Analysis

  • max time kernel
    149s
  • max time network
    142s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2024 12:08

General

  • Target

    7f2682ba89af22d773bc66c4ad3fa40d_JaffaCakes118.exe

  • Size

    280KB

  • MD5

    7f2682ba89af22d773bc66c4ad3fa40d

  • SHA1

    664d2c40f1998437c03fabfa7ad0448337e2fc13

  • SHA256

    85cebffc3a4079ed0a1fe091ade3ad562fe394f5185596414b3cb4c4b00aa2ee

  • SHA512

    fb39dfc267c0952f7db3df4712fb384f84af31793fac148403a38500acbd7972b2594aceee71d51766577b8d376947f136e129977403e0c9b7406c26a1c87a33

  • SSDEEP

    6144:ml/dRjiC6YH01JXiDKPlEDjAHGLPXn6RnxOGV:mNdxlPkXvPlEDjAm7n6Rnxl

Malware Config

Extracted

Family

xtremerat

C2

raoulbigg.sytes.net

Signatures

  • Detect XtremeRAT payload 2 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.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 32 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Adds Run key to start application 2 TTPs 6 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • UPX packed file 4 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 34 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7f2682ba89af22d773bc66c4ad3fa40d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7f2682ba89af22d773bc66c4ad3fa40d_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1636
    • C:\Users\Admin\AppData\Local\Temp\vbc.exe
      C:\Users\Admin\AppData\Local\Temp\vbc.exe
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:3784
      • C:\Users\Admin\AppData\Local\Temp\vbc.exe
        C:\Users\Admin\AppData\Local\Temp\vbc.exe
        3⤵
        • Boot or Logon Autostart Execution: Active Setup
        • Checks computer location settings
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4248
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          4⤵
          • Boot or Logon Autostart Execution: Active Setup
          • Adds Run key to start application
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:5052
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:620
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3632
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4212
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1088
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:5044
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1920
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3980
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:5088
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3384
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4540
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3012
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2392
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2412
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:212
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1268
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:5084
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4164
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3648
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:5024
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1124
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:2488
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:628
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4064
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3200
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3108
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1968
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:220
          • C:\Windows\InstallDir\Server.exe
            "C:\Windows\InstallDir\Server.exe"
            5⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:4832
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          4⤵
            PID:2900
          • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
            "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
            4⤵
              PID:3332
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
              4⤵
                PID:4568
              • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
                4⤵
                  PID:1704
                • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
                  4⤵
                    PID:3016
                  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
                    4⤵
                      PID:1608
                    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
                      4⤵
                        PID:3968
                      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
                        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
                        4⤵
                          PID:2984
                        • C:\Windows\InstallDir\Server.exe
                          "C:\Windows\InstallDir\Server.exe"
                          4⤵
                          • Executes dropped EXE
                          • System Location Discovery: System Language Discovery
                          PID:2940
                      • C:\Users\Admin\AppData\Local\Temp\vbc.exe
                        C:\Users\Admin\AppData\Local\Temp\vbc.exe
                        3⤵
                        • Executes dropped EXE
                        • System Location Discovery: System Language Discovery
                        • Suspicious use of SetWindowsHookEx
                        PID:760

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  • C:\Users\Admin\AppData\Local\Temp\vbc.exe

                    Filesize

                    1.1MB

                    MD5

                    d881de17aa8f2e2c08cbb7b265f928f9

                    SHA1

                    08936aebc87decf0af6e8eada191062b5e65ac2a

                    SHA256

                    b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

                    SHA512

                    5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

                  • memory/760-22-0x0000000000400000-0x0000000000405000-memory.dmp

                    Filesize

                    20KB

                  • memory/760-37-0x0000000000400000-0x0000000000405000-memory.dmp

                    Filesize

                    20KB

                  • memory/760-25-0x0000000000400000-0x0000000000405000-memory.dmp

                    Filesize

                    20KB

                  • memory/1636-1-0x0000000074C30000-0x00000000751E1000-memory.dmp

                    Filesize

                    5.7MB

                  • memory/1636-2-0x0000000074C30000-0x00000000751E1000-memory.dmp

                    Filesize

                    5.7MB

                  • memory/1636-0-0x0000000074C32000-0x0000000074C33000-memory.dmp

                    Filesize

                    4KB

                  • memory/1636-13-0x0000000074C30000-0x00000000751E1000-memory.dmp

                    Filesize

                    5.7MB

                  • memory/3784-12-0x0000000000400000-0x0000000000422000-memory.dmp

                    Filesize

                    136KB

                  • memory/3784-29-0x0000000000400000-0x0000000000422000-memory.dmp

                    Filesize

                    136KB

                  • memory/3784-28-0x0000000000430000-0x00000000004F9000-memory.dmp

                    Filesize

                    804KB

                  • memory/3784-7-0x0000000000400000-0x0000000000422000-memory.dmp

                    Filesize

                    136KB

                  • memory/4248-20-0x0000000000C80000-0x0000000000C96000-memory.dmp

                    Filesize

                    88KB

                  • memory/4248-21-0x0000000000400000-0x000000000051F000-memory.dmp

                    Filesize

                    1.1MB

                  • memory/4248-19-0x0000000000C80000-0x0000000000C96000-memory.dmp

                    Filesize

                    88KB

                  • memory/4248-16-0x0000000000C80000-0x0000000000C96000-memory.dmp

                    Filesize

                    88KB

                  • memory/5052-33-0x0000000000C80000-0x0000000000C96000-memory.dmp

                    Filesize

                    88KB