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Analysis

  • max time kernel
    124s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/01/2025, 03:03

General

  • Target

    84e892d4627a3a3aa053b30200788bd6942c046d2dadcf5121017a32e10142f2.exe

  • Size

    834KB

  • MD5

    10f72e53a2c9f106093c233b56a3a819

  • SHA1

    e8a63836ff90493559b69a1bc6d6080ba9370a99

  • SHA256

    84e892d4627a3a3aa053b30200788bd6942c046d2dadcf5121017a32e10142f2

  • SHA512

    cd83c1b9c6128b852f36f97a387c4c89b781f0b0b52702540b12c5878129a0352c3edc2c12e2fb13e8f159256272338833715c3d78d98c4a195b8e50bd1ebce2

  • SSDEEP

    24576:XsJN+UVsa/olYFjQyPIoqtpGFjcrpTZ6q6U7jbHXM:83+UfxFsyPIoqcETHFXX

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 3 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84e892d4627a3a3aa053b30200788bd6942c046d2dadcf5121017a32e10142f2.exe
    "C:\Users\Admin\AppData\Local\Temp\84e892d4627a3a3aa053b30200788bd6942c046d2dadcf5121017a32e10142f2.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:3464
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FzXKnGk.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2784
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FzXKnGk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCC1A.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2220
    • C:\Users\Admin\AppData\Local\Temp\84e892d4627a3a3aa053b30200788bd6942c046d2dadcf5121017a32e10142f2.exe
      "C:\Users\Admin\AppData\Local\Temp\84e892d4627a3a3aa053b30200788bd6942c046d2dadcf5121017a32e10142f2.exe"
      2⤵
        PID:4032
      • C:\Users\Admin\AppData\Local\Temp\84e892d4627a3a3aa053b30200788bd6942c046d2dadcf5121017a32e10142f2.exe
        "C:\Users\Admin\AppData\Local\Temp\84e892d4627a3a3aa053b30200788bd6942c046d2dadcf5121017a32e10142f2.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:1604

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_t352fv5n.kri.ps1

      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • C:\Users\Admin\AppData\Local\Temp\tmpCC1A.tmp

      Filesize

      1KB

      MD5

      a57cf681b609a850115cec82d1aeb2d7

      SHA1

      5c1292a5fcf410a8272046e0e8a3c71f51b61c38

      SHA256

      feb46c895d64addd1898addb2547e1b831f958a5eec3ca1f9afc3d64e816d8b2

      SHA512

      6fa0115c9f5db4ab8e31ff0acc04b40163891e5143894de1a3b6d900ab8c484942052b29ef34bb3713001fe18787f000553273745878f859034fbf0070b11f64

    • memory/1604-67-0x0000000006E70000-0x0000000006EC0000-memory.dmp

      Filesize

      320KB

    • memory/1604-66-0x0000000006FD0000-0x0000000007192000-memory.dmp

      Filesize

      1.8MB

    • memory/1604-65-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/1604-32-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/1604-21-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2784-15-0x00000000050A0000-0x00000000050D6000-memory.dmp

      Filesize

      216KB

    • memory/2784-39-0x0000000006690000-0x00000000066DC000-memory.dmp

      Filesize

      304KB

    • memory/2784-64-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/2784-61-0x0000000007CA0000-0x0000000007CA8000-memory.dmp

      Filesize

      32KB

    • memory/2784-60-0x0000000007CC0000-0x0000000007CDA000-memory.dmp

      Filesize

      104KB

    • memory/2784-59-0x0000000007BC0000-0x0000000007BD4000-memory.dmp

      Filesize

      80KB

    • memory/2784-17-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/2784-18-0x00000000057C0000-0x0000000005DE8000-memory.dmp

      Filesize

      6.2MB

    • memory/2784-19-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/2784-20-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/2784-22-0x0000000005680000-0x00000000056A2000-memory.dmp

      Filesize

      136KB

    • memory/2784-58-0x0000000007BB0000-0x0000000007BBE000-memory.dmp

      Filesize

      56KB

    • memory/2784-24-0x0000000006000000-0x0000000006066000-memory.dmp

      Filesize

      408KB

    • memory/2784-23-0x0000000005EE0000-0x0000000005F46000-memory.dmp

      Filesize

      408KB

    • memory/2784-57-0x0000000007B80000-0x0000000007B91000-memory.dmp

      Filesize

      68KB

    • memory/2784-56-0x0000000007C00000-0x0000000007C96000-memory.dmp

      Filesize

      600KB

    • memory/2784-55-0x00000000079F0000-0x00000000079FA000-memory.dmp

      Filesize

      40KB

    • memory/2784-36-0x0000000006070000-0x00000000063C4000-memory.dmp

      Filesize

      3.3MB

    • memory/2784-38-0x0000000006660000-0x000000000667E000-memory.dmp

      Filesize

      120KB

    • memory/2784-54-0x0000000007980000-0x000000000799A000-memory.dmp

      Filesize

      104KB

    • memory/2784-40-0x0000000006C20000-0x0000000006C52000-memory.dmp

      Filesize

      200KB

    • memory/2784-41-0x00000000709D0000-0x0000000070A1C000-memory.dmp

      Filesize

      304KB

    • memory/2784-51-0x0000000006C80000-0x0000000006C9E000-memory.dmp

      Filesize

      120KB

    • memory/2784-52-0x0000000007850000-0x00000000078F3000-memory.dmp

      Filesize

      652KB

    • memory/2784-53-0x0000000007FD0000-0x000000000864A000-memory.dmp

      Filesize

      6.5MB

    • memory/3464-8-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/3464-37-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/3464-4-0x00000000056A0000-0x00000000056AA000-memory.dmp

      Filesize

      40KB

    • memory/3464-5-0x0000000074550000-0x0000000074D00000-memory.dmp

      Filesize

      7.7MB

    • memory/3464-6-0x0000000005890000-0x00000000058B6000-memory.dmp

      Filesize

      152KB

    • memory/3464-7-0x000000007455E000-0x000000007455F000-memory.dmp

      Filesize

      4KB

    • memory/3464-0-0x000000007455E000-0x000000007455F000-memory.dmp

      Filesize

      4KB

    • memory/3464-10-0x000000000C560000-0x000000000C5FC000-memory.dmp

      Filesize

      624KB

    • memory/3464-9-0x0000000002E80000-0x0000000002F0E000-memory.dmp

      Filesize

      568KB

    • memory/3464-3-0x00000000055E0000-0x0000000005672000-memory.dmp

      Filesize

      584KB

    • memory/3464-2-0x0000000005AE0000-0x0000000006084000-memory.dmp

      Filesize

      5.6MB

    • memory/3464-1-0x0000000000B30000-0x0000000000C06000-memory.dmp

      Filesize

      856KB