Analysis

  • max time kernel
    147s
  • max time network
    145s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 02:35

General

  • Target

    50e5353cf814e1f75d7c18a99c897670905b7e119d5d02cb532e0466819d68ba.exe

  • Size

    845KB

  • MD5

    cb523e6e862bd251045595ef012615d5

  • SHA1

    168a3053da5319d12f101fecba8eaeca666babc5

  • SHA256

    50e5353cf814e1f75d7c18a99c897670905b7e119d5d02cb532e0466819d68ba

  • SHA512

    1f86be31eb36ec759b892b58302c40b139c22c344c3fefea438b75ab10a945a27463f446286fe348a28e6517877b3db29a0984360b0b964fa0de787d9e598c55

  • SSDEEP

    12288:nGMMwy9EXX+8bKz539a3LSTJofJWADQR5+4hONdLW2miS7:wwFO8bKzp9aWTW0ADQR5bhO2f

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\50e5353cf814e1f75d7c18a99c897670905b7e119d5d02cb532e0466819d68ba.exe
    "C:\Users\Admin\AppData\Local\Temp\50e5353cf814e1f75d7c18a99c897670905b7e119d5d02cb532e0466819d68ba.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:2332
    • 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\50e5353cf814e1f75d7c18a99c897670905b7e119d5d02cb532e0466819d68ba.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2136
    • C:\Users\Admin\AppData\Local\Temp\50e5353cf814e1f75d7c18a99c897670905b7e119d5d02cb532e0466819d68ba.exe
      "C:\Users\Admin\AppData\Local\Temp\50e5353cf814e1f75d7c18a99c897670905b7e119d5d02cb532e0466819d68ba.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:2052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zpsejupz.okc.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2052-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2052-64-0x0000000006DD0000-0x00000000072FC000-memory.dmp

    Filesize

    5.2MB

  • memory/2052-63-0x0000000006550000-0x00000000065A0000-memory.dmp

    Filesize

    320KB

  • memory/2052-62-0x00000000066D0000-0x0000000006892000-memory.dmp

    Filesize

    1.8MB

  • memory/2052-61-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2052-17-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2052-14-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2136-51-0x0000000007C80000-0x0000000007C8A000-memory.dmp

    Filesize

    40KB

  • memory/2136-36-0x0000000006EB0000-0x0000000006EE2000-memory.dmp

    Filesize

    200KB

  • memory/2136-60-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2136-57-0x0000000007F30000-0x0000000007F38000-memory.dmp

    Filesize

    32KB

  • memory/2136-56-0x0000000007F50000-0x0000000007F6A000-memory.dmp

    Filesize

    104KB

  • memory/2136-55-0x0000000007E50000-0x0000000007E64000-memory.dmp

    Filesize

    80KB

  • memory/2136-54-0x0000000007E40000-0x0000000007E4E000-memory.dmp

    Filesize

    56KB

  • memory/2136-15-0x0000000005320000-0x0000000005356000-memory.dmp

    Filesize

    216KB

  • memory/2136-53-0x0000000007E10000-0x0000000007E21000-memory.dmp

    Filesize

    68KB

  • memory/2136-19-0x0000000005990000-0x0000000005FB8000-memory.dmp

    Filesize

    6.2MB

  • memory/2136-18-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2136-22-0x00000000061A0000-0x0000000006206000-memory.dmp

    Filesize

    408KB

  • memory/2136-21-0x0000000006130000-0x0000000006196000-memory.dmp

    Filesize

    408KB

  • memory/2136-20-0x0000000005830000-0x0000000005852000-memory.dmp

    Filesize

    136KB

  • memory/2136-23-0x0000000006310000-0x0000000006664000-memory.dmp

    Filesize

    3.3MB

  • memory/2136-52-0x0000000007E90000-0x0000000007F26000-memory.dmp

    Filesize

    600KB

  • memory/2136-33-0x00000000068D0000-0x00000000068EE000-memory.dmp

    Filesize

    120KB

  • memory/2136-35-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2136-34-0x0000000006910000-0x000000000695C000-memory.dmp

    Filesize

    304KB

  • memory/2136-50-0x0000000007C10000-0x0000000007C2A000-memory.dmp

    Filesize

    104KB

  • memory/2136-37-0x0000000070860000-0x00000000708AC000-memory.dmp

    Filesize

    304KB

  • memory/2136-47-0x0000000006E90000-0x0000000006EAE000-memory.dmp

    Filesize

    120KB

  • memory/2136-48-0x0000000007AB0000-0x0000000007B53000-memory.dmp

    Filesize

    652KB

  • memory/2136-49-0x0000000008250000-0x00000000088CA000-memory.dmp

    Filesize

    6.5MB

  • memory/2332-8-0x0000000007DF0000-0x0000000007E0E000-memory.dmp

    Filesize

    120KB

  • memory/2332-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

    Filesize

    4KB

  • memory/2332-5-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2332-6-0x0000000005090000-0x000000000509A000-memory.dmp

    Filesize

    40KB

  • memory/2332-16-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2332-7-0x0000000005BD0000-0x0000000005C6C000-memory.dmp

    Filesize

    624KB

  • memory/2332-9-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

    Filesize

    4KB

  • memory/2332-11-0x0000000008190000-0x000000000821E000-memory.dmp

    Filesize

    568KB

  • memory/2332-10-0x0000000074C90000-0x0000000075440000-memory.dmp

    Filesize

    7.7MB

  • memory/2332-4-0x0000000005130000-0x0000000005484000-memory.dmp

    Filesize

    3.3MB

  • memory/2332-3-0x0000000004EC0000-0x0000000004F52000-memory.dmp

    Filesize

    584KB

  • memory/2332-2-0x0000000005530000-0x0000000005AD4000-memory.dmp

    Filesize

    5.6MB

  • memory/2332-1-0x0000000000420000-0x00000000004FA000-memory.dmp

    Filesize

    872KB