Resubmissions

02/03/2024, 22:38

240302-2kwptaae3710

02/03/2024, 22:34

240302-2g86qsad9610

Analysis

  • max time kernel
    149s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/03/2024, 22:34

General

  • Target
    Fake AV/AntivirusPlatinum.exe
  • Size 739KB
  • Sample240302-2g86qsad96
  • SHA256 70e5e902d0ac7534838b743c899f484fe10766aefacc6df697219387a8e3d06b
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10

Malware Config

Signatures

  • Windows security bypass 2 TTPs 3 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Windows security modification 2 TTPs 3 IoCs
  • Drops file in Windows directory 10 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies Internet Explorer start page 1 TTPs 2 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • System policy modification 1 TTPs 4 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Fake AV\AntivirusPlatinum.exe
    "C:\Users\Admin\AppData\Local\Temp\Fake AV\AntivirusPlatinum.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:1972
    • C:\WINDOWS\302746537.exe
      "C:\WINDOWS\302746537.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:4904
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\30FE.tmp\302746537.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2408
        • C:\Windows\SysWOW64\regsvr32.exe
          regsvr32 /s c:\windows\comctl32.ocx
          4⤵
          • Loads dropped DLL
          • Modifies registry class
          PID:3684
        • C:\Windows\SysWOW64\regsvr32.exe
          regsvr32 /s c:\windows\mscomctl.ocx
          4⤵
          • Loads dropped DLL
          • Modifies registry class
          PID:5040
        • \??\c:\windows\antivirus-platinum.exe
          c:\windows\antivirus-platinum.exe
          4⤵
          • Windows security bypass
          • Disables RegEdit via registry modification
          • Executes dropped EXE
          • Loads dropped DLL
          • Windows security modification
          • Modifies Internet Explorer settings
          • Modifies Internet Explorer start page
          • Suspicious use of SetWindowsHookEx
          • System policy modification
          PID:2216
        • C:\Windows\SysWOW64\attrib.exe
          attrib +h c:\windows\antivirus-platinum.exe
          4⤵
          • Drops file in Windows directory
          • Views/modifies file attributes
          PID:2452
  • 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=4192 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2352

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          302746537.bat

          • Path C:\Users\Admin\AppData\Local\Temp\30FE.tmp\302746537.bat
          • Size 348B
          • SHA256 4aa9ed4b38514f117e6e4f326cb0a1be7f7b96199e21305e2bd6dce289d7baa2
          • MD5 SHA1 SHA512

          302746537.exe

          • Path C:\Windows\302746537.exe
          • Size 22KB
          • SHA256 3028a2b0e95143a4caa9bcd6ae794958e7469a20c6e673da067958cbf4310035
          • MD5 SHA1 SHA512 SSDEEP

          MSCOMCTL.OCX

          • Path C:\Windows\MSCOMCTL.OCX
          • Size 1.0MB
          • SHA256 09f126e65d90026c3f659ff41b1287671b8cc1aa16240fc75dae91079a6b9712
          • MD5 SHA1 SHA512 SSDEEP

          MSCOMCTL.OCX

          • Path C:\Windows\MSCOMCTL.OCX
          • Size 472KB
          • SHA256 42b1d8bf222e56b6cc7019f0f6cc4cb4125f9ed0f08eb9a3dd2a855a9eb5bc28
          • MD5 SHA1 SHA512 SSDEEP

          antivirus-platinum.exe

          • Path C:\Windows\antivirus-platinum.exe
          • Size 9KB
          • SHA256 8115de4ad0b7e589852f521eb4260c127f8afeaa3b0021bfc98e4928a4929ac0
          • MD5 SHA1 SHA512 SSDEEP

          comctl32.ocx

          • Path \??\c:\windows\comctl32.ocx
          • Size 595KB
          • SHA256 f59cdf89f0f522ce3662e09fa847bca9b277b006c415dcc0029b416c347db9c4
          • MD5 SHA1 SHA512 SSDEEP

          memory/2216-32-0x0000000000400000-0x000000000040D000-memory.dmp

          memory/2216-38-0x0000000000400000-0x000000000040D000-memory.dmp

          memory/4904-20-0x0000000000400000-0x0000000000410000-memory.dmp

          memory/4904-35-0x0000000000400000-0x0000000000410000-memory.dmp