Overview

overview

10

Static

static

4bd5b13106...3f.dll

windows7-x64

10

4bd5b13106...3f.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    148s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-11-2022 05:53

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General

  • Target

    4bd5b13106b1e3bf4c5b789f86ddbe221c9c3d2d7507829134b61550077c213f.dll

  • Size

    170KB

  • MD5

    221a2089cf000a25b3a41df426b6e9b0

  • SHA1

    4c96485a05d0c42d90d57b28b236d67b3f21d0f6

  • SHA256

    4bd5b13106b1e3bf4c5b789f86ddbe221c9c3d2d7507829134b61550077c213f

  • SHA512

    7129fe016ea20d9c5d12eba8606c6eaa840bcba041c518fea43f1d62eb06fadd44e2d25bc71287da6ee67bf63d1e4ff5d5e6630501349adf255014fd24681224

  • SSDEEP

    3072:1EyXXC4tLhinKKEZ4xgYLQw0glW8vPMNTbo8jxhsienLT9Uw9u4mqr4dT:/CKLzLqZLb3ldvPd4Sdf9X9sXZ

Score
10/10
evasion

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 1 IoCs
    evasion
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
    evasion
  • Enumerates connected drives 3 TTPs 1 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
    adwarespyware
  • Modifies registry class 32 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\4bd5b13106b1e3bf4c5b789f86ddbe221c9c3d2d7507829134b61550077c213f.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2496
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\4bd5b13106b1e3bf4c5b789f86ddbe221c9c3d2d7507829134b61550077c213f.dll,#1
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4512
      • C:\Windows\SysWOW64\explorer.exe
        explorer C:\Users\Admin\AppData
        3⤵
          PID:5072
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:2724
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Modifies Internet Explorer settings
      • Modifies registry class
      • Suspicious behavior: AddClipboardFormatListener
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      PID:2204
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:516

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/4512-136-0x0000000000B70000-0x0000000000B92000-memory.dmp

        Filesize

        136KB

        Download

      • memory/4512-139-0x0000000000B70000-0x0000000000B92000-memory.dmp

        Filesize

        136KB

        Download