Analysis

  • max time kernel
    93s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 06:49

General

  • Target

    b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe

  • Size

    815KB

  • MD5

    4b95d663a28624b2651ef09806d6f999

  • SHA1

    bfb4c6ceba8957ac481083a009545ce2ab754ff0

  • SHA256

    b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751

  • SHA512

    13e2b66b940480d4173cb7cfa0c872664bc2d862d9de09a21a2bc2bbbe2a48d2f26ed73d86a0096e44e0d7ae42fc74474a37a007cac592ed3c7e79cbf4680516

  • SSDEEP

    24576:XsTo7do5wpkCEG9vG+3rG9SOSEHKpwsuv:A75CF9vGpHGwsG

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 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\b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe
    "C:\Users\Admin\AppData\Local\Temp\b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.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:1488
    • 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\b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2396
    • C:\Users\Admin\AppData\Local\Temp\b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe
      "C:\Users\Admin\AppData\Local\Temp\b98dd577f47b81df90226bd02f9375a77bd791aeb680440ded3c93b77698b751.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rahbg4f2.sio.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/1488-6-0x0000000005F40000-0x0000000005FDC000-memory.dmp

    Filesize

    624KB

  • memory/1488-2-0x00000000051F0000-0x0000000005794000-memory.dmp

    Filesize

    5.6MB

  • memory/1488-3-0x0000000004C40000-0x0000000004CD2000-memory.dmp

    Filesize

    584KB

  • memory/1488-4-0x0000000004BD0000-0x0000000004BDA000-memory.dmp

    Filesize

    40KB

  • memory/1488-5-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/1488-14-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/1488-7-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

    Filesize

    4KB

  • memory/1488-8-0x0000000004C20000-0x0000000004C32000-memory.dmp

    Filesize

    72KB

  • memory/1488-9-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/1488-10-0x00000000062C0000-0x000000000634E000-memory.dmp

    Filesize

    568KB

  • memory/1488-0-0x0000000074EEE000-0x0000000074EEF000-memory.dmp

    Filesize

    4KB

  • memory/1488-1-0x0000000000250000-0x0000000000320000-memory.dmp

    Filesize

    832KB

  • memory/2396-51-0x0000000007650000-0x000000000765A000-memory.dmp

    Filesize

    40KB

  • memory/2396-37-0x0000000070910000-0x000000007095C000-memory.dmp

    Filesize

    304KB

  • memory/2396-17-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/2396-16-0x0000000005570000-0x0000000005B98000-memory.dmp

    Filesize

    6.2MB

  • memory/2396-18-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/2396-60-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/2396-21-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/2396-22-0x00000000054C0000-0x0000000005526000-memory.dmp

    Filesize

    408KB

  • memory/2396-20-0x0000000005320000-0x0000000005342000-memory.dmp

    Filesize

    136KB

  • memory/2396-23-0x0000000005C90000-0x0000000005CF6000-memory.dmp

    Filesize

    408KB

  • memory/2396-57-0x0000000007900000-0x0000000007908000-memory.dmp

    Filesize

    32KB

  • memory/2396-33-0x0000000005F20000-0x0000000006274000-memory.dmp

    Filesize

    3.3MB

  • memory/2396-34-0x00000000062B0000-0x00000000062CE000-memory.dmp

    Filesize

    120KB

  • memory/2396-35-0x00000000062F0000-0x000000000633C000-memory.dmp

    Filesize

    304KB

  • memory/2396-36-0x0000000007270000-0x00000000072A2000-memory.dmp

    Filesize

    200KB

  • memory/2396-15-0x0000000002990000-0x00000000029C6000-memory.dmp

    Filesize

    216KB

  • memory/2396-47-0x0000000006870000-0x000000000688E000-memory.dmp

    Filesize

    120KB

  • memory/2396-48-0x00000000074B0000-0x0000000007553000-memory.dmp

    Filesize

    652KB

  • memory/2396-49-0x0000000007C20000-0x000000000829A000-memory.dmp

    Filesize

    6.5MB

  • memory/2396-50-0x00000000075E0000-0x00000000075FA000-memory.dmp

    Filesize

    104KB

  • memory/2396-56-0x0000000007920000-0x000000000793A000-memory.dmp

    Filesize

    104KB

  • memory/2396-52-0x0000000007860000-0x00000000078F6000-memory.dmp

    Filesize

    600KB

  • memory/2396-53-0x00000000077E0000-0x00000000077F1000-memory.dmp

    Filesize

    68KB

  • memory/2396-54-0x0000000007810000-0x000000000781E000-memory.dmp

    Filesize

    56KB

  • memory/2396-55-0x0000000007820000-0x0000000007834000-memory.dmp

    Filesize

    80KB

  • memory/4680-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/4680-12-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4680-19-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4680-61-0x0000000074EE0000-0x0000000075690000-memory.dmp

    Filesize

    7.7MB

  • memory/4680-62-0x0000000006840000-0x0000000006A02000-memory.dmp

    Filesize

    1.8MB

  • memory/4680-63-0x00000000066E0000-0x0000000006730000-memory.dmp

    Filesize

    320KB

  • memory/4680-64-0x0000000006F40000-0x000000000746C000-memory.dmp

    Filesize

    5.2MB