Analysis

  • max time kernel
    121s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20241023-en
  • resource tags

    arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
  • submitted
    01/11/2024, 03:58

General

  • Target

    Product Inquiry-002.exe

  • Size

    842KB

  • MD5

    4b1f61e78f7a293075a6af95469c7411

  • SHA1

    4bac43439e2c4207feeaf0b1e0075fe50bbd4e0a

  • SHA256

    9909337f624a1c2eb7aef7670b4ee0aff10baf7cae381b373c9463d68caa5a06

  • SHA512

    862642bca542c71212a0ce8c9bd074c96ce1888e67c90c325e26c6ef1e233d1e056b354dd54d31c36ad6a2f973735d02bc60065468cce53af6af3e4358926463

  • SSDEEP

    24576:k1jh9nDTV/f9I/w8gfk4WolpFqYb21jd1ATm:uj3VnIw8gNWoAY65d1p

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 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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 5 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 11 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Product Inquiry-002.exe
    "C:\Users\Admin\AppData\Local\Temp\Product Inquiry-002.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2084
    • 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\Product Inquiry-002.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2820
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\KrNxPXjrA.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2184
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\KrNxPXjrA" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B9C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:1496
    • C:\Users\Admin\AppData\Local\Temp\Product Inquiry-002.exe
      "C:\Users\Admin\AppData\Local\Temp\Product Inquiry-002.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:1916

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1B9C.tmp

    Filesize

    1KB

    MD5

    0bdc13585d45a65b95f75ac4802df730

    SHA1

    f2a8494793382b6dc496fcbad40ed5e5139f8c17

    SHA256

    b4ef79b2607c52e44d718474d726718e01afb00efbc78bdf396e0c4f48be2bc7

    SHA512

    555940cec5cdc98661fb08cee8d301f0ab25727fb0b9f5b13895835d6479130295e349014fa7fae349ebf4cbd1c0c7791b12f15a1376bc2675d9808a424e2dac

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\GVU36JI88IAODDG1L6RJ.temp

    Filesize

    7KB

    MD5

    acb25897f562373eaf61363d967f532c

    SHA1

    5c6b35d024cf270f225b5fd61fb054993e272772

    SHA256

    216e206f1e6437d77d455b44012090af688d701425a984603fefa9cb81750907

    SHA512

    e4070916a95a0c004e9c89bb7b3196308ee21b83cb47e4b2c3516d3ec63c2b801d90a168b6854de62fb71fcdaf4105bfd99c674030f23c717ceea8db78304afc

  • memory/1916-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1916-31-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1916-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1916-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1916-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1916-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1916-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/1916-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2084-32-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-3-0x00000000004C0000-0x00000000004DC000-memory.dmp

    Filesize

    112KB

  • memory/2084-0-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

    Filesize

    4KB

  • memory/2084-2-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-6-0x0000000000370000-0x00000000003FC000-memory.dmp

    Filesize

    560KB

  • memory/2084-5-0x0000000074B80000-0x000000007526E000-memory.dmp

    Filesize

    6.9MB

  • memory/2084-4-0x0000000074B8E000-0x0000000074B8F000-memory.dmp

    Filesize

    4KB

  • memory/2084-1-0x0000000001040000-0x0000000001114000-memory.dmp

    Filesize

    848KB