Analysis

  • max time kernel
    436s
  • max time network
    438s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    19-01-2025 22:07

General

  • Target

    d854f347061d9d7b8a9788ab8633c3f07619e29bd440924507a0147484c217c3.exe

  • Size

    783KB

  • MD5

    4f80565082ea4d95d933decf9cd50c61

  • SHA1

    2830f9d5f41bbecd2ae105ed0b9a8d49327c8594

  • SHA256

    d854f347061d9d7b8a9788ab8633c3f07619e29bd440924507a0147484c217c3

  • SHA512

    9dcdae5c7a5b4181ade738884e208508bf317742ca2be0726716aa71236670a50dae2bec947b3fcc12cfc85c756810f18a9f403de4eb428b4a73a4759037f227

  • SSDEEP

    24576:cmCJVCABws3ok2B3KE0cZICs/dZvo7sK:cJ0ABsB1P0wICsVIs

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.

  • 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 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\d854f347061d9d7b8a9788ab8633c3f07619e29bd440924507a0147484c217c3.exe
    "C:\Users\Admin\AppData\Local\Temp\d854f347061d9d7b8a9788ab8633c3f07619e29bd440924507a0147484c217c3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3984
    • 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\d854f347061d9d7b8a9788ab8633c3f07619e29bd440924507a0147484c217c3.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4072
    • C:\Users\Admin\AppData\Local\Temp\d854f347061d9d7b8a9788ab8633c3f07619e29bd440924507a0147484c217c3.exe
      "C:\Users\Admin\AppData\Local\Temp\d854f347061d9d7b8a9788ab8633c3f07619e29bd440924507a0147484c217c3.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:240

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s1ba2hcg.n5j.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/240-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/240-32-0x00000000745F0000-0x0000000074DA1000-memory.dmp

    Filesize

    7.7MB

  • memory/240-59-0x00000000745F0000-0x0000000074DA1000-memory.dmp

    Filesize

    7.7MB

  • memory/240-60-0x0000000006D10000-0x0000000006ED2000-memory.dmp

    Filesize

    1.8MB

  • memory/240-61-0x0000000006B90000-0x0000000006BE0000-memory.dmp

    Filesize

    320KB

  • memory/240-13-0x00000000745F0000-0x0000000074DA1000-memory.dmp

    Filesize

    7.7MB

  • memory/3984-4-0x0000000005210000-0x00000000052AC000-memory.dmp

    Filesize

    624KB

  • memory/3984-8-0x00000000745FE000-0x00000000745FF000-memory.dmp

    Filesize

    4KB

  • memory/3984-9-0x00000000745F0000-0x0000000074DA1000-memory.dmp

    Filesize

    7.7MB

  • memory/3984-10-0x0000000008480000-0x000000000850E000-memory.dmp

    Filesize

    568KB

  • memory/3984-7-0x0000000005450000-0x0000000005462000-memory.dmp

    Filesize

    72KB

  • memory/3984-6-0x00000000745F0000-0x0000000074DA1000-memory.dmp

    Filesize

    7.7MB

  • memory/3984-14-0x00000000745F0000-0x0000000074DA1000-memory.dmp

    Filesize

    7.7MB

  • memory/3984-5-0x0000000005120000-0x000000000512A000-memory.dmp

    Filesize

    40KB

  • memory/3984-3-0x0000000005170000-0x0000000005202000-memory.dmp

    Filesize

    584KB

  • memory/3984-2-0x0000000005680000-0x0000000005C26000-memory.dmp

    Filesize

    5.6MB

  • memory/3984-1-0x00000000005B0000-0x000000000067A000-memory.dmp

    Filesize

    808KB

  • memory/3984-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

    Filesize

    4KB

  • memory/4072-30-0x00000000745F0000-0x0000000074DA1000-memory.dmp

    Filesize

    7.7MB

  • memory/4072-48-0x0000000006EE0000-0x0000000006EFA000-memory.dmp

    Filesize

    104KB

  • memory/4072-21-0x0000000005680000-0x00000000056E6000-memory.dmp

    Filesize

    408KB

  • memory/4072-19-0x0000000004DF0000-0x0000000004E12000-memory.dmp

    Filesize

    136KB

  • memory/4072-31-0x00000000056F0000-0x0000000005A47000-memory.dmp

    Filesize

    3.3MB

  • memory/4072-18-0x00000000745F0000-0x0000000074DA1000-memory.dmp

    Filesize

    7.7MB

  • memory/4072-33-0x0000000005B90000-0x0000000005BAE000-memory.dmp

    Filesize

    120KB

  • memory/4072-34-0x0000000005C40000-0x0000000005C8C000-memory.dmp

    Filesize

    304KB

  • memory/4072-35-0x0000000006B50000-0x0000000006B84000-memory.dmp

    Filesize

    208KB

  • memory/4072-36-0x0000000070430000-0x000000007047C000-memory.dmp

    Filesize

    304KB

  • memory/4072-45-0x0000000006D90000-0x0000000006DAE000-memory.dmp

    Filesize

    120KB

  • memory/4072-46-0x0000000006DB0000-0x0000000006E54000-memory.dmp

    Filesize

    656KB

  • memory/4072-47-0x0000000007540000-0x0000000007BBA000-memory.dmp

    Filesize

    6.5MB

  • memory/4072-20-0x0000000005560000-0x00000000055C6000-memory.dmp

    Filesize

    408KB

  • memory/4072-49-0x0000000006F60000-0x0000000006F6A000-memory.dmp

    Filesize

    40KB

  • memory/4072-50-0x0000000007170000-0x0000000007206000-memory.dmp

    Filesize

    600KB

  • memory/4072-51-0x00000000070F0000-0x0000000007101000-memory.dmp

    Filesize

    68KB

  • memory/4072-52-0x0000000007120000-0x000000000712E000-memory.dmp

    Filesize

    56KB

  • memory/4072-53-0x0000000007130000-0x0000000007145000-memory.dmp

    Filesize

    84KB

  • memory/4072-54-0x0000000007230000-0x000000000724A000-memory.dmp

    Filesize

    104KB

  • memory/4072-55-0x0000000007260000-0x0000000007268000-memory.dmp

    Filesize

    32KB

  • memory/4072-58-0x00000000745F0000-0x0000000074DA1000-memory.dmp

    Filesize

    7.7MB

  • memory/4072-17-0x00000000745F0000-0x0000000074DA1000-memory.dmp

    Filesize

    7.7MB

  • memory/4072-16-0x0000000004EC0000-0x00000000054EA000-memory.dmp

    Filesize

    6.2MB

  • memory/4072-15-0x0000000000F40000-0x0000000000F76000-memory.dmp

    Filesize

    216KB