Overview

overview

7

Static

static

3

88dd5114f4...fN.exe

windows7-x64

7

88dd5114f4...fN.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    109s
  • max time network
    110s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-10-2024 06:29

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General

  • Target

    88dd5114f472d1ce3bef5c38f2e1a6d81e7952ec4c1f39938345823c5f33ef7fN.exe

  • Size

    81KB

  • MD5

    b93fcdd91a7f9848258fdc9ffae92390

  • SHA1

    ac3f042b559519f094b1338518517cada99eb841

  • SHA256

    88dd5114f472d1ce3bef5c38f2e1a6d81e7952ec4c1f39938345823c5f33ef7f

  • SHA512

    5a2f2a0c8da6c4400c613c4724f1b9590f4b162574b872ae8c3256b9f01fa8f757b50e95a423e9f16b409b80ed5cbfbe800302e96bb2d56d4ea119268e1fae39

  • SSDEEP

    1536:abSshapMJgKJUuxGmfJPtOgqm1s/XZSWcHU:K25KJFjfJPtOgqm2/XZXB

Score
7/10
discoverypersistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

    discovery
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\88dd5114f472d1ce3bef5c38f2e1a6d81e7952ec4c1f39938345823c5f33ef7fN.exe
    "C:\Users\Admin\AppData\Local\Temp\88dd5114f472d1ce3bef5c38f2e1a6d81e7952ec4c1f39938345823c5f33ef7fN.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2452
    • \??\c:\users\admin\appdata\local\temp\winlgon.exe
      c:\users\admin\appdata\local\temp\winlgon.exe
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:4960
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 696
        3⤵
        • Program crash
        PID:3924
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2452 -s 572
      2⤵
      • Program crash
      PID:5052
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4960 -ip 4960
    1⤵
      PID:3676
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2452 -ip 2452
      1⤵
        PID:5036

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • \??\c:\users\admin\appdata\local\temp\winlgon.exe
        Filesize

        81KB

        MD5

        f170dfc64049f067266ed694749e9ff7

        SHA1

        b6209c5e97e4e0eadfcd82267e61857afe7d8568

        SHA256

        31a6d8624f8c145f5ac5b81de695a43ea63946bac024ae12062c04b5893a038f

        SHA512

        325dfa00c9d698b97d59f4eab5629f495586c2af66c9eafef4bd15418b05d066d24cdb79530a71171982a0723b75f3e86a9a84a783b24efc46c9440e13c4383f

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