Windows 7 deprecation

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Analysis

  • max time kernel
    153s
  • max time network
    162s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2023, 13:11

General

  • Target

    886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe

  • Size

    76KB

  • MD5

    23e0c666dc0e0245f8154db27629c734

  • SHA1

    b290d6e5c311a97877052b1372039144c894c63c

  • SHA256

    886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514

  • SHA512

    90b272a353b1637d16a06a4cdf544536a4e5d098c91489ace73a9cfaa90e711e6cc3b682e9f0fd4d13ae07bd16e85e445b7ea54d4dd864c253373cc3136f8420

  • SSDEEP

    1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWO36h:GhfxHNIreQm+Hig6h

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Windows directory 2 IoCs
  • Modifies registry class 15 IoCs
  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe
    "C:\Users\Admin\AppData\Local\Temp\886fb93b76a89a020083ed84e66b278603e630d61bea9ff767cf031581834514.exe"
    1⤵
    • Modifies system executable filetype association
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:888
    • C:\Windows\system\rundll32.exe
      C:\Windows\system\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Modifies system executable filetype association
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:3252

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    75KB

    MD5

    028875a5e14460815f883e20dfe5dc5a

    SHA1

    8cb5ddd89001c41f557c579dbdd4f5b12984a92e

    SHA256

    49fe03c85ca65a0f17711be03640ec8596f6b1d9d2d5ec3b5e32bb20cccd0b8e

    SHA512

    7e7b76476114e6dca81aba27d830d6359998b2eabf1025b7c1fb93fdad045232480fb9b0c50c443031236dd3490e60e1d2160bd0cb78f06c4e639ae6c97dd865

  • C:\Windows\System\rundll32.exe

    Filesize

    79KB

    MD5

    017e358b201640e62141d529150c473c

    SHA1

    e0e36751db9cd1535441e109b43e2871e433770b

    SHA256

    2201151b2683de2084e3c51031b72bcd9adb7797d068babf7ec81d4d6e8162a7

    SHA512

    6bcd819d62818def9f53c1ab77cce4e22eb7ab337c13c9380411874b13fa7645739a8fb7843ba610a412de42da296408f545a870bf69bfb831f155fae09641a6

  • C:\Windows\system\rundll32.exe

    Filesize

    79KB

    MD5

    017e358b201640e62141d529150c473c

    SHA1

    e0e36751db9cd1535441e109b43e2871e433770b

    SHA256

    2201151b2683de2084e3c51031b72bcd9adb7797d068babf7ec81d4d6e8162a7

    SHA512

    6bcd819d62818def9f53c1ab77cce4e22eb7ab337c13c9380411874b13fa7645739a8fb7843ba610a412de42da296408f545a870bf69bfb831f155fae09641a6

  • memory/888-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/888-13-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/3252-14-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB