Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/10/2024, 11:42

General

  • Target

    561505602042.exe

  • Size

    719KB

  • MD5

    6ba1202e18f970ce89c7b6462db64884

  • SHA1

    0d525a908dff61f4bbd02b4b1d206160bdffe8bc

  • SHA256

    3f1a1db52a4fc4fcdcf257626740eb9662546e6a17592d575e4ad2bac6a3748b

  • SHA512

    22e785170c12ffd8aab80b633e3c8806b000959c31e55243def82eb541783686c14076091f7be14d1485912a6c745b041e40536a265969e3282a2bd5a93ff172

  • SSDEEP

    12288:OMfzuybrVagnUtLYXGAMZKUwPZk1ad6BAKIJwNdbwbIvaHkR:OsVvGLGMkU8ks4AKISkbEP

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 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 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 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 23 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 23 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\561505602042.exe
    "C:\Users\Admin\AppData\Local\Temp\561505602042.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:1400
    • 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\561505602042.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2372
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ZzEKJhWAzrhtW.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4524
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ZzEKJhWAzrhtW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBDF1.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3932
    • C:\Users\Admin\AppData\Local\Temp\561505602042.exe
      "C:\Users\Admin\AppData\Local\Temp\561505602042.exe"
      2⤵
        PID:2324
      • C:\Users\Admin\AppData\Local\Temp\561505602042.exe
        "C:\Users\Admin\AppData\Local\Temp\561505602042.exe"
        2⤵
          PID:1848
        • C:\Users\Admin\AppData\Local\Temp\561505602042.exe
          "C:\Users\Admin\AppData\Local\Temp\561505602042.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:1616

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

        Filesize

        2KB

        MD5

        968cb9309758126772781b83adb8a28f

        SHA1

        8da30e71accf186b2ba11da1797cf67f8f78b47c

        SHA256

        92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

        SHA512

        4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

      • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

        Filesize

        18KB

        MD5

        5455abe3c2653eca5c81f4b5d3c66eb7

        SHA1

        c223c0d63abc5aa4caa75cd0db54a12723f4d4bf

        SHA256

        f3108cb6b617c637e5de4433c393ce7b84b970c615351baf8673e68a1bfcbb60

        SHA512

        4449ed74ca656a932f51c89ec0d15285afbb6a2dd46026bb41162f3fcf2762ef1e42553a627bfb22fba1e55124d9de981e2bc0316a5eab11c5b1b4477e68cf27

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_qovp44ww.1cs.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • C:\Users\Admin\AppData\Local\Temp\tmpBDF1.tmp

        Filesize

        1KB

        MD5

        fb232f873493f30b60a35ced2e6c7225

        SHA1

        9a3fb84513fb6a3328c733039e337c94dd2ecce2

        SHA256

        03e9309590da8db5ccdafbb35ac1d487b9ab51d78ae694b4c3f7c4f10dcb1490

        SHA512

        573084e3f27b67c3ec79abf7941fdcadaac839f55417b353e1875a9efd4c110046cd2fdd5f3bd06c337ba6a2f52f02c1c3854f373c2e8cdb2c2b18ab35bdb580

