Analysis

  • max time kernel
    132s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-01-2025 07:38

General

  • Target

    Company introduction.exe

  • Size

    834KB

  • MD5

    10f72e53a2c9f106093c233b56a3a819

  • SHA1

    e8a63836ff90493559b69a1bc6d6080ba9370a99

  • SHA256

    84e892d4627a3a3aa053b30200788bd6942c046d2dadcf5121017a32e10142f2

  • SHA512

    cd83c1b9c6128b852f36f97a387c4c89b781f0b0b52702540b12c5878129a0352c3edc2c12e2fb13e8f159256272338833715c3d78d98c4a195b8e50bd1ebce2

  • SSDEEP

    24576:XsJN+UVsa/olYFjQyPIoqtpGFjcrpTZ6q6U7jbHXM:83+UfxFsyPIoqcETHFXX

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 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Company introduction.exe
    "C:\Users\Admin\AppData\Local\Temp\Company introduction.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:4996
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\FzXKnGk.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3176
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\FzXKnGk" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE416.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:780
    • C:\Users\Admin\AppData\Local\Temp\Company introduction.exe
      "C:\Users\Admin\AppData\Local\Temp\Company introduction.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:1636

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_3lha33yn.ql5.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpE416.tmp

    Filesize

    1KB

    MD5

    e859c1485965aa76233bf405fdf4b824

    SHA1

    f1e4d3e96e47a98d19fd9e25701075f339f881cb

    SHA256

    47cd457264fbf146a5ddc0a25891ae9bd95fa1e3c1112860afb3576469db42cb

    SHA512

    405460b89422fb339ebcc3eeadda513c417d2c40f20a5433d3329b2ea42d18f7c3d28ef7ed18b2d00c7ef0e1640e07f80184cac93de9012945a98491be25c7e2

  • memory/1636-69-0x0000000006830000-0x0000000006880000-memory.dmp

    Filesize

    320KB

  • memory/1636-68-0x00000000069A0000-0x0000000006B62000-memory.dmp

    Filesize

    1.8MB

  • memory/1636-67-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/1636-66-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/1636-29-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/1636-23-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/1636-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3176-26-0x0000000005920000-0x0000000005986000-memory.dmp

    Filesize

    408KB

  • memory/3176-59-0x0000000007D80000-0x0000000007D8E000-memory.dmp

    Filesize

    56KB

  • memory/3176-15-0x0000000005270000-0x00000000052A6000-memory.dmp

    Filesize

    216KB

  • memory/3176-16-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/3176-18-0x00000000059F0000-0x0000000006018000-memory.dmp

    Filesize

    6.2MB

  • memory/3176-65-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/3176-19-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/3176-20-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/3176-62-0x0000000007E70000-0x0000000007E78000-memory.dmp

    Filesize

    32KB

  • memory/3176-61-0x0000000007E90000-0x0000000007EAA000-memory.dmp

    Filesize

    104KB

  • memory/3176-60-0x0000000007D90000-0x0000000007DA4000-memory.dmp

    Filesize

    80KB

  • memory/3176-25-0x0000000005880000-0x00000000058A2000-memory.dmp

    Filesize

    136KB

  • memory/3176-27-0x0000000006020000-0x0000000006086000-memory.dmp

    Filesize

    408KB

  • memory/3176-58-0x0000000007D50000-0x0000000007D61000-memory.dmp

    Filesize

    68KB

  • memory/3176-57-0x0000000007DD0000-0x0000000007E66000-memory.dmp

    Filesize

    600KB

  • memory/3176-56-0x0000000007BC0000-0x0000000007BCA000-memory.dmp

    Filesize

    40KB

  • memory/3176-28-0x00000000061F0000-0x0000000006544000-memory.dmp

    Filesize

    3.3MB

  • memory/3176-39-0x0000000006830000-0x000000000684E000-memory.dmp

    Filesize

    120KB

  • memory/3176-40-0x00000000068C0000-0x000000000690C000-memory.dmp

    Filesize

    304KB

  • memory/3176-41-0x0000000007820000-0x0000000007852000-memory.dmp

    Filesize

    200KB

  • memory/3176-42-0x00000000700B0000-0x00000000700FC000-memory.dmp

    Filesize

    304KB

  • memory/3176-52-0x0000000006E00000-0x0000000006E1E000-memory.dmp

    Filesize

    120KB

  • memory/3176-53-0x0000000007860000-0x0000000007903000-memory.dmp

    Filesize

    652KB

  • memory/3176-54-0x0000000008190000-0x000000000880A000-memory.dmp

    Filesize

    6.5MB

  • memory/3176-55-0x0000000007B50000-0x0000000007B6A000-memory.dmp

    Filesize

    104KB

  • memory/4996-5-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/4996-6-0x0000000005D80000-0x0000000005DA6000-memory.dmp

    Filesize

    152KB

  • memory/4996-0-0x000000007468E000-0x000000007468F000-memory.dmp

    Filesize

    4KB

  • memory/4996-10-0x000000000C850000-0x000000000C8EC000-memory.dmp

    Filesize

    624KB

  • memory/4996-24-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/4996-7-0x000000007468E000-0x000000007468F000-memory.dmp

    Filesize

    4KB

  • memory/4996-8-0x0000000074680000-0x0000000074E30000-memory.dmp

    Filesize

    7.7MB

  • memory/4996-9-0x00000000052D0000-0x000000000535E000-memory.dmp

    Filesize

    568KB

  • memory/4996-4-0x0000000005A80000-0x0000000005A8A000-memory.dmp

    Filesize

    40KB

  • memory/4996-3-0x00000000058D0000-0x0000000005962000-memory.dmp

    Filesize

    584KB

  • memory/4996-2-0x0000000005DA0000-0x0000000006344000-memory.dmp

    Filesize

    5.6MB

  • memory/4996-1-0x0000000000E60000-0x0000000000F36000-memory.dmp

    Filesize

    856KB