Analysis

  • max time kernel
    93s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220721-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-08-2022 15:29

General

  • Target

    appicon.ps1

  • Size

    3.5MB

  • MD5

    7e8b01de67c0391da2dd1997b8e2f649

  • SHA1

    70233d718878b78b32945e8f30cc4bb111542c85

  • SHA256

    59833bdf99c6e94235e386ce20c12647010e7de9a74356588b27a7e5fe4710ad

  • SHA512

    8f5c85c41d45381045d91def651d00639f0bdc3c86174fcf4e4d7ff1e1a9b872eb7001feb202000fec7047169ccb822e4d977b149c89f249b0dda127074b7511

Malware Config

Extracted

Family

azorult

C2

http://188.32.97.44/twitch/fk32nOPxf/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • UPX packed file 6 IoCs

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\appicon.ps1
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
        PID:4428
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
        2⤵
          PID:4380
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
          2⤵
            PID:5012
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
            2⤵
            • Suspicious use of NtSetInformationThreadHideFromDebugger
            • Suspicious behavior: EnumeratesProcesses
            PID:4568

        Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/2208-130-0x000002021EFC0000-0x000002021EFE2000-memory.dmp
          Filesize

          136KB

        • memory/2208-131-0x00007FFF3B440000-0x00007FFF3BF01000-memory.dmp
          Filesize

          10.8MB

        • memory/2208-135-0x00007FFF3B440000-0x00007FFF3BF01000-memory.dmp
          Filesize

          10.8MB

        • memory/4568-132-0x0000000000400000-0x0000000000B79000-memory.dmp
          Filesize

          7.5MB

        • memory/4568-133-0x0000000000B76D48-mapping.dmp
        • memory/4568-136-0x0000000000400000-0x0000000000B79000-memory.dmp
          Filesize

          7.5MB

        • memory/4568-138-0x0000000000400000-0x0000000000B79000-memory.dmp
          Filesize

          7.5MB

        • memory/4568-139-0x0000000000400000-0x0000000000B79000-memory.dmp
          Filesize

          7.5MB

        • memory/4568-140-0x000000007FA50000-0x000000007FE21000-memory.dmp
          Filesize

          3.8MB

        • memory/4568-141-0x0000000000400000-0x0000000000B79000-memory.dmp
          Filesize

          7.5MB

        • memory/4568-142-0x000000007FA50000-0x000000007FE21000-memory.dmp
          Filesize

          3.8MB

        • memory/4568-143-0x0000000000400000-0x0000000000B79000-memory.dmp
          Filesize

          7.5MB