Analysis

  • max time kernel
    119s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    18-02-2025 08:06

General

  • Target

    250122 (BIG GEORGE) - INVOICE & SERVICE REPORT.exe

  • Size

    1.1MB

  • MD5

    ebbb79aac4f4b4bcf4aaf9a4770ecac4

  • SHA1

    ba8a196dfb2b1f35251fd1e44ab88c7503f80c90

  • SHA256

    03a1067ea97c62599aed6ca14c23d9310b2fcfd406a97875c730d41b92f4cb38

  • SHA512

    6d5301ef69bf5903e1a29b9805d597ea47cafcf913cab502397be4708e09e991b05810025cd4d47961f2a8e363e81c5a4e895819ffb46ddaa2d44e524636662b

  • SSDEEP

    24576:oqgGL8Y01qoeZgGdYqggpJD3CR7VpI8d:PLLjoeZgipJi7T

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 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 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 25 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\250122 (BIG GEORGE) - INVOICE & SERVICE REPORT.exe
    "C:\Users\Admin\AppData\Local\Temp\250122 (BIG GEORGE) - INVOICE & SERVICE REPORT.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2360
    • 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\250122 (BIG GEORGE) - INVOICE & SERVICE REPORT.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2964
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JoUvpw.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2688
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JoUvpw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp1B00.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2704
    • C:\Users\Admin\AppData\Local\Temp\250122 (BIG GEORGE) - INVOICE & SERVICE REPORT.exe
      "C:\Users\Admin\AppData\Local\Temp\250122 (BIG GEORGE) - INVOICE & SERVICE REPORT.exe"
      2⤵
        PID:2716
      • C:\Users\Admin\AppData\Local\Temp\250122 (BIG GEORGE) - INVOICE & SERVICE REPORT.exe
        "C:\Users\Admin\AppData\Local\Temp\250122 (BIG GEORGE) - INVOICE & SERVICE REPORT.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:2592

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp1B00.tmp

      Filesize

      1KB

      MD5

      787e9fdec2ce842f54bd472e63add5f0

      SHA1

      d30251481b527eae4b0ee50f411eab553bf6c519

      SHA256

      af88295e8c37951fa3e4531443c496a850abb84df16db33ca649ad227c271377

      SHA512

      1e5a7d0704e3096a2e1e1c1b4b55e64b107d02cae8ae79e886c666ae7e77cb261bcb82a8e7d883b25749a780c4ec17ba4e3cb5311781fc29b1b47f9aa8f2abcf

    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\TM0XICSTE84JLDSFBEJZ.temp

      Filesize

      7KB

      MD5

      66af4ed9e8c23089e6d02acaf7fbeba4

      SHA1

      485c9645d1e909de7a3193adc32d08e043a66e12

      SHA256

      9dedfc8db5a516d14afd687780642b368ab4369108485a0a220112043ff8b8c0

      SHA512

      fb9a7b39e4676a13593eed1df8091c4ea9e12e97c48833de33cfcc98519466a749885aa28c0b4920e3ef27f3b67151718d15958267cfeaff435d0b809b0b899d

    • memory/2360-4-0x000000007489E000-0x000000007489F000-memory.dmp

      Filesize

      4KB

    • memory/2360-31-0x0000000074890000-0x0000000074F7E000-memory.dmp

      Filesize

      6.9MB

    • memory/2360-0-0x000000007489E000-0x000000007489F000-memory.dmp

      Filesize

      4KB

    • memory/2360-5-0x0000000074890000-0x0000000074F7E000-memory.dmp

      Filesize

      6.9MB

    • memory/2360-6-0x00000000002D0000-0x000000000035E000-memory.dmp

      Filesize

      568KB

    • memory/2360-2-0x0000000074890000-0x0000000074F7E000-memory.dmp

      Filesize

      6.9MB

    • memory/2360-1-0x0000000000930000-0x0000000000A5C000-memory.dmp

      Filesize

      1.2MB

    • memory/2360-3-0x00000000004E0000-0x00000000004FE000-memory.dmp

      Filesize

      120KB

    • memory/2592-19-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2592-28-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2592-30-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2592-29-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2592-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2592-25-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2592-23-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2592-21-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB