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
    09-12-2024 15:11

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:2452
    • 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:2400
    • 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:3228

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\33cde8b96a04cb76b65cadc4ab706df69e05145a598c5fd47f80829ce72c24fe.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_jiynnx34.yok.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2400-51-0x0000000006F00000-0x0000000006F0A000-memory.dmp

    Filesize

    40KB

  • memory/2400-50-0x0000000006E90000-0x0000000006EAA000-memory.dmp

    Filesize

    104KB

  • memory/2400-21-0x0000000004BA0000-0x0000000004BC2000-memory.dmp

    Filesize

    136KB

  • memory/2400-60-0x0000000075060000-0x0000000075810000-memory.dmp

    Filesize

    7.7MB

  • memory/2400-55-0x00000000070D0000-0x00000000070E4000-memory.dmp

    Filesize

    80KB

  • memory/2400-57-0x00000000071B0000-0x00000000071B8000-memory.dmp

    Filesize

    32KB

  • memory/2400-56-0x00000000071D0000-0x00000000071EA000-memory.dmp

    Filesize

    104KB

  • memory/2400-54-0x00000000070C0000-0x00000000070CE000-memory.dmp

    Filesize

    56KB

  • memory/2400-53-0x0000000007090000-0x00000000070A1000-memory.dmp

    Filesize

    68KB

  • memory/2400-52-0x0000000007110000-0x00000000071A6000-memory.dmp

    Filesize

    600KB

  • memory/2400-49-0x00000000074D0000-0x0000000007B4A000-memory.dmp

    Filesize

    6.5MB

  • memory/2400-35-0x0000000005B80000-0x0000000005BCC000-memory.dmp

    Filesize

    304KB

  • memory/2400-37-0x0000000070A70000-0x0000000070ABC000-memory.dmp

    Filesize

    304KB

  • memory/2400-17-0x0000000075060000-0x0000000075810000-memory.dmp

    Filesize

    7.7MB

  • memory/2400-16-0x0000000000DC0000-0x0000000000DF6000-memory.dmp

    Filesize

    216KB

  • memory/2400-33-0x0000000005590000-0x00000000058E4000-memory.dmp

    Filesize

    3.3MB

  • memory/2400-19-0x0000000075060000-0x0000000075810000-memory.dmp

    Filesize

    7.7MB

  • memory/2400-48-0x0000000006D50000-0x0000000006DF3000-memory.dmp

    Filesize

    652KB

  • memory/2400-23-0x0000000005520000-0x0000000005586000-memory.dmp

    Filesize

    408KB

  • memory/2400-22-0x0000000005440000-0x00000000054A6000-memory.dmp

    Filesize

    408KB

  • memory/2400-47-0x0000000006D20000-0x0000000006D3E000-memory.dmp

    Filesize

    120KB

  • memory/2400-36-0x0000000006100000-0x0000000006132000-memory.dmp

    Filesize

    200KB

  • memory/2400-18-0x0000000004DA0000-0x00000000053C8000-memory.dmp

    Filesize

    6.2MB

  • memory/2400-34-0x0000000005B40000-0x0000000005B5E000-memory.dmp

    Filesize

    120KB

  • memory/2452-5-0x0000000075060000-0x0000000075810000-memory.dmp

    Filesize

    7.7MB

  • memory/2452-10-0x0000000006970000-0x00000000069FE000-memory.dmp

    Filesize

    568KB

  • memory/2452-4-0x0000000004F90000-0x0000000004F9A000-memory.dmp

    Filesize

    40KB

  • memory/2452-1-0x0000000000520000-0x000000000061E000-memory.dmp

    Filesize

    1016KB

  • memory/2452-15-0x0000000075060000-0x0000000075810000-memory.dmp

    Filesize

    7.7MB

  • memory/2452-2-0x00000000053D0000-0x0000000005974000-memory.dmp

    Filesize

    5.6MB

  • memory/2452-6-0x0000000005180000-0x000000000521C000-memory.dmp

    Filesize

    624KB

  • memory/2452-0-0x000000007506E000-0x000000007506F000-memory.dmp

    Filesize

    4KB

  • memory/2452-7-0x00000000050C0000-0x00000000050D2000-memory.dmp

    Filesize

    72KB

  • memory/2452-3-0x0000000004ED0000-0x0000000004F62000-memory.dmp

    Filesize

    584KB

  • memory/2452-9-0x0000000075060000-0x0000000075810000-memory.dmp

    Filesize

    7.7MB

  • memory/2452-8-0x000000007506E000-0x000000007506F000-memory.dmp

    Filesize

    4KB

  • memory/3228-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3228-14-0x0000000075060000-0x0000000075810000-memory.dmp

    Filesize

    7.7MB

  • memory/3228-20-0x0000000075060000-0x0000000075810000-memory.dmp

    Filesize

    7.7MB

  • memory/3228-61-0x0000000075060000-0x0000000075810000-memory.dmp

    Filesize

    7.7MB

  • memory/3228-62-0x00000000067F0000-0x00000000069B2000-memory.dmp

    Filesize

    1.8MB

  • memory/3228-63-0x0000000006670000-0x00000000066C0000-memory.dmp

    Filesize

    320KB

  • memory/3228-64-0x0000000075060000-0x0000000075810000-memory.dmp

    Filesize

    7.7MB