Analysis

  • max time kernel
    147s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/12/2022, 09:35

General

  • Target

    38686dcf159c513583c76a5274ab9c985967181fbdcd65fdf2816afcb0ee687b.dll

  • Size

    115KB

  • MD5

    fc4c838d7305898063059b655a5f75f0

  • SHA1

    d3bf533f1c08f5e17b565e05985980da8c4428b2

  • SHA256

    38686dcf159c513583c76a5274ab9c985967181fbdcd65fdf2816afcb0ee687b

  • SHA512

    9d012bdbfa0651377faab2d95bfaf945b475d1e5861485cf74d0bdea23706c31cb239f5973d45bcc602df5af7f51b5093b935beec674fb574963d4981f16c089

  • SSDEEP

    3072:eR/WHnnWJSS04uPtgrW4zGU0Oy49BEsPI3u:ec2JS4Qq6kGSyuEQL

Score
10/10

Malware Config

Signatures

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

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

  • Modifies Internet Explorer settings 1 TTPs 4 IoCs
  • Modifies registry class 32 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 1 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\38686dcf159c513583c76a5274ab9c985967181fbdcd65fdf2816afcb0ee687b.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3448
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\38686dcf159c513583c76a5274ab9c985967181fbdcd65fdf2816afcb0ee687b.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:3064
      • C:\Windows\SysWOW64\explorer.exe
        explorer C:\Users\Admin\AppData
        3⤵
          PID:4708
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:512
    • 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:4800
    • C:\Windows\System32\rundll32.exe
      C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
      1⤵
        PID:812

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/3064-136-0x0000000002C90000-0x0000000002CB2000-memory.dmp

        Filesize

        136KB

      • memory/3064-138-0x0000000002C90000-0x0000000002CB2000-memory.dmp

        Filesize

        136KB