Analysis

  • max time kernel
    139s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-01-2024 01:53

General

  • Target

    7bd819e07f179d3f264d22ff7f6a44d5.exe

  • Size

    136KB

  • MD5

    7bd819e07f179d3f264d22ff7f6a44d5

  • SHA1

    3f21e20ab76637efcfb1cd66cd24fed2b736861a

  • SHA256

    ea03ea99faa0e8318947128b1a6918585613b6e418820323db993bc787b0590d

  • SHA512

    2cff9b4d7af480ed540b40a2a48e095f03a286260d1bebbfae3df214ca2786e64dfbcf9b3199ce613aec52d6a8c99f4dceda33d9c5e3a074539d919af64e89ee

  • SSDEEP

    1536:AD3gWHwUr2vj+KW3xkeIpituP4B3DZTdS/UwgdRSiSgKM435Sl9UAMfbX37n:AD3ejTittR1dSMwqSiuM4z9r

Malware Config

Extracted

Family

xtremerat

C2

explosive.zapto.org

Создаexplosive.zapto.org

Signatures

  • Detect XtremeRAT payload 9 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 11 IoCs

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

  • Adds Run key to start application 2 TTPs 3 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 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe
    "C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2760
    • C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe
      "C:\Users\Admin\AppData\Local\Temp\7bd819e07f179d3f264d22ff7f6a44d5.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2312
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:4372
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 480
            4⤵
            • Program crash
            PID:1560
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4372 -s 488
            4⤵
            • Program crash
            PID:3240
        • C:\Windows\SysWOW64\svchost.exe
          svchost.exe
          3⤵
          • Modifies Installed Components in the registry
          • Adds Run key to start application
          • Drops file in Windows directory
          • Suspicious use of SetWindowsHookEx
          PID:3888
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 976
            4⤵
            • Program crash
            PID:4980
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3888 -s 988
            4⤵
            • Program crash
            PID:3020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4372 -ip 4372
      1⤵
        PID:3748
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 3888 -ip 3888
        1⤵
          PID:4024
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 4372 -ip 4372
          1⤵
            PID:4780
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 580 -p 3888 -ip 3888
            1⤵
              PID:5000

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • memory/2312-0-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/2312-2-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/2312-3-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/2312-4-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/2312-7-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/3888-6-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/3888-10-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/3888-11-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/3888-13-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/4372-5-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB

            • memory/4372-12-0x0000000010000000-0x000000001004D000-memory.dmp

              Filesize

              308KB