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Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/01/2023, 03:39

General

  • Target

    https://cdn.discordapp.com/attachments/1057895963685048340/1059296172503732294/3daf48a020b3b089.zip

Score
7/10

Malware Config

Signatures

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Enumerates connected drives 3 TTPs 24 IoCs

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

  • Modifies Internet Explorer Phishing Filter 1 TTPs 2 IoCs
  • Modifies Internet Explorer settings 1 TTPs 29 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Program Files\Internet Explorer\iexplore.exe
    "C:\Program Files\Internet Explorer\iexplore.exe" https://cdn.discordapp.com/attachments/1057895963685048340/1059296172503732294/3daf48a020b3b089.zip
    1⤵
    • Modifies Internet Explorer Phishing Filter
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4976
    • C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
      "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4976 CREDAT:17410 /prefetch:2
      2⤵
      • Modifies Internet Explorer settings
      • Suspicious use of SetWindowsHookEx
      PID:4748
  • C:\Windows\System32\rundll32.exe
    C:\Windows\System32\rundll32.exe C:\Windows\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding
    1⤵
      PID:4460
    • C:\Users\Admin\AppData\Local\Temp\Temp1_3daf48a020b3b089.zip\,\HardDisk.exe
      "C:\Users\Admin\AppData\Local\Temp\Temp1_3daf48a020b3b089.zip\,\HardDisk.exe"
      1⤵
      • Enumerates connected drives
      PID:4716
    • C:\Users\Admin\AppData\Local\Temp\Temp1_3daf48a020b3b089.zip\,\MacSetup.exe
      "C:\Users\Admin\AppData\Local\Temp\Temp1_3daf48a020b3b089.zip\,\MacSetup.exe"
      1⤵
      • Suspicious use of SetWindowsHookEx
      PID:1860
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\Temp1_3daf48a020b3b089.zip\,\Delete_Log_Files.bat" "
      1⤵
        PID:3488
      • C:\Users\Admin\AppData\Local\Temp\Temp1_3daf48a020b3b089.zip\,\GRINX64v2\AMIDEWIN.EXE
        "C:\Users\Admin\AppData\Local\Temp\Temp1_3daf48a020b3b089.zip\,\GRINX64v2\AMIDEWIN.EXE"
        1⤵
          PID:1516

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\54DSOF0M\3daf48a020b3b089.zip.abamp0z.partial

          Filesize

          13.7MB

          MD5

          423fb938a65fd8ad67ab14b176ff5390

          SHA1

          16538776ecf8bff321f2f7bfd71f0c8fbaea3b46

          SHA256

          dc3f6c09048ee2ed3c7807d113df079a50365ae3ceba9003976077dc3d42ee9b

          SHA512

          68c6af810b4f09f0110e0d1bb753e69b2a803d5905368bb545499a703d211b3d3c2417fb12f2fce6d484bb7531856ab6eb7607d37cb7e00f33003e179757bf05