Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-07-2024 09:00

General

  • Target

    3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe

  • Size

    99KB

  • MD5

    3cbcf0bd6e2a578efa94fa2c13725229

  • SHA1

    cd3b8ba3ad62d70716077b53112b60ce8c46db0f

  • SHA256

    a6d00d859928739fd6d476c1ba753d14d86ebc19a357292ea0b2fbe972f94c2b

  • SHA512

    9bcffbd762be422f64cf384220cfff1609dad778ac67d6756ee45ec420989bdf3b636576dc3a6eb41f5965ab02035263b3cec0a53ed478a254e366b7abaee7a9

  • SSDEEP

    1536:Jsq+QV4rObAdXWpf/y+7ozNwiA9Nb7hH6vz1sw9Nb7hH6vz1sDtoF:I44rj/WodAfh6Zswfh6ZsDtoF

Malware Config

Extracted

Family

xtremerat

C2

microsofta.no-ip.org

Signatures

  • Detect XtremeRAT payload 7 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 2 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 3 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3cbcf0bd6e2a578efa94fa2c13725229_JaffaCakes118.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4664
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
        PID:3892
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 480
          3⤵
          • Program crash
          PID:2384
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3892 -s 488
          3⤵
          • Program crash
          PID:456
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        2⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Adds Run key to start application
        • Drops file in System32 directory
        • Suspicious use of SetWindowsHookEx
        PID:4284
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 980
          3⤵
          • Program crash
          PID:1480
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4284 -s 988
          3⤵
          • Program crash
          PID:4800
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3892 -ip 3892
      1⤵
        PID:2088
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4284 -ip 4284
        1⤵
          PID:2468
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3892 -ip 3892
          1⤵
            PID:5068
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4284 -ip 4284
            1⤵
              PID:4852

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/3892-0-0x0000000010000000-0x0000000010052000-memory.dmp

              Filesize

              328KB

            • memory/3892-8-0x0000000010000000-0x0000000010052000-memory.dmp

              Filesize

              328KB

            • memory/4284-1-0x0000000010000000-0x0000000010052000-memory.dmp

              Filesize

              328KB

            • memory/4284-5-0x0000000010000000-0x0000000010052000-memory.dmp

              Filesize

              328KB

            • memory/4284-6-0x0000000010000000-0x0000000010052000-memory.dmp

              Filesize

              328KB

            • memory/4284-9-0x0000000010000000-0x0000000010052000-memory.dmp

              Filesize

              328KB

            • memory/4664-2-0x0000000010000000-0x0000000010052000-memory.dmp

              Filesize

              328KB