      • memory/1400-8-0x00000000751AE000-0x00000000751AF000-memory.dmp

        Filesize

        4KB

      • memory/1400-48-0x00000000751A0000-0x0000000075950000-memory.dmp

        Filesize

        7.7MB

      • memory/1400-4-0x0000000005180000-0x000000000518A000-memory.dmp

        Filesize

        40KB

      • memory/1400-7-0x0000000006870000-0x000000000688E000-memory.dmp

        Filesize

        120KB

      • memory/1400-5-0x00000000751A0000-0x0000000075950000-memory.dmp

        Filesize

        7.7MB

      • memory/1400-9-0x00000000751A0000-0x0000000075950000-memory.dmp

        Filesize

        7.7MB

      • memory/1400-10-0x0000000004C20000-0x0000000004CAC000-memory.dmp

        Filesize

        560KB

      • memory/1400-1-0x0000000000810000-0x00000000008C6000-memory.dmp

        Filesize

        728KB

      • memory/1400-0-0x00000000751AE000-0x00000000751AF000-memory.dmp

        Filesize

        4KB

      • memory/1400-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

        Filesize

        5.6MB

      • memory/1400-6-0x0000000005490000-0x000000000552C000-memory.dmp

        Filesize

        624KB

      • memory/1400-3-0x00000000051A0000-0x0000000005232000-memory.dmp

        Filesize

        584KB

      • memory/1616-42-0x0000000000400000-0x0000000000448000-memory.dmp

        Filesize

        288KB

      • memory/1616-90-0x0000000006560000-0x0000000006722000-memory.dmp

        Filesize

        1.8MB

      • memory/1616-91-0x00000000063E0000-0x0000000006430000-memory.dmp

        Filesize

        320KB

      • memory/2372-16-0x00000000751A0000-0x0000000075950000-memory.dmp

        Filesize

        7.7MB

      • memory/2372-50-0x00000000066E0000-0x000000000672C000-memory.dmp

        Filesize

        304KB

      • memory/2372-24-0x0000000005850000-0x0000000005872000-memory.dmp

        Filesize

        136KB

      • memory/2372-41-0x0000000006240000-0x0000000006594000-memory.dmp

        Filesize

        3.3MB

      • memory/2372-30-0x0000000005930000-0x0000000005996000-memory.dmp

        Filesize

        408KB

      • memory/2372-15-0x0000000002DA0000-0x0000000002DD6000-memory.dmp

        Filesize

        216KB

      • memory/2372-22-0x00000000751A0000-0x0000000075950000-memory.dmp

        Filesize

        7.7MB

      • memory/2372-17-0x0000000005C10000-0x0000000006238000-memory.dmp

        Filesize

        6.2MB

      • memory/2372-49-0x00000000066A0000-0x00000000066BE000-memory.dmp

        Filesize

        120KB

      • memory/2372-79-0x0000000007C30000-0x0000000007C3E000-memory.dmp

        Filesize

        56KB

      • memory/2372-52-0x0000000075A50000-0x0000000075A9C000-memory.dmp

        Filesize

        304KB

      • memory/2372-51-0x0000000007880000-0x00000000078B2000-memory.dmp

        Filesize

        200KB

      • memory/2372-62-0x0000000006CA0000-0x0000000006CBE000-memory.dmp

        Filesize

        120KB

      • memory/2372-63-0x00000000078C0000-0x0000000007963000-memory.dmp

        Filesize

        652KB

      • memory/2372-88-0x00000000751A0000-0x0000000075950000-memory.dmp

        Filesize

        7.7MB

      • memory/2372-31-0x0000000005A50000-0x0000000005AB6000-memory.dmp

        Filesize

        408KB

      • memory/2372-18-0x00000000751A0000-0x0000000075950000-memory.dmp

        Filesize

        7.7MB

      • memory/2372-82-0x0000000007D20000-0x0000000007D28000-memory.dmp

        Filesize

        32KB

      • memory/2372-80-0x0000000007C40000-0x0000000007C54000-memory.dmp

        Filesize

        80KB

      • memory/2372-78-0x0000000007C00000-0x0000000007C11000-memory.dmp

        Filesize

        68KB

      • memory/4524-74-0x00000000077A0000-0x0000000007E1A000-memory.dmp

        Filesize

        6.5MB

      • memory/4524-77-0x00000000073D0000-0x0000000007466000-memory.dmp

        Filesize

        600KB

      • memory/4524-81-0x0000000007490000-0x00000000074AA000-memory.dmp

        Filesize

        104KB

      • memory/4524-76-0x00000000071C0000-0x00000000071CA000-memory.dmp

        Filesize

        40KB

      • memory/4524-19-0x00000000751A0000-0x0000000075950000-memory.dmp

        Filesize

        7.7MB

      • memory/4524-75-0x0000000007150000-0x000000000716A000-memory.dmp

        Filesize

        104KB

      • memory/4524-89-0x00000000751A0000-0x0000000075950000-memory.dmp

        Filesize

        7.7MB

      • memory/4524-64-0x0000000075A50000-0x0000000075A9C000-memory.dmp

        Filesize

        304KB

      • memory/4524-20-0x00000000751A0000-0x0000000075950000-memory.dmp

        Filesize

        7.7MB

      • memory/4524-23-0x00000000751A0000-0x0000000075950000-memory.dmp

        Filesize

        7.7MB