Windows 7 deprecation

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Analysis

  • max time kernel
    149s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    03/06/2024, 06:32

General

  • Target

    accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe

  • Size

    79KB

  • MD5

    1c735fc28f2cfcca56d4767c443493d9

  • SHA1

    0fe1407d0e0937b8fc4154c6ec87e76e92c86c81

  • SHA256

    accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80

  • SHA512

    4d3c7b6d8015afa9a59607281bfb58b65a48db61a29ded74e6330fa8ac3db0dc42e1826d31275f79c7d348019fdd56376fc3803a707076de52c2619a3e450962

  • SSDEEP

    1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOptkz:GhfxHNIreQm+Hi2tkz

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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 14 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe
    "C:\Users\Admin\AppData\Local\Temp\accb294d4398085d1913df4b8f0641e425a3d1816ae16c21cb9fc636c488fe80.exe"
    1⤵
    • Loads dropped DLL
    • 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:2976
    • 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:2548

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\notepad¢¬.exe

    Filesize

    84KB

    MD5

    1d14062d10987aec2d93c5794dd0e82a

    SHA1

    2c26e767cbba7dad65198db344047b78eff88453

    SHA256

    c4345e82219b919acb0b735cc971cbaaed27dc05da5d8739fd35d865f6d74078

    SHA512

    5866562d01550f7cb830038fc1663e50f8234ffd3e6bcea67a5264e9c47782a5e3af0f87da0557b3b81a001fb18c3d768d04fa5e72fe3cb5853427661ce566e4

  • \Windows\system\rundll32.exe

    Filesize

    83KB

    MD5

    5e3cc87fd60c1710c1a10f1c6108a57c

    SHA1

    f5fe5b6efdd17257cd9d6ed97d8f1faee0050ba5

    SHA256

    e5dea0b18db688d08915317611180a0bab8efaf3cf6ef5f55ecdb0eb22b76aff

    SHA512

    6c85c98c13c00a665f6933b0c5a9bf434d5c37bcc7ec92b28681d7fcd1893a3747b4b529eeed9eb33f18d6dd6c3a273a223ab3c2a6e58d6a5889cece32942942

  • memory/2548-19-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/2976-0-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/2976-17-0x00000000002E0000-0x00000000002F6000-memory.dmp

    Filesize

    88KB

  • memory/2976-18-0x00000000002E0000-0x00000000002F6000-memory.dmp

    Filesize

    88KB

  • memory/2976-21-0x0000000000400000-0x0000000000415A00-memory.dmp

    Filesize

    86KB

  • memory/2976-22-0x00000000002E0000-0x00000000002E2000-memory.dmp

    Filesize

    8KB