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Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/01/2025, 12:47

General

  • Target

    JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe

  • Size

    558KB

  • MD5

    218f9ec64968e5b8b316abe6287c4887

  • SHA1

    a35cca916f795183c43b7cc472dbb51d7fd41b84

  • SHA256

    b3c7cb9e4244af48b38034b3ad4cf96dcc61f1433e7708f4011e549ea425d96e

  • SHA512

    005c40a60b4802e041ac9431ef15758eb88d01a5e1d91c9d0cdc1c4f156a51692385b230a54612706846f6d337fd78520ad5da18a3e8fe9098f9c5fdcf53c501

  • SSDEEP

    12288:bcgL1j74QBb1pA0BH7whmh9roBX7SX//1ZGdXddP7SRP:Nx9BvA0BHroBX7SX//1ZGuR

Malware Config

Extracted

Family

xtremerat

C2

shootersiker.no-ip.org

Signatures

  • Detect XtremeRAT payload 5 IoCs
  • XtremeRAT

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

  • Xtremerat family
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • 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.

  • Enumerates system info in registry 2 TTPs 1 IoCs
  • Modifies registry class 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe
    "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe"
    1⤵
    • Checks BIOS information in registry
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Enumerates system info in registry
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4648
    • C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe
      "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_218f9ec64968e5b8b316abe6287c4887.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:396
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:1788
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 480
          4⤵
          • Program crash
          PID:2456
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1788 -s 488
          4⤵
          • Program crash
          PID:2780
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        3⤵
          PID:2892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 1788 -ip 1788
      1⤵
        PID:632
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 1788 -ip 1788
        1⤵
          PID:1628

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/396-9-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/396-10-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/396-11-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/396-12-0x0000000000400000-0x00000000004A4000-memory.dmp

          Filesize

          656KB

        • memory/1788-15-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/1788-16-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/4648-2-0x0000000000400000-0x00000000004A4000-memory.dmp

          Filesize

          656KB

        • memory/4648-5-0x0000000000401000-0x0000000000421000-memory.dmp

          Filesize

          128KB

        • memory/4648-14-0x0000000000401000-0x0000000000421000-memory.dmp

          Filesize

          128KB

        • memory/4648-13-0x0000000000400000-0x00000000004A4000-memory.dmp

          Filesize

          656KB