Analysis

  • max time kernel
    92s
  • max time network
    114s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-02-2024 19:28

General

  • Target

    a9f9c075777cc004a908f6b68c11508c.exe

  • Size

    301KB

  • MD5

    a9f9c075777cc004a908f6b68c11508c

  • SHA1

    256171a4139c31b8baf20b543474383b25d73746

  • SHA256

    2c7b5d90ea3ba0041bc79f9fe07925b3a665d61d1af8921551d7b429f87082e7

  • SHA512

    224d2c5c4ccdfe5a34d887633a5b074f8767be514d9ccfa606697e4940ccfa4ff6a6cf1e827bf97666e7bbe8ee8c2c11ef57b2bb49a03bc9034ad5548fa12b05

  • SSDEEP

    768:N8m1Sq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifnca/yyR+P2ujfGii7mzobNoz:psq+QV4rObAdXWpf/y+n6oa7OGoox

Malware Config

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\a9f9c075777cc004a908f6b68c11508c.exe
    "C:\Users\Admin\AppData\Local\Temp\a9f9c075777cc004a908f6b68c11508c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4952
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
        PID:4268
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 480
          3⤵
          • Program crash
          PID:956
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4268 -s 488
          3⤵
          • Program crash
          PID:1460
      • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
        2⤵
          PID:3512
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4268 -ip 4268
        1⤵
          PID:5112
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 4268 -ip 4268
          1⤵
            PID:2768

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          • memory/4268-1-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/4268-3-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/4952-0-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB

          • memory/4952-2-0x0000000010000000-0x000000001004D000-memory.dmp

            Filesize

            308KB