Analysis

  • max time kernel
    150s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    27/12/2023, 02:44

General

  • Target

    9dcdbb8d868ab09f3cf874282cae7dfc.exe

  • Size

    195KB

  • MD5

    9dcdbb8d868ab09f3cf874282cae7dfc

  • SHA1

    7d40bf0f6ff872aead26a766fe59002f35c2b372

  • SHA256

    b2205bf1ac85b2cfec1f6510570b0fd3af3f87ca30f121dd77cf4176030924ce

  • SHA512

    77821fb4992b6cdefd121a3db32a0067f7155a6142fcbb7e3229134b72d708a599721bf73cfded5eba911b9adfa398a3d46f8f1595e98b33ca217ceb031f170a

  • SSDEEP

    3072:yHpFKExTudqXHNEak3sMuRDx+76nRwGvT3OvN4W8APtV2i:cFKExDRk3sbRV+76nS3vN8gQi

Malware Config

Signatures

  • Detect XtremeRAT payload 7 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 4 IoCs
  • Deletes itself 1 IoCs
  • UPX packed file 12 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 35 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9dcdbb8d868ab09f3cf874282cae7dfc.exe
    "C:\Users\Admin\AppData\Local\Temp\9dcdbb8d868ab09f3cf874282cae7dfc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Users\Admin\AppData\Local\Temp\9dcdbb8d868ab09f3cf874282cae7dfc.exe
      2⤵
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2116
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Modifies Installed Components in the registry
        • Adds Run key to start application
        PID:2852
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • Suspicious use of SetWindowsHookEx
        PID:2392
      • C:\Windows\SysWOW64\explorer.exe
        explorer.exe
        3⤵
        • Deletes itself
        PID:2704

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Windows\SysWOW64\hacker\win32.exe

          Filesize

          195KB

          MD5

          9dcdbb8d868ab09f3cf874282cae7dfc

          SHA1

          7d40bf0f6ff872aead26a766fe59002f35c2b372

          SHA256

          b2205bf1ac85b2cfec1f6510570b0fd3af3f87ca30f121dd77cf4176030924ce

          SHA512

          77821fb4992b6cdefd121a3db32a0067f7155a6142fcbb7e3229134b72d708a599721bf73cfded5eba911b9adfa398a3d46f8f1595e98b33ca217ceb031f170a

        • memory/2116-11-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/2116-13-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/2116-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

          Filesize

          4KB

        • memory/2116-7-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/2116-9-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/2116-2-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/2116-12-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/2116-4-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/2116-29-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/2116-3-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/2392-28-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/2392-32-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/2704-25-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB

        • memory/2852-21-0x0000000000C80000-0x0000000000C95000-memory.dmp

          Filesize

          84KB