Analysis

  • max time kernel
    104s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-01-2024 01:04

General

  • Target

    7bc0b174e48004a50e25ebda53a3cf37.exe

  • Size

    161KB

  • MD5

    7bc0b174e48004a50e25ebda53a3cf37

  • SHA1

    77e2bf1ebd2c00b813611f6dfb9d27543f47556e

  • SHA256

    a8f2f2e3c271f145e75770cbc67fedc52a34b96e80dc289cbe2c66ec6ffb176f

  • SHA512

    887f5af59b7f7bd350b3da759e4f484c224827b204561584e9870c012fbc25cbeb12e7a2a5dacf1541767e66eda922080d6a69ed1cda100a2339017524081453

  • SSDEEP

    3072:SdNy+xmahW4fRPHKPZjIk+jQ01aaQnn0KBzWnCn2gqQ1osyRuQ8:aQYRfCZjIkWQ01aRnn0KBUDqNKuQ8

Malware Config

Extracted

Family

xtremerat

C2

xsstrema.no-ip.org

Signatures

  • Detect XtremeRAT payload 5 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 SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7bc0b174e48004a50e25ebda53a3cf37.exe
    "C:\Users\Admin\AppData\Local\Temp\7bc0b174e48004a50e25ebda53a3cf37.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Users\Admin\AppData\Local\Temp\7bc0b174e48004a50e25ebda53a3cf37.exe
      C:\Users\Admin\AppData\Local\Temp\7bc0b174e48004a50e25ebda53a3cf37.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3920
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:2716
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 480
            4⤵
            • Program crash
            PID:4124
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 2716 -s 488
            4⤵
            • Program crash
            PID:2368
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          3⤵
            PID:3816
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2716 -ip 2716
        1⤵
          PID:2044
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2716 -ip 2716
          1⤵
            PID:3540

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2716-7-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/2716-9-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/3920-2-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/3920-4-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/3920-6-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/3920-5-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/3920-8-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB