Analysis

  • max time kernel
    188s
  • max time network
    207s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/11/2022, 22:08

General

  • Target

    b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe

  • Size

    732KB

  • MD5

    516988b83c8f25c047cc4bfaa24fd7eb

  • SHA1

    4ebb58d6c0c7162a82b8432a1b7ad9f7409ebdd7

  • SHA256

    b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6

  • SHA512

    1cea8a4c8f5728a6c3819f1309aaca03fa03cb8f818cd582265eea640ea8f7f7f4a9cd1c56dc6efa36a92230f6de8293a72cd05a098e4ff9cdcdc321afb81ecb

  • SSDEEP

    12288:FHs9LkboBd3ndY9giv39REcgWGGNOYH/3p31jaHjQ9OXQHeYMthFkXywWIz1um:FM90i3dtiFREcgWGGNOYHvXOQ9SYMDFG

Malware Config

Extracted

Family

xtremerat

C2

roma1996.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.

  • UPX packed file 7 IoCs

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

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

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

  • Program crash 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe
    "C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3280
    • C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe
      C:\Users\Admin\AppData\Local\Temp\b93c634e5494c31077e6d87e143c4da80517d3064910e9f786403394c52bd0f6.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1812
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:3064
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 480
            4⤵
            • Program crash
            PID:3644
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3064 -s 488
            4⤵
            • Program crash
            PID:1880
        • C:\Windows\SysWOW64\notepad.exe
          notepad.exe
          3⤵
            PID:3028
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 480
              4⤵
              • Program crash
              PID:5012
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -u -p 3028 -s 488
              4⤵
              • Program crash
              PID:116
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3064 -ip 3064
        1⤵
          PID:2728
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3028 -ip 3028
          1⤵
            PID:4612
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3064 -ip 3064
            1⤵
              PID:4208
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 3028 -ip 3028
              1⤵
                PID:3360

              Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

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                    Downloads

                    • memory/1812-136-0x0000000010000000-0x0000000010048000-memory.dmp

                      Filesize

                      288KB

                    • memory/1812-138-0x0000000010000000-0x0000000010048000-memory.dmp

                      Filesize

                      288KB

                    • memory/1812-139-0x0000000010000000-0x0000000010048000-memory.dmp

                      Filesize

                      288KB

                    • memory/1812-141-0x0000000010000000-0x0000000010048000-memory.dmp

                      Filesize

                      288KB

                    • memory/1812-143-0x0000000010000000-0x0000000010048000-memory.dmp

                      Filesize

                      288KB

                    • memory/1812-146-0x0000000010000000-0x0000000010048000-memory.dmp

                      Filesize

                      288KB

                    • memory/3064-145-0x0000000010000000-0x0000000010048000-memory.dmp

                      Filesize

                      288KB

                    • memory/3280-132-0x0000000000400000-0x00000000007DC000-memory.dmp

                      Filesize

                      3.9MB

                    • memory/3280-140-0x0000000000400000-0x00000000007DC000-memory.dmp

                      Filesize

                      3.9MB