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Overview

overview

7

Static

static

3

1b49b94356...00.exe

windows7-x64

7

1b49b94356...00.exe

windows10-2004-x64

7

Analysis

  • max time kernel
    151s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/05/2024, 04:19

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General

  • Target

    1b49b943563df68409df41815e2a3377228eb6ae283e6024a5c05494b13af400.exe

  • Size

    81KB

  • MD5

    ab24cd0704fae929b2c791b6dfeaa20e

  • SHA1

    fc496346ee63807fa8bde273ab8436615c02b2ad

  • SHA256

    1b49b943563df68409df41815e2a3377228eb6ae283e6024a5c05494b13af400

  • SHA512

    74da09fef5345435dd6bfde5b9bffd64d143c4550fb15918a9007dee608d7fdbbe1ad349d495512ff1da585a374d9ccaadf63ed164d89dd27accb099a7859adf

  • SSDEEP

    1536:RshfSWHHNvoLqNwDDGw02eQmh0HjWOP6GMJr:GhfxHNIreQm+Hik6GMJr

Score
7/10
persistence

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Modifies system executable filetype association 2 TTPs 5 IoCs
    persistence
  • 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\1b49b943563df68409df41815e2a3377228eb6ae283e6024a5c05494b13af400.exe
    "C:\Users\Admin\AppData\Local\Temp\1b49b943563df68409df41815e2a3377228eb6ae283e6024a5c05494b13af400.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:4844
    • 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:4824
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3816

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Windows\SysWOW64\notepad¢¬.exe
      Filesize

      82KB

      MD5

      055ad437c58bd7a6f0ed5cb5451306fe

      SHA1

      e0b310727b530e48f09486c44da3d33c81b4690f

      SHA256

      5915796a1d433a4dc407132c6c7800e33685067404708d3deffc0ffc6e0c943f

      SHA512

      0df3599b052c9c98d9c75eabab27e67fd3c47210273460320405575c86f69a51ee6a29ed088fec4af63a9ca06486e2aaf62cd5e7c9727f7a20b19f714a063d1a

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    • C:\Windows\System\rundll32.exe
      Filesize

      75KB

      MD5

      efe083e3617fa0869928e8605a72c2e7

      SHA1

      9c59c89e66a90d07aa5c093eb21c264c51e27fef

      SHA256

      768a85d857ce20297dc72113975881f3ea1ce093317e064e4fc62c9d5889a89f

      SHA512

      021dcd03bcb0385de84090fc6a33ac1af76d0d7af04057dfc260e88edef2cfc2b77f9b576aa3a9b5d2c737f6c76e534c098930e2bf4e405c0cca9f8a80da65d9

      Download Submit

    • memory/4844-0-0x0000000000400000-0x0000000000415A00-memory.dmp

      Filesize

      86KB

      Download

    • memory/4844-13-0x0000000000400000-0x0000000000415A00-memory.dmp

      Filesize

      86KB

      Download