Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    26-02-2024 22:56

General

  • Target

    a78f5b9da6c323a9b325511f6318d265.exe

  • Size

    296KB

  • MD5

    a78f5b9da6c323a9b325511f6318d265

  • SHA1

    c5574fde465517b9092be055aae25f2f243dd8c7

  • SHA256

    6f401be102cc2060edd4c301f9bfff71ecf37f29e5cff3a42129c6e46c2e47d5

  • SHA512

    2fa71e0c974538648f7510f7d4595991e340dfba54060954a64860106491fc9d94dc9191f5d0332aaa79bce6681ba7d921d591f5ddb1b91cf328818b1fc06f2a

  • SSDEEP

    6144:f1C/mbSSGmG9StTknv48s8ssskeLCVfDa+PSq6fY:deaSr9SNknv48sUeLCV5PSHA

Malware Config

Signatures

  • Detect XtremeRAT payload 6 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
  • UPX packed file 8 IoCs

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

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

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

  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a78f5b9da6c323a9b325511f6318d265.exe
    "C:\Users\Admin\AppData\Local\Temp\a78f5b9da6c323a9b325511f6318d265.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2936
    • C:\Users\Admin\AppData\Local\Temp\a78f5b9da6c323a9b325511f6318d265.exe
      C:\Users\Admin\AppData\Local\Temp\a78f5b9da6c323a9b325511f6318d265.exe
      2⤵
      • Modifies Installed Components in the registry
      • Adds Run key to start application
      • Drops file in Program Files directory
      • Suspicious use of WriteProcessMemory
      PID:2596
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Modifies Installed Components in the registry
        • Adds Run key to start application
        PID:2552
      • C:\Windows\SysWOW64\svchost.exe
        svchost.exe
        3⤵
        • Suspicious use of SetWindowsHookEx
        PID:2684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Program Files (x86)\windows\window.exe

    Filesize

    296KB

    MD5

    a78f5b9da6c323a9b325511f6318d265

    SHA1

    c5574fde465517b9092be055aae25f2f243dd8c7

    SHA256

    6f401be102cc2060edd4c301f9bfff71ecf37f29e5cff3a42129c6e46c2e47d5

    SHA512

    2fa71e0c974538648f7510f7d4595991e340dfba54060954a64860106491fc9d94dc9191f5d0332aaa79bce6681ba7d921d591f5ddb1b91cf328818b1fc06f2a

  • memory/2552-12-0x0000000000C80000-0x0000000000CA8000-memory.dmp

    Filesize

    160KB

  • memory/2552-14-0x0000000000C80000-0x0000000000CA8000-memory.dmp

    Filesize

    160KB

  • memory/2596-2-0x0000000000C80000-0x0000000000CA8000-memory.dmp

    Filesize

    160KB

  • memory/2596-4-0x0000000000C80000-0x0000000000CA8000-memory.dmp

    Filesize

    160KB

  • memory/2596-5-0x0000000000C80000-0x0000000000CA8000-memory.dmp

    Filesize

    160KB

  • memory/2596-6-0x0000000000C80000-0x0000000000CA8000-memory.dmp

    Filesize

    160KB

  • memory/2596-19-0x0000000000C80000-0x0000000000CA8000-memory.dmp

    Filesize

    160KB

  • memory/2684-18-0x0000000000C80000-0x0000000000CA8000-memory.dmp

    Filesize

    160KB

  • memory/2684-21-0x0000000000C80000-0x0000000000CA8000-memory.dmp

    Filesize

    160KB