Analysis

  • max time kernel
    180s
  • max time network
    190s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/12/2023, 02:39

General

  • Target

    9d9a6bece14d2df16d91b125d52f94f2.exe

  • Size

    87KB

  • MD5

    9d9a6bece14d2df16d91b125d52f94f2

  • SHA1

    eda773c16f5210a90b9ade09ca0753bd31a0308b

  • SHA256

    5540c8ac959e7c8fe851e4cf20eb0c6fedfcb935bbd55d58bec8a237926adbef

  • SHA512

    70aa55bb8e9fa09aaf8335e5dce1bbd79dc1f4f39b7b0fd1f872dbdd7bd0b725b8949a62002f7eded1731116c718369f129878fb26ea832b5cacfa5d76c68323

  • SSDEEP

    1536:n/vQa59DqqI94023pLqRuSijxODUzXnE99apJTcvq+kO0w:nV3G40AJqkjxOF9c3cy+kC

Malware Config

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.

  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe
    "C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:448
    • C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe
      "C:\Users\Admin\AppData\Local\Temp\9d9a6bece14d2df16d91b125d52f94f2.exe"
      2⤵
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1992
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:3480
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 488
            4⤵
            • Program crash
            PID:3220
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3480 -s 496
            4⤵
            • Program crash
            PID:3968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3480 -ip 3480
      1⤵
        PID:1752
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3480 -ip 3480
        1⤵
          PID:5032

        Network

              MITRE ATT&CK Enterprise v15

              Replay Monitor

              Loading Replay Monitor...

              Downloads

              • memory/448-7-0x0000000004900000-0x000000000495B000-memory.dmp

                Filesize

                364KB

              • memory/448-1-0x0000000075180000-0x0000000075731000-memory.dmp

                Filesize

                5.7MB

              • memory/448-2-0x0000000000AF0000-0x0000000000B00000-memory.dmp

                Filesize

                64KB

              • memory/448-0-0x0000000075180000-0x0000000075731000-memory.dmp

                Filesize

                5.7MB

              • memory/448-8-0x0000000075180000-0x0000000075731000-memory.dmp

                Filesize

                5.7MB

              • memory/1992-3-0x0000000010000000-0x000000001004D000-memory.dmp

                Filesize

                308KB

              • memory/1992-6-0x0000000010000000-0x000000001004D000-memory.dmp

                Filesize

                308KB

              • memory/1992-9-0x0000000010000000-0x000000001004D000-memory.dmp

                Filesize

                308KB

              • memory/1992-10-0x0000000010000000-0x000000001004D000-memory.dmp

                Filesize

                308KB

              • memory/1992-14-0x0000000010000000-0x000000001004D000-memory.dmp

                Filesize

                308KB

              • memory/1992-15-0x0000000010000000-0x000000001004D000-memory.dmp

                Filesize

                308KB

              • memory/1992-17-0x0000000010000000-0x000000001004D000-memory.dmp

                Filesize

                308KB

              • memory/3480-11-0x0000000010000000-0x000000001004D000-memory.dmp

                Filesize

                308KB

              • memory/3480-16-0x0000000010000000-0x000000001004D000-memory.dmp

                Filesize

                308KB