Analysis

  • max time kernel
    401s
  • max time network
    458s
  • 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, 17:45

General

  • Target

    f56647b2c3fa9fd5b437352927181156b61474ed277cfd32785d5f4249f3927e.exe

  • Size

    479KB

  • MD5

    1d8a2c3e1e8bac689e7672308f2e91b8

  • SHA1

    87a9d9f1998ca06ef37e43a9ee333b84225dd381

  • SHA256

    f56647b2c3fa9fd5b437352927181156b61474ed277cfd32785d5f4249f3927e

  • SHA512

    19d604dc7e814e73d7951e4b60aa730d17e0340f02b0d795622bc30a01f5d3a4c7d04ba1cc98d1d2071bbc5928a04ec6266d9dcd63a40c795860d9f470e2f51d

  • SSDEEP

    6144:nyC9DPs9z3o/iuWqHWpvh/kPU5HYcry4ZVPr/W0dNOMz5tqYEpd6E/sw1FkkadOM:ySD0NqVWqEv6P0YQVPjW0dkrpoIbkEM

Malware Config

Extracted

Family

xtremerat

C2

maradona.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 6 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). Likely ransomware behaviour.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\f56647b2c3fa9fd5b437352927181156b61474ed277cfd32785d5f4249f3927e.exe
    "C:\Users\Admin\AppData\Local\Temp\f56647b2c3fa9fd5b437352927181156b61474ed277cfd32785d5f4249f3927e.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3404
    • C:\Users\Admin\AppData\Local\Temp\f56647b2c3fa9fd5b437352927181156b61474ed277cfd32785d5f4249f3927e.exe
      "C:\Users\Admin\AppData\Local\Temp\f56647b2c3fa9fd5b437352927181156b61474ed277cfd32785d5f4249f3927e.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4560
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
          PID:3056
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 3056 -s 500
            4⤵
            • Program crash
            PID:5052
        • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
          "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
          3⤵
            PID:3372
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3056 -ip 3056
        1⤵
          PID:628
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 3056 -ip 3056
          1⤵
            PID:528

          Network

                MITRE ATT&CK Enterprise v6

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • memory/3056-146-0x0000000010000000-0x000000001004E000-memory.dmp

                  Filesize

                  312KB

                • memory/3404-134-0x0000000000400000-0x0000000000415000-memory.dmp

                  Filesize

                  84KB

                • memory/3404-135-0x0000000000400000-0x0000000000415000-memory.dmp

                  Filesize

                  84KB

                • memory/3404-141-0x0000000000400000-0x0000000000415000-memory.dmp

                  Filesize

                  84KB

                • memory/4560-137-0x0000000010000000-0x000000001004E000-memory.dmp

                  Filesize

                  312KB

                • memory/4560-139-0x0000000000400000-0x0000000000415000-memory.dmp

                  Filesize

                  84KB

                • memory/4560-140-0x0000000010000000-0x000000001004E000-memory.dmp

                  Filesize

                  312KB

                • memory/4560-142-0x0000000010000000-0x000000001004E000-memory.dmp

                  Filesize

                  312KB

                • memory/4560-143-0x0000000010000000-0x000000001004E000-memory.dmp

                  Filesize

                  312KB

                • memory/4560-145-0x0000000010000000-0x000000001004E000-memory.dmp

                  Filesize

                  312KB