Analysis

  • max time kernel
    143s
  • max time network
    136s
  • 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 11:13

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:3492
    • 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:2848
    • 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:1040

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_fb1tn5hw.epw.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1040-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1040-66-0x0000000074CF0000-0x00000000754A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1040-65-0x0000000007670000-0x0000000007B9C000-memory.dmp

    Filesize

    5.2MB

  • memory/1040-64-0x0000000006DF0000-0x0000000006E40000-memory.dmp

    Filesize

    320KB

  • memory/1040-63-0x0000000006F70000-0x0000000007132000-memory.dmp

    Filesize

    1.8MB

  • memory/1040-62-0x0000000074CF0000-0x00000000754A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1040-21-0x0000000074CF0000-0x00000000754A0000-memory.dmp

    Filesize

    7.7MB

  • memory/1040-14-0x0000000074CF0000-0x00000000754A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2848-51-0x00000000074E0000-0x00000000074FA000-memory.dmp

    Filesize

    104KB

  • memory/2848-37-0x0000000006780000-0x00000000067B2000-memory.dmp

    Filesize

    200KB

  • memory/2848-61-0x0000000074CF0000-0x00000000754A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2848-58-0x0000000007800000-0x0000000007808000-memory.dmp

    Filesize

    32KB

  • memory/2848-57-0x0000000007820000-0x000000000783A000-memory.dmp

    Filesize

    104KB

  • memory/2848-56-0x0000000007720000-0x0000000007734000-memory.dmp

    Filesize

    80KB

  • memory/2848-16-0x0000000004C10000-0x0000000004C46000-memory.dmp

    Filesize

    216KB

  • memory/2848-18-0x0000000005280000-0x00000000058A8000-memory.dmp

    Filesize

    6.2MB

  • memory/2848-19-0x0000000074CF0000-0x00000000754A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2848-17-0x0000000074CF0000-0x00000000754A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2848-20-0x0000000074CF0000-0x00000000754A0000-memory.dmp

    Filesize

    7.7MB

  • memory/2848-55-0x0000000007710000-0x000000000771E000-memory.dmp

    Filesize

    56KB

  • memory/2848-22-0x0000000005200000-0x0000000005222000-memory.dmp

    Filesize

    136KB

  • memory/2848-24-0x0000000005990000-0x00000000059F6000-memory.dmp

    Filesize

    408KB

  • memory/2848-23-0x0000000005920000-0x0000000005986000-memory.dmp

    Filesize

    408KB

  • memory/2848-54-0x00000000076E0000-0x00000000076F1000-memory.dmp

    Filesize

    68KB

  • memory/2848-34-0x0000000005B80000-0x0000000005ED4000-memory.dmp

    Filesize

    3.3MB

  • memory/2848-35-0x00000000061B0000-0x00000000061CE000-memory.dmp

    Filesize

    120KB

  • memory/2848-36-0x00000000061E0000-0x000000000622C000-memory.dmp

    Filesize

    304KB

  • memory/2848-53-0x0000000007760000-0x00000000077F6000-memory.dmp

    Filesize

    600KB

  • memory/2848-38-0x00000000705D0000-0x000000007061C000-memory.dmp

    Filesize

    304KB

  • memory/2848-48-0x00000000067C0000-0x00000000067DE000-memory.dmp

    Filesize

    120KB

  • memory/2848-49-0x00000000071A0000-0x0000000007243000-memory.dmp

    Filesize

    652KB

  • memory/2848-50-0x0000000007B20000-0x000000000819A000-memory.dmp

    Filesize

    6.5MB

  • memory/2848-52-0x0000000007550000-0x000000000755A000-memory.dmp

    Filesize

    40KB

  • memory/3492-9-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

    Filesize

    4KB

  • memory/3492-10-0x0000000074CF0000-0x00000000754A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3492-7-0x0000000074CF0000-0x00000000754A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3492-6-0x00000000059A0000-0x0000000005A3C000-memory.dmp

    Filesize

    624KB

  • memory/3492-15-0x0000000074CF0000-0x00000000754A0000-memory.dmp

    Filesize

    7.7MB

  • memory/3492-8-0x0000000005270000-0x0000000005282000-memory.dmp

    Filesize

    72KB

  • memory/3492-0-0x0000000074CFE000-0x0000000074CFF000-memory.dmp

    Filesize

    4KB

  • memory/3492-11-0x0000000005EF0000-0x0000000005F7E000-memory.dmp

    Filesize

    568KB

  • memory/3492-5-0x0000000005280000-0x000000000528A000-memory.dmp

    Filesize

    40KB

  • memory/3492-4-0x0000000004E20000-0x0000000005174000-memory.dmp

    Filesize

    3.3MB

  • memory/3492-3-0x0000000004C80000-0x0000000004D12000-memory.dmp

    Filesize

    584KB

  • memory/3492-2-0x0000000005350000-0x00000000058F4000-memory.dmp

    Filesize

    5.6MB

  • memory/3492-1-0x00000000002F0000-0x00000000003F8000-memory.dmp

    Filesize

    1.0MB