Analysis

  • max time kernel
    142s
  • max time network
    150s
  • 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 17:50

General

  • Target

    a9c8cae9854449ed7e490c8de523c158.exe

  • Size

    65KB

  • MD5

    a9c8cae9854449ed7e490c8de523c158

  • SHA1

    55130806c705709fc71fc1f339a11f0144ee716e

  • SHA256

    b71745bd8676d052b0d35507af40ead88f447efcae034fba84b623551c2baa3e

  • SHA512

    acd29374a508cc3e8f171d6db9a551cdc6dd1bbbe7c0b6e0b41726dd37bc35a075d704a212b8f21f673cc9594d49cd52cf2b39642bba0c2162fe3861c77491c1

  • SSDEEP

    768:88m1Sq4NQErBsH1tzoisBKQI6dObAG/dq8uW29Ifnca/yyR+P2ujfGiXsbs8Hvzu:esq+QV4rObAdXWpf/y+Yaro

Malware Config

Signatures

  • Detect XtremeRAT payload 3 IoCs
  • XtremeRAT

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

  • Modifies Installed Components in the registry 2 TTPs 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops file in Windows directory 3 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a9c8cae9854449ed7e490c8de523c158.exe
    "C:\Users\Admin\AppData\Local\Temp\a9c8cae9854449ed7e490c8de523c158.exe"
    1⤵
    • Modifies Installed Components in the registry
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4216
    • C:\Windows\SysWOW64\svchost.exe
      svchost.exe
      2⤵
        PID:2368
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 480
          3⤵
          • Program crash
          PID:2172
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 500
          3⤵
          • Program crash
          PID:3824
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2368 -ip 2368
      1⤵
        PID:4752
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2368 -ip 2368
        1⤵
          PID:4856

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2368-0-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/2368-3-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB

        • memory/4216-4-0x0000000010000000-0x000000001004A000-memory.dmp

          Filesize

          296KB