Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 09:38

General

  • Target

    FERRO FAB INV.pdf.exe

  • Size

    760KB

  • MD5

    7ef30b948f770a3ab89ba600d7769567

  • SHA1

    b174f4af296920bad58ee090c461f6373d621529

  • SHA256

    b648506a859a6eecb51355d7cf78e6233c99e51d190a5fa068706f1fe511b209

  • SHA512

    25a7dd8a3c1fba91e82adb045a2eb9eaff873811b8084bf7e07386b564b8eae635a65ef65d8d5025371bfd748a53f83edcbaa8fc1deb780fabe41c9f78220de5

  • SSDEEP

    12288:qdAoaDPw1Qk89TmyRvmG9CmmRWAyJ5z6+gn6+iUziaZ1GjK8abMVvdOnK3RlHKxl:GwLw9gTFRbhSWduhn6SBnGWyXOnK/Kxl

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • 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 15 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\FERRO FAB INV.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\FERRO FAB INV.pdf.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:880
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\qcwJfgKIRobT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1776
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qcwJfgKIRobT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCDDF.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2504
    • C:\Users\Admin\AppData\Local\Temp\FERRO FAB INV.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\FERRO FAB INV.pdf.exe"
      2⤵
        PID:4452
      • C:\Users\Admin\AppData\Local\Temp\FERRO FAB INV.pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\FERRO FAB INV.pdf.exe"
        2⤵
          PID:956
        • C:\Users\Admin\AppData\Local\Temp\FERRO FAB INV.pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\FERRO FAB INV.pdf.exe"
          2⤵
            PID:3272
          • C:\Users\Admin\AppData\Local\Temp\FERRO FAB INV.pdf.exe
            "C:\Users\Admin\AppData\Local\Temp\FERRO FAB INV.pdf.exe"
            2⤵
            • Accesses Microsoft Outlook profiles
            • System Location Discovery: System Language Discovery
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:2540

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4aodkhge.vwn.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

          Filesize

          1KB

          MD5

          c4dbe1983eeacb998c90904573a35bd6

          SHA1

          b0bbd98be3337bea1d815bd9e5d0d1257a3d0fd5

          SHA256

          bddb95bee062fdd7c8713c3c692d18aa4cf34461af6e8b171419df2772b4ce45

          SHA512

          87926c83a19848d4b6f3a7cf7060fe04768268c5e09e928f616c2e734e2f7f0cbf2e4395aef2f7b6a055206dc632a54a2e8e5441fadd7fab6818e7596f318e71

        • memory/880-6-0x0000000005B60000-0x0000000005BFC000-memory.dmp

          Filesize

          624KB

        • memory/880-3-0x00000000058B0000-0x0000000005942000-memory.dmp

          Filesize

          584KB

        • memory/880-4-0x0000000075080000-0x0000000075830000-memory.dmp

          Filesize

          7.7MB

        • memory/880-5-0x0000000005840000-0x000000000584A000-memory.dmp

          Filesize

          40KB

        • memory/880-33-0x0000000075080000-0x0000000075830000-memory.dmp

          Filesize

          7.7MB

        • memory/880-7-0x0000000005B40000-0x0000000005B5E000-memory.dmp

          Filesize

          120KB

        • memory/880-8-0x000000007508E000-0x000000007508F000-memory.dmp

          Filesize

          4KB

        • memory/880-9-0x0000000075080000-0x0000000075830000-memory.dmp

          Filesize

          7.7MB

        • memory/880-10-0x00000000031F0000-0x000000000327C000-memory.dmp

          Filesize

          560KB

        • memory/880-0-0x000000007508E000-0x000000007508F000-memory.dmp

          Filesize

          4KB

        • memory/880-2-0x0000000005E60000-0x0000000006404000-memory.dmp

          Filesize

          5.6MB

        • memory/880-1-0x0000000000DD0000-0x0000000000E90000-memory.dmp

          Filesize

          768KB

        • memory/1776-15-0x00000000029C0000-0x00000000029F6000-memory.dmp

          Filesize

          216KB

        • memory/1776-52-0x00000000074C0000-0x0000000007563000-memory.dmp

          Filesize

          652KB

        • memory/1776-64-0x0000000075080000-0x0000000075830000-memory.dmp

          Filesize

          7.7MB

        • memory/1776-24-0x0000000005440000-0x00000000054A6000-memory.dmp

          Filesize

          408KB

        • memory/1776-23-0x00000000053D0000-0x0000000005436000-memory.dmp

          Filesize

          408KB

        • memory/1776-26-0x0000000005CB0000-0x0000000006004000-memory.dmp

          Filesize

          3.3MB

        • memory/1776-21-0x0000000005330000-0x0000000005352000-memory.dmp

          Filesize

          136KB

        • memory/1776-61-0x0000000007920000-0x0000000007928000-memory.dmp

          Filesize

          32KB

        • memory/1776-17-0x00000000054C0000-0x0000000005AE8000-memory.dmp

          Filesize

          6.2MB

        • memory/1776-16-0x0000000075080000-0x0000000075830000-memory.dmp

          Filesize

          7.7MB

        • memory/1776-19-0x0000000075080000-0x0000000075830000-memory.dmp

          Filesize

          7.7MB

        • memory/1776-38-0x00000000062E0000-0x00000000062FE000-memory.dmp

          Filesize

          120KB

        • memory/1776-39-0x0000000006310000-0x000000000635C000-memory.dmp

          Filesize

          304KB

        • memory/1776-40-0x00000000068A0000-0x00000000068D2000-memory.dmp

          Filesize

          200KB

        • memory/1776-51-0x0000000006880000-0x000000000689E000-memory.dmp

          Filesize

          120KB

        • memory/1776-20-0x0000000075080000-0x0000000075830000-memory.dmp

          Filesize

          7.7MB

        • memory/1776-41-0x00000000715F0000-0x000000007163C000-memory.dmp

          Filesize

          304KB

        • memory/1776-53-0x0000000007C40000-0x00000000082BA000-memory.dmp

          Filesize

          6.5MB

        • memory/1776-54-0x0000000007600000-0x000000000761A000-memory.dmp

          Filesize

          104KB

        • memory/1776-55-0x0000000007670000-0x000000000767A000-memory.dmp

          Filesize

          40KB

        • memory/1776-56-0x0000000007880000-0x0000000007916000-memory.dmp

          Filesize

          600KB

        • memory/1776-57-0x0000000007800000-0x0000000007811000-memory.dmp

          Filesize

          68KB

        • memory/1776-58-0x0000000007830000-0x000000000783E000-memory.dmp

          Filesize

          56KB

        • memory/1776-59-0x0000000007840000-0x0000000007854000-memory.dmp

          Filesize

          80KB

        • memory/1776-60-0x0000000007940000-0x000000000795A000-memory.dmp

          Filesize

          104KB

        • memory/2540-27-0x0000000075080000-0x0000000075830000-memory.dmp

          Filesize

          7.7MB

        • memory/2540-22-0x0000000000400000-0x0000000000448000-memory.dmp

          Filesize

          288KB

        • memory/2540-65-0x0000000075080000-0x0000000075830000-memory.dmp

          Filesize

          7.7MB

        • memory/2540-66-0x0000000006970000-0x0000000006B32000-memory.dmp

          Filesize

          1.8MB

        • memory/2540-67-0x0000000006810000-0x0000000006860000-memory.dmp

          Filesize

          320KB