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Analysis

  • max time kernel
    140s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    07/09/2024, 20:32

General

  • Target

    恶意软件清理/rsclean.dll

  • Size

    192KB

  • MD5

    af3c6dc20c0c7ece1dc6370e16f10cc8

  • SHA1

    219140b111cbd49b77e50b3942a53f6131a231bc

  • SHA256

    d312de9529f34e0606937682a5b34bd9a10b001bd5a04c4b761c79cca429d1dd

  • SHA512

    6bffb0ad8da75070b889eac520e1dc86173f13921f5b088273d73116f90cb14e243bc0a8059f9fb29324d2d21a6ac2af43f86dc76219ea40b6eff722414c5ee7

  • SSDEEP

    3072:JfziRnGqHqcWlLOFJW9w0UCFlu2TUwK3w3CoaqbZ/7/QO/4xzEik8GI2CucC2L:ZzihbHqeWGUIwK3wyolQhucC2

Score
7/10

Malware Config

Signatures

  • UPX packed file 2 IoCs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\恶意软件清理\rsclean.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\恶意软件清理\rsclean.dll,#1
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2092
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 276
        3⤵
        • Program crash
        PID:2328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/2092-0-0x0000000000380000-0x0000000000402000-memory.dmp

    Filesize

    520KB

  • memory/2092-1-0x0000000000380000-0x0000000000402000-memory.dmp

    Filesize

    520KB