da8ae310b022a01

        SHA256

        4f7834dd822deff868a27fa27f3da54936d7702a1d1a7892c2ff58e215bc3d80

        SHA512

        1828d090c68eeec374cb2931ea5bb7be678b402891be9fdccef7d5c1c47d474032e62d6d824b415c07355c8ddd1a352aba580a461d40f6ea8262e1d0db9e86aa

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\((Mutex)).dat

        Filesize

        2B

        MD5

        84cad01fdb44ae58dbe6c3973dcd87f5

        SHA1

        4700b42849fb35be323774820bf1bc8019d26c80

        SHA256

        8b1f194be530240c18bf0b1ee0d038e750fab8b24c6bd25c864297e5ebb41fa6

        SHA512

        6e10d3ec4724c1aca9ff3f6a26292ba80065d18e8e9395f1474c0a298008f25e312e2f7024e7d10aab3264764e69a25553cc20afd23090f83921d20e42b989ab

      • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\((Mutex)).xtr

        Filesize

        343KB

        MD5

        6426d400c96fb9ffef4eaa54f6647f4c

        SHA1

        70a37871aff432790b6adf7d3fc4eb929476e082

        SHA256

        98bba0cf4c57ecd35b227f45e4aa6dd50ef7cfb1160235cc14687c96eb09fa3c

        SHA512

        2c8b4d3ab066cbfca6cf0c8d89d5044152b5e3d7100249cbedd1c816e3a4a94efc8bc6b79c1dab4bdf96e3ce476d6caccf625cfbe0aff3bf5e7a29dfcfa948c5

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

        Filesize

        690KB

        MD5

        1af0cf6c39c150dcf4fd8a2c425b8610

        SHA1

        ae2f70d2937c9297f25a4de987a53f87f5d31166

        SHA256

        aeff8acbaf53e321bcdaf6574cf183765383ee3229d5c5903d1dc6ed2f21b150

        SHA512

        900899ebfe375ef120d17f6b1c3174a872c66dd98ef69f8ad10a0f168de756e1e225d0736ec88c060ba928afb9928d7fbc737b47067f964f49acc58720c44a4f

      • memory/772-0-0x0000000023240000-0x0000000023270000-memory.dmp

        Filesize

        192KB

      • memory/772-32-0x0000000023240000-0x0000000023270000-memory.dmp

        Filesize

        192KB

      • memory/2156-16-0x0000000000C80000-0x0000000000CE9000-memory.dmp

        Filesize

        420KB

      • memory/2156-31-0x0000000000C80000-0x0000000000CE9000-memory.dmp

        Filesize

        420KB

      • memory/2156-25-0x0000000000C80000-0x0000000000CE9000-memory.dmp

        Filesize

        420KB

      • memory/2156-19-0x0000000000C80000-0x0000000000CE9000-memory.dmp

        Filesize

        420KB

      • memory/2880-55-0x0000000001610000-0x0000000001712000-memory.dmp

        Filesize

        1.0MB

      • memory/2880-60-0x0000000001610000-0x0000000001712000-memory.dmp

        Filesize

        1.0MB

      • memory/2880-64-0x0000000001610000-0x0000000001712000-memory.dmp

        Filesize

        1.0MB

      • memory/2880-56-0x0000000001610000-0x0000000001712000-memory.dmp

        Filesize

        1.0MB

      • memory/2880-59-0x0000000001610000-0x0000000001712000-memory.dmp

        Filesize

        1.0MB

      • memory/2880-58-0x0000000001610000-0x0000000001712000-memory.dmp

        Filesize

        1.0MB

      • memory/2880-54-0x0000000001610000-0x0000000001712000-memory.dmp

        Filesize

        1.0MB

      • memory/2880-53-0x0000000001610000-0x0000000001712000-memory.dmp

        Filesize

        1.0MB

      • memory/2880-50-0x0000000001610000-0x0000000001712000-memory.dmp

        Filesize

        1.0MB

      • memory/2880-49-0x0000000001610000-0x0000000001712000-memory.dmp

        Filesize

        1.0MB

      • memory/2880-51-0x0000000001610000-0x0000000001712000-memory.dmp

        Filesize

        1.0MB

      • memory/3676-10-0x0000000000C80000-0x0000000000CE9000-memory.dmp

        Filesize

        420KB

      • memory/3676-7-0x0000000000C80000-0x0000000000CE9000-memory.dmp

        Filesize

        420KB

      • memory/3676-11-0x0000000000C80000-0x0000000000CE9000-memory.dmp

        Filesize

        420KB

      • memory/3676-8-0x0000000000C80000-0x0000000000CE9000-memory.dmp

        Filesize

        420KB

      • memory/3676-4-0x0000000000C80000-0x0000000000CE9000-memory.dmp

        Filesize

        420KB

      • memory/3676-17-0x0000000000C80000-0x0000000000CE9000-memory.dmp

        Filesize

        420KB

      • memory/3676-12-0x0000000000C80000-0x0000000000CE9000-memory.dmp

        Filesize

        420KB

      • memory/3676-6-0x0000000000C80000-0x0000000000CE9000-memory.dmp

        Filesize

        420KB

      • memory/3676-1-0x0000000000C80000-0x0000000000CE9000-memory.dmp

        Filesize

        420KB

      • memory/3676-2-0x0000000000C80000-0x0000000000CE9000-memory.dmp

        Filesize

        420KB

      • memory/3896-62-0x0000000023240000-0x0000000023270000-memory.dmp

        Filesize

        192KB