Analysis

  • max time kernel
    118s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    13-08-2024 12:04

General

  • Target

    Facturas_pdf.exe

  • Size

    910KB

  • MD5

    129ab29e55efb205471261bc48380372

  • SHA1

    75670ebbf86906138538caad68b5a75f17097be3

  • SHA256

    322c8e0ba72b41a9ee9ebdeeb1b1d71cefd9ed9674e285efed105c0918834b24

  • SHA512

    8020ed1d32fce5d9931da0e52b501c985de294c323a3d70a1f3873642f1a323f79479d555ddb5c2991d68c4300cbb95607e7582f42213080798a8d9de78a70e9

  • SSDEEP

    24576:qzKGObd+rcjuV/B1mV4uhB4tqyJy70oRXr85ABIxWD:qzKGOorcc8Q5k70o5g58Ixc

Score
8/10

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Uses the VBS compiler for execution 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2412
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Facturas_pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2860
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kkUfsLDbd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kkUfsLDbd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5734.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2752
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      2⤵
        PID:2240
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
        2⤵
          PID:1620
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
          2⤵
            PID:2156
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
            "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
            2⤵
              PID:1796
            • C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
              "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
              2⤵
                PID:2336

            Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            • C:\Users\Admin\AppData\Local\Temp\tmp5734.tmp

              Filesize

              1KB

              MD5

              76ec7683ca617e5ee72a45b6715cfb6e

              SHA1

              077f4ac8602dc52304533570e3439281255891fd

              SHA256

              67e56c89ac65c4b4eaa20ad0967f008d359921769be381bb84eae5a4ffd6071d

              SHA512

              7cab244872c07b0561d81c99a350f92bf31609b8e7a5a091c8b938e546e2371dd948ca96a89e1912f1ae2b43fdc3caa178a860b2bd46aedfd6b280841cf7b546

            • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

              Filesize

              7KB

              MD5

              8cbd89b9b6ca7de0f1c28623dc0b47d9

              SHA1

              a1af23e26c7f2076cf032daefaed6f618e7ccbb3

              SHA256

              5bdbb6778cdef5d10de24f84d5046c36570115b30ceda502ebd09344fadab753

              SHA512

              99625e95a21d52bd32898619422da7ac4e6ddb77072397c3a3925d1b99b5fbe15f8aaa5a6d3348e7cff7e06cecb03a3dea00fd90b87990d074117f5dacce4527

            • memory/2412-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

              Filesize

              4KB

            • memory/2412-1-0x0000000000140000-0x000000000022A000-memory.dmp

              Filesize

              936KB

            • memory/2412-2-0x0000000074D70000-0x000000007545E000-memory.dmp

              Filesize

              6.9MB

            • memory/2412-3-0x0000000000720000-0x000000000073E000-memory.dmp

              Filesize

              120KB

            • memory/2412-4-0x0000000000740000-0x0000000000756000-memory.dmp

              Filesize

              88KB

            • memory/2412-5-0x0000000004EF0000-0x0000000004FB0000-memory.dmp

              Filesize

              768KB

            • memory/2412-18-0x0000000074D70000-0x000000007545E000-memory.dmp

              Filesize

              6.9MB