Analysis

  • max time kernel
    127s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250129-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-01-2025 03:46

General

  • Target

    ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe

  • Size

    829KB

  • MD5

    67ac014a244d792327eb72da981e9039

  • SHA1

    eabcb5df5f257ef95d771c5712282566669851e0

  • SHA256

    ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c

  • SHA512

    0f68f11ca91eb49c9b4d9c0f9e36111cd7c4358d2094835a145bf85a2baeaa882e5e4f1852839ee9dac75735a8205d16e42fc530ea65b095b0cc73b010e35101

  • SSDEEP

    12288:pTmTJhliReYOTJ+TkzNql2bAHG0Ic2tukCEY6Nzub/1SBaDT6x+Krb/04L1d+mjg:4baeYiECW2j02rQbVTorz0i1LiNGoyg

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 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\ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe
    "C:\Users\Admin\AppData\Local\Temp\ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2960
    • 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\ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3288
    • C:\Users\Admin\AppData\Local\Temp\ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe
      "C:\Users\Admin\AppData\Local\Temp\ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.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:3292

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\ef4542ea173af7c534a1b96e14eb0dd06b8db524960345c789dab974f49da59c.exe.log

    Filesize

    1KB

    MD5

    7cad59aef5a93f093b6ba494f13f796f

    SHA1

    3cef97b77939bfc06dfd3946fc1a8cd159f67100

    SHA256

    1e1b444fe2d8772f6709b22b94bb5b0aa7fa590f6a693705d9bf1f2f71267a55

    SHA512

    8cedd03efec34c6226a01fd6b4831a689be16545ea6b849cd96f775e0722bfefd4b47f3dd8401d2080d341d4319f75995ece60de44352a1f86a2e5dc01e6210b

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ni5azxl3.vdd.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/2960-8-0x0000000006C70000-0x0000000006C8E000-memory.dmp

    Filesize

    120KB

  • memory/2960-9-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

    Filesize

    4KB

  • memory/2960-4-0x0000000005500000-0x0000000005854000-memory.dmp

    Filesize

    3.3MB

  • memory/2960-5-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/2960-6-0x00000000058D0000-0x00000000058DA000-memory.dmp

    Filesize

    40KB

  • memory/2960-7-0x0000000006B70000-0x0000000006C3A000-memory.dmp

    Filesize

    808KB

  • memory/2960-17-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/2960-3-0x0000000005460000-0x00000000054F2000-memory.dmp

    Filesize

    584KB

  • memory/2960-10-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/2960-11-0x0000000004E70000-0x0000000004EFE000-memory.dmp

    Filesize

    568KB

  • memory/2960-12-0x000000000DDE0000-0x000000000DE7C000-memory.dmp

    Filesize

    624KB

  • memory/2960-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

    Filesize

    4KB

  • memory/2960-2-0x0000000005910000-0x0000000005EB4000-memory.dmp

    Filesize

    5.6MB

  • memory/2960-1-0x00000000009B0000-0x0000000000A84000-memory.dmp

    Filesize

    848KB

  • memory/3288-28-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3288-56-0x00000000075E0000-0x00000000075F1000-memory.dmp

    Filesize

    68KB

  • memory/3288-19-0x0000000005260000-0x0000000005888000-memory.dmp

    Filesize

    6.2MB

  • memory/3288-20-0x0000000005100000-0x0000000005122000-memory.dmp

    Filesize

    136KB

  • memory/3288-21-0x00000000051A0000-0x0000000005206000-memory.dmp

    Filesize

    408KB

  • memory/3288-62-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3288-59-0x0000000007720000-0x000000000773A000-memory.dmp

    Filesize

    104KB

  • memory/3288-34-0x0000000005BF0000-0x0000000005F44000-memory.dmp

    Filesize

    3.3MB

  • memory/3288-60-0x0000000007700000-0x0000000007708000-memory.dmp

    Filesize

    32KB

  • memory/3288-22-0x0000000005980000-0x00000000059E6000-memory.dmp

    Filesize

    408KB

  • memory/3288-35-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3288-36-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3288-37-0x00000000060C0000-0x00000000060DE000-memory.dmp

    Filesize

    120KB

  • memory/3288-38-0x00000000060F0000-0x000000000613C000-memory.dmp

    Filesize

    304KB

  • memory/3288-40-0x00000000709A0000-0x00000000709EC000-memory.dmp

    Filesize

    304KB

  • memory/3288-39-0x00000000066A0000-0x00000000066D2000-memory.dmp

    Filesize

    200KB

  • memory/3288-50-0x0000000006660000-0x000000000667E000-memory.dmp

    Filesize

    120KB

  • memory/3288-51-0x00000000072B0000-0x0000000007353000-memory.dmp

    Filesize

    652KB

  • memory/3288-53-0x00000000073E0000-0x00000000073FA000-memory.dmp

    Filesize

    104KB

  • memory/3288-52-0x0000000007A20000-0x000000000809A000-memory.dmp

    Filesize

    6.5MB

  • memory/3288-54-0x0000000007450000-0x000000000745A000-memory.dmp

    Filesize

    40KB

  • memory/3288-55-0x0000000007660000-0x00000000076F6000-memory.dmp

    Filesize

    600KB

  • memory/3288-18-0x00000000027B0000-0x00000000027E6000-memory.dmp

    Filesize

    216KB

  • memory/3288-57-0x0000000007610000-0x000000000761E000-memory.dmp

    Filesize

    56KB

  • memory/3288-58-0x0000000007620000-0x0000000007634000-memory.dmp

    Filesize

    80KB

  • memory/3292-33-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3292-13-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3292-16-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3292-63-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3292-64-0x0000000006E30000-0x0000000006FF2000-memory.dmp

    Filesize

    1.8MB

  • memory/3292-65-0x0000000006CD0000-0x0000000006D20000-memory.dmp

    Filesize

    320KB