Analysis

  • max time kernel
    140s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 17:21

General

  • Target

    1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe

  • Size

    87KB

  • MD5

    a579638803127888421deeba6042cc4f

  • SHA1

    6142f6795670800c76eebc838345c87bcff1049f

  • SHA256

    1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731

  • SHA512

    3fc1dddc9599a9fee44af70c00345189b04b9c50f6b2faf09acc55c7532f2037de4ba9bd87719b7659b1ee44161762318555e03fc1d112f6282b86dd2496523c

  • SSDEEP

    768:09m1Sq4NQkrBsH1U8z05DeeQuMVTyN8ipHo37Vmd6AeXVtWAJC+S3MgyRARlJ+gc:Vsq+Q1aZQuIyJp0mgA+FJoEAbL

Malware Config

Extracted

Family

xtremerat

C2

hackercool.zapto.org

Signatures

  • Detect XtremeRAT payload 4 IoCs
  • XtremeRAT

    The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

  • UPX packed file 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe
    "C:\Users\Admin\AppData\Local\Temp\1596461c2b35c6736e48fb1a3c671aa86bbfecbfadb9dbfb63f372bddffe1731.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4748
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
        PID:2636
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 484
          3⤵
          • Program crash
          PID:4584
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 492
          3⤵
          • Program crash
          PID:2972
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        2⤵
          PID:3108
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 2636 -ip 2636
        1⤵
          PID:3764
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2636 -ip 2636
          1⤵
            PID:1348

          Network

          MITRE ATT&CK Matrix ATT&CK v13

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/2636-1-0x0000000010000000-0x000000001004C000-memory.dmp
            Filesize

            304KB

          • memory/2636-3-0x0000000010000000-0x000000001004C000-memory.dmp
            Filesize

            304KB

          • memory/4748-0-0x0000000010000000-0x000000001004C000-memory.dmp
            Filesize

            304KB

          • memory/4748-2-0x0000000010000000-0x000000001004C000-memory.dmp
            Filesize

            304KB