Analysis

  • max time kernel
    133s
  • max time network
    128s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/08/2024, 02:31

General

  • Target

    e7573cb6869df680fa42552e27b1a6bd2cd5a76c48b1660a41897dc30a0e53ba.exe

  • Size

    791KB

  • MD5

    db0bde479bdd446e24728b328239cd7d

  • SHA1

    ab1bc96dae19bdd452a811cafecc330554fe87e9

  • SHA256

    e7573cb6869df680fa42552e27b1a6bd2cd5a76c48b1660a41897dc30a0e53ba

  • SHA512

    d911c7975e18dd9873e6d5d222007751d9d2cc3dc6abe62d52aaf8f9b355a900c85f7fbb4c81cc84d1e0758085a1d2f2e33906e4f26044978ffd2798d170ae5f

  • SSDEEP

    24576:WSxC/qaSuGWwcrIRfEhsRwenTUBlsJENXlKKE:WsiUuG9EuR1asJAl

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7025541570:AAHHRvlJK1bIRktP0rY6GjgOuBxMeTOu_OU/sendMessage?chat_id=5138702702

Signatures

  • VIPKeylogger

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

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • 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.

  • 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 2 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 5 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 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e7573cb6869df680fa42552e27b1a6bd2cd5a76c48b1660a41897dc30a0e53ba.exe
    "C:\Users\Admin\AppData\Local\Temp\e7573cb6869df680fa42552e27b1a6bd2cd5a76c48b1660a41897dc30a0e53ba.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:3724
    • 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\e7573cb6869df680fa42552e27b1a6bd2cd5a76c48b1660a41897dc30a0e53ba.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:552
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NpLpffzWqyhtWF.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2052
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NpLpffzWqyhtWF" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDCF2.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3568
    • C:\Users\Admin\AppData\Local\Temp\e7573cb6869df680fa42552e27b1a6bd2cd5a76c48b1660a41897dc30a0e53ba.exe
      "C:\Users\Admin\AppData\Local\Temp\e7573cb6869df680fa42552e27b1a6bd2cd5a76c48b1660a41897dc30a0e53ba.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:1004

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zjjlq0sz.y5i.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • C:\Users\Admin\AppData\Local\Temp\tmpDCF2.tmp

          Filesize

          1KB

          MD5

          788a7905f354d536cdc567201b2d64c2

          SHA1

          750999673d8ccf3e28dcd703fa6611b2ee649110

          SHA256

          83bd6c3e6e43cd88a9b48c0bb8cb70132c0b0b180e8cdaaf8baec63a8c02134b

          SHA512

          7e3d6df29d69c541b05a03786fd090bcc44da69d88b519f766872fac1f48c44ae7406a8f4dd46271bf0d049c1640625fe53c76d7180dada2fc4ac8759ec42c00

        • memory/552-67-0x0000000070F90000-0x0000000070FDC000-memory.dmp

          Filesize

          304KB

        • memory/552-33-0x00000000054C0000-0x0000000005814000-memory.dmp

          Filesize

          3.3MB

        • memory/552-19-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/552-17-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/552-87-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/552-22-0x0000000004AC0000-0x0000000004AE2000-memory.dmp

          Filesize

          136KB

        • memory/552-18-0x0000000004B50000-0x0000000005178000-memory.dmp

          Filesize

          6.2MB

        • memory/552-20-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/552-23-0x0000000005230000-0x0000000005296000-memory.dmp

          Filesize

          408KB

        • memory/552-25-0x0000000005350000-0x00000000053B6000-memory.dmp

          Filesize

          408KB

        • memory/552-16-0x00000000044E0000-0x0000000004516000-memory.dmp

          Filesize

          216KB

        • memory/1004-45-0x0000000000400000-0x000000000044A000-memory.dmp

          Filesize

          296KB

        • memory/1004-88-0x0000000006AE0000-0x0000000006CA2000-memory.dmp

          Filesize

          1.8MB

        • memory/1004-89-0x0000000006980000-0x00000000069D0000-memory.dmp

          Filesize

          320KB

        • memory/2052-21-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/2052-78-0x0000000007560000-0x00000000075F6000-memory.dmp

          Filesize

          600KB

        • memory/2052-86-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/2052-83-0x0000000007600000-0x0000000007608000-memory.dmp

          Filesize

          32KB

        • memory/2052-82-0x0000000007620000-0x000000000763A000-memory.dmp

          Filesize

          104KB

        • memory/2052-26-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/2052-81-0x0000000007520000-0x0000000007534000-memory.dmp

          Filesize

          80KB

        • memory/2052-79-0x00000000074E0000-0x00000000074F1000-memory.dmp

          Filesize

          68KB

        • memory/2052-27-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/2052-77-0x0000000007350000-0x000000000735A000-memory.dmp

          Filesize

          40KB

        • memory/2052-80-0x0000000007510000-0x000000000751E000-memory.dmp

          Filesize

          56KB

        • memory/2052-65-0x0000000007920000-0x0000000007F9A000-memory.dmp

          Filesize

          6.5MB

        • memory/2052-50-0x0000000005FB0000-0x0000000005FCE000-memory.dmp

          Filesize

          120KB

        • memory/2052-51-0x0000000006520000-0x000000000656C000-memory.dmp

          Filesize

          304KB

        • memory/2052-53-0x0000000070F90000-0x0000000070FDC000-memory.dmp

          Filesize

          304KB

        • memory/2052-63-0x00000000064F0000-0x000000000650E000-memory.dmp

          Filesize

          120KB

        • memory/2052-64-0x0000000007190000-0x0000000007233000-memory.dmp

          Filesize

          652KB

        • memory/2052-52-0x00000000065B0000-0x00000000065E2000-memory.dmp

          Filesize

          200KB

        • memory/2052-66-0x00000000072E0000-0x00000000072FA000-memory.dmp

          Filesize

          104KB

        • memory/3724-9-0x0000000006380000-0x0000000006390000-memory.dmp

          Filesize

          64KB

        • memory/3724-0-0x000000007489E000-0x000000007489F000-memory.dmp

          Filesize

          4KB

        • memory/3724-8-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/3724-3-0x0000000005220000-0x00000000052B2000-memory.dmp

          Filesize

          584KB

        • memory/3724-1-0x0000000000720000-0x00000000007EC000-memory.dmp

          Filesize

          816KB

        • memory/3724-7-0x000000007489E000-0x000000007489F000-memory.dmp

          Filesize

          4KB

        • memory/3724-49-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/3724-10-0x0000000006400000-0x000000000648C000-memory.dmp

          Filesize

          560KB

        • memory/3724-2-0x00000000057D0000-0x0000000005D74000-memory.dmp

          Filesize

          5.6MB

        • memory/3724-11-0x0000000008BE0000-0x0000000008C7C000-memory.dmp

          Filesize

          624KB

        • memory/3724-6-0x00000000067F0000-0x0000000006802000-memory.dmp

          Filesize

          72KB

        • memory/3724-5-0x0000000074890000-0x0000000075040000-memory.dmp

          Filesize

          7.7MB

        • memory/3724-4-0x00000000051F0000-0x00000000051FA000-memory.dmp

          Filesize

          40KB