Analysis

  • max time kernel
    117s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    11-11-2024 10:47

General

  • Target

    Request for Quotation MK FMHS.RFQ.24.11.07.bat.exe

  • Size

    901KB

  • MD5

    39160062bf5c599a2176c44c4bd10b0b

  • SHA1

    7906e08060fb52bd72450f179338510282d204dd

  • SHA256

    955cb8de75d1143a7094743387ce5f52afecef4a07b22040d1da54050fed13cd

  • SHA512

    2eeff46c5aea104042f4ad0bf56ea4d5ffc1ea61c25d5c359fd862f33dd2d09d9949c1becbd78c9383c128d447789ceb8ab9357f623824363c8f43daf356d7b5

  • SSDEEP

    24576:1q0q4jNmNd746eRuKhEZkdM6yn8dvj7Nm:1qsmDedZyyj

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 6 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\Request for Quotation MK FMHS.RFQ.24.11.07.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\Request for Quotation MK FMHS.RFQ.24.11.07.bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1292
    • 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\Request for Quotation MK FMHS.RFQ.24.11.07.bat.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2776
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\mwyDoQDXVAon.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3068
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mwyDoQDXVAon" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1545.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2784
    • C:\Users\Admin\AppData\Local\Temp\Request for Quotation MK FMHS.RFQ.24.11.07.bat.exe
      "C:\Users\Admin\AppData\Local\Temp\Request for Quotation MK FMHS.RFQ.24.11.07.bat.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:2740

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp1545.tmp

    Filesize

    1KB

    MD5

    5d15e5c283f9120500653ae7c49c93e7

    SHA1

    a894d0cdcaa3871c26cde953095effdde3b58c6e

    SHA256

    b274741f31e4884a3946e96d77277a9533e2401a6ed9e3a86c747e86c784bf64

    SHA512

    406263d3736574429e4b7cd7e628d18bd98f1b6f73d597288d45e19fe461f75136fdaf47cac62a428cfd48d3949ba776c50d11f671c72d888f761add460e8c50

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\HDNJY8UX1H7307PIAF7I.temp

    Filesize

    7KB

    MD5

    612c3ab4bcad16c7ca08b66d4f57b9aa

    SHA1

    b5ae70d0ec293de450e091357854010a07e17673

    SHA256

    233262d8cdf21fe22d4de665658b4e4beab8eb34ecd0986bb0f627896916c676

    SHA512

    df723f76a31d91f534a52823b5d62d57dfa751b3dde7e903a7aa0cffe11d3cc8650887285045ac14a74a8c913cf377627a468a848286229692509f62b67a78d2

  • memory/1292-4-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1292-31-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1292-0-0x00000000740CE000-0x00000000740CF000-memory.dmp

    Filesize

    4KB

  • memory/1292-5-0x0000000000900000-0x000000000091C000-memory.dmp

    Filesize

    112KB

  • memory/1292-6-0x0000000000A60000-0x0000000000AEC000-memory.dmp

    Filesize

    560KB

  • memory/1292-2-0x00000000740C0000-0x00000000747AE000-memory.dmp

    Filesize

    6.9MB

  • memory/1292-1-0x0000000000C30000-0x0000000000D16000-memory.dmp

    Filesize

    920KB

  • memory/1292-3-0x00000000740CE000-0x00000000740CF000-memory.dmp

    Filesize

    4KB

  • memory/2740-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-29-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-28-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2740-25-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-23-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-21-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2740-30-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB