Analysis

  • max time kernel
    126s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-12-2024 15:20

General

  • Target

    33cde8b96a04cb76b65cadc4ab706df69e05145a598c5fd47f80829ce72c24fe.exe

  • Size

    992KB

  • MD5

    5f39e9095fd1afafc7d03c8a16f93d3b

  • SHA1

    ec80f0c74c1a1147eedceda36bd0484d9113d7b2

  • SHA256

    33cde8b96a04cb76b65cadc4ab706df69e05145a598c5fd47f80829ce72c24fe

  • SHA512

    548e9c739278da7c8fe5ed059614b538cbf5bea3fad3de11f0c98cbd567970cb7d737d10b0dd16b9568a2da76b1f6527e119d1558e38460639a815109aea5d90

  • SSDEEP

    24576:SzJ+zxWJK0zxp2y6w1NpRjTUhGq0jXMp8l:SzJAWJKPjw1NTTYQTS8

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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\33cde8b96a04cb76b65cadc4ab706df69e05145a598c5fd47f80829ce72c24fe.exe
    "C:\Users\Admin\AppData\Local\Temp\33cde8b96a04cb76b65cadc4ab706df69e05145a598c5fd47f80829ce72c24fe.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3032
    • 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\33cde8b96a04cb76b65cadc4ab706df69e05145a598c5fd47f80829ce72c24fe.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3944
    • C:\Users\Admin\AppData\Local\Temp\33cde8b96a04cb76b65cadc4ab706df69e05145a598c5fd47f80829ce72c24fe.exe
      "C:\Users\Admin\AppData\Local\Temp\33cde8b96a04cb76b65cadc4ab706df69e05145a598c5fd47f80829ce72c24fe.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:1432

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bde20ioa.me1.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1432-61-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1432-18-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1432-62-0x0000000006D30000-0x0000000006EF2000-memory.dmp

    Filesize

    1.8MB

  • memory/1432-63-0x0000000006BB0000-0x0000000006C00000-memory.dmp

    Filesize

    320KB

  • memory/1432-13-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1432-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3032-8-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

    Filesize

    4KB

  • memory/3032-7-0x0000000005620000-0x0000000005632000-memory.dmp

    Filesize

    72KB

  • memory/3032-9-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3032-10-0x0000000006A80000-0x0000000006B0E000-memory.dmp

    Filesize

    568KB

  • memory/3032-6-0x0000000005630000-0x00000000056CC000-memory.dmp

    Filesize

    624KB

  • memory/3032-14-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3032-5-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3032-4-0x00000000053D0000-0x00000000053DA000-memory.dmp

    Filesize

    40KB

  • memory/3032-3-0x00000000053F0000-0x0000000005482000-memory.dmp

    Filesize

    584KB

  • memory/3032-2-0x0000000005900000-0x0000000005EA4000-memory.dmp

    Filesize

    5.6MB

  • memory/3032-1-0x00000000008B0000-0x00000000009AE000-memory.dmp

    Filesize

    1016KB

  • memory/3032-0-0x0000000074DFE000-0x0000000074DFF000-memory.dmp

    Filesize

    4KB

  • memory/3944-32-0x00000000054C0000-0x0000000005814000-memory.dmp

    Filesize

    3.3MB

  • memory/3944-50-0x0000000006E00000-0x0000000006E1A000-memory.dmp

    Filesize

    104KB

  • memory/3944-22-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3944-19-0x0000000004A20000-0x0000000004A42000-memory.dmp

    Filesize

    136KB

  • memory/3944-20-0x0000000004AC0000-0x0000000004B26000-memory.dmp

    Filesize

    408KB

  • memory/3944-33-0x0000000005AE0000-0x0000000005AFE000-memory.dmp

    Filesize

    120KB

  • memory/3944-34-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3944-35-0x0000000006040000-0x000000000608C000-memory.dmp

    Filesize

    304KB

  • memory/3944-36-0x0000000006A90000-0x0000000006AC2000-memory.dmp

    Filesize

    200KB

  • memory/3944-37-0x0000000070820000-0x000000007086C000-memory.dmp

    Filesize

    304KB

  • memory/3944-47-0x00000000060B0000-0x00000000060CE000-memory.dmp

    Filesize

    120KB

  • memory/3944-48-0x0000000006CD0000-0x0000000006D73000-memory.dmp

    Filesize

    652KB

  • memory/3944-49-0x0000000007450000-0x0000000007ACA000-memory.dmp

    Filesize

    6.5MB

  • memory/3944-21-0x0000000004B30000-0x0000000004B96000-memory.dmp

    Filesize

    408KB

  • memory/3944-51-0x0000000006E70000-0x0000000006E7A000-memory.dmp

    Filesize

    40KB

  • memory/3944-52-0x0000000007080000-0x0000000007116000-memory.dmp

    Filesize

    600KB

  • memory/3944-53-0x0000000007000000-0x0000000007011000-memory.dmp

    Filesize

    68KB

  • memory/3944-54-0x0000000007030000-0x000000000703E000-memory.dmp

    Filesize

    56KB

  • memory/3944-55-0x0000000007040000-0x0000000007054000-memory.dmp

    Filesize

    80KB

  • memory/3944-56-0x0000000007140000-0x000000000715A000-memory.dmp

    Filesize

    104KB

  • memory/3944-57-0x0000000007120000-0x0000000007128000-memory.dmp

    Filesize

    32KB

  • memory/3944-60-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3944-17-0x0000000004BD0000-0x00000000051F8000-memory.dmp

    Filesize

    6.2MB

  • memory/3944-16-0x0000000074DF0000-0x00000000755A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3944-15-0x0000000004560000-0x0000000004596000-memory.dmp

    Filesize

    216KB