Analysis

  • max time kernel
    145s
  • max time network
    137s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 02:18

General

  • Target

    3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.exe

  • Size

    1.0MB

  • MD5

    0b891157f2ea1221e38c67a9c51ce0af

  • SHA1

    afbd8410c8c8d892cbc4d4901d46d7edbea5e8e0

  • SHA256

    3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d

  • SHA512

    8d3891065ba68590eb7b6a8f0f645c13274f7b1e225b4412ec9989b16ca8bdf37b3e014e31954a9f933477162c0000e53cb9404a9201742064eb3c16028bf738

  • SSDEEP

    24576:Ar7nRmn86KOYj5bRQ4lthLGe6wSOc6aEDWJM5f:ARm3KJbHhR86aEyJq

Malware Config

Extracted

Family

vipkeylogger

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 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.exe
    "C:\Users\Admin\AppData\Local\Temp\3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.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:4228
    • 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\3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4892
    • C:\Users\Admin\AppData\Local\Temp\3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.exe
      "C:\Users\Admin\AppData\Local\Temp\3f98154dfa957eb333cae8aea1c9d03234145c5f7c72a185c3e95500a07f214d.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1736

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gt1mh3c3.ibt.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1736-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1736-62-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/1736-63-0x00000000068D0000-0x0000000006A92000-memory.dmp

    Filesize

    1.8MB

  • memory/1736-64-0x0000000006760000-0x00000000067B0000-memory.dmp

    Filesize

    320KB

  • memory/1736-65-0x0000000006FD0000-0x00000000074FC000-memory.dmp

    Filesize

    5.2MB

  • memory/1736-15-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/1736-14-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/4228-5-0x0000000005CB0000-0x0000000005CBA000-memory.dmp

    Filesize

    40KB

  • memory/4228-9-0x000000007508E000-0x000000007508F000-memory.dmp

    Filesize

    4KB

  • memory/4228-10-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/4228-11-0x0000000006A20000-0x0000000006AAE000-memory.dmp

    Filesize

    568KB

  • memory/4228-8-0x0000000005CA0000-0x0000000005CB2000-memory.dmp

    Filesize

    72KB

  • memory/4228-7-0x00000000064C0000-0x000000000655C000-memory.dmp

    Filesize

    624KB

  • memory/4228-16-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/4228-6-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/4228-0-0x000000007508E000-0x000000007508F000-memory.dmp

    Filesize

    4KB

  • memory/4228-4-0x00000000058C0000-0x0000000005C14000-memory.dmp

    Filesize

    3.3MB

  • memory/4228-3-0x00000000057A0000-0x0000000005832000-memory.dmp

    Filesize

    584KB

  • memory/4228-2-0x0000000005E70000-0x0000000006414000-memory.dmp

    Filesize

    5.6MB

  • memory/4228-1-0x0000000000CD0000-0x0000000000DD8000-memory.dmp

    Filesize

    1.0MB

  • memory/4892-22-0x0000000005090000-0x00000000050F6000-memory.dmp

    Filesize

    408KB

  • memory/4892-52-0x0000000007440000-0x000000000744A000-memory.dmp

    Filesize

    40KB

  • memory/4892-21-0x0000000004FF0000-0x0000000005012000-memory.dmp

    Filesize

    136KB

  • memory/4892-30-0x0000000005A70000-0x0000000005DC4000-memory.dmp

    Filesize

    3.3MB

  • memory/4892-24-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/4892-35-0x00000000060B0000-0x00000000060CE000-memory.dmp

    Filesize

    120KB

  • memory/4892-36-0x00000000060E0000-0x000000000612C000-memory.dmp

    Filesize

    304KB

  • memory/4892-37-0x0000000006670000-0x00000000066A2000-memory.dmp

    Filesize

    200KB

  • memory/4892-38-0x0000000070C10000-0x0000000070C5C000-memory.dmp

    Filesize

    304KB

  • memory/4892-48-0x0000000006640000-0x000000000665E000-memory.dmp

    Filesize

    120KB

  • memory/4892-49-0x0000000007280000-0x0000000007323000-memory.dmp

    Filesize

    652KB

  • memory/4892-50-0x0000000007A20000-0x000000000809A000-memory.dmp

    Filesize

    6.5MB

  • memory/4892-51-0x00000000073D0000-0x00000000073EA000-memory.dmp

    Filesize

    104KB

  • memory/4892-23-0x0000000005100000-0x0000000005166000-memory.dmp

    Filesize

    408KB

  • memory/4892-53-0x0000000007650000-0x00000000076E6000-memory.dmp

    Filesize

    600KB

  • memory/4892-54-0x00000000075D0000-0x00000000075E1000-memory.dmp

    Filesize

    68KB

  • memory/4892-55-0x0000000007600000-0x000000000760E000-memory.dmp

    Filesize

    56KB

  • memory/4892-56-0x0000000007610000-0x0000000007624000-memory.dmp

    Filesize

    80KB

  • memory/4892-57-0x0000000007710000-0x000000000772A000-memory.dmp

    Filesize

    104KB

  • memory/4892-58-0x00000000076F0000-0x00000000076F8000-memory.dmp

    Filesize

    32KB

  • memory/4892-61-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/4892-19-0x0000000005180000-0x00000000057A8000-memory.dmp

    Filesize

    6.2MB

  • memory/4892-20-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/4892-18-0x0000000075080000-0x0000000075830000-memory.dmp

    Filesize

    7.7MB

  • memory/4892-17-0x0000000004B10000-0x0000000004B46000-memory.dmp

    Filesize

    216KB