Analysis

  • max time kernel
    118s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    17-01-2025 07:03

General

  • Target

    f89d5db1d93b61d6e6346fa86e914a5b02e927c8eee905e658b0818f76a545ca.exe

  • Size

    912KB

  • MD5

    14246ea59962956247cb757ff4c485e8

  • SHA1

    41233827e40eacdc99a408d0b0ecfe78ee24120c

  • SHA256

    f89d5db1d93b61d6e6346fa86e914a5b02e927c8eee905e658b0818f76a545ca

  • SHA512

    8dda3374a819f3be57a2793094a77b663af924268e810eb36872e1b308c3faa0bf1dc374d26ad1ce94d6d86a5e958a8bff4b9d647658c0d1265b378857ea1e00

  • SSDEEP

    24576:7uGlcxORH/ZzPIHhHh79f1P7RTpmZl/7kcmsbY:7uOLUhrP7RTYr

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7293224337:AAGQ5dfI8Gbcc9C0VWXufkTkIt2XTgIrMks/sendMessage?chat_id=7727510436

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.

  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f89d5db1d93b61d6e6346fa86e914a5b02e927c8eee905e658b0818f76a545ca.exe
    "C:\Users\Admin\AppData\Local\Temp\f89d5db1d93b61d6e6346fa86e914a5b02e927c8eee905e658b0818f76a545ca.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2064
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\teXfNv.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\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\teXfNv" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE10C.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2412
    • C:\Users\Admin\AppData\Local\Temp\f89d5db1d93b61d6e6346fa86e914a5b02e927c8eee905e658b0818f76a545ca.exe
      "C:\Users\Admin\AppData\Local\Temp\f89d5db1d93b61d6e6346fa86e914a5b02e927c8eee905e658b0818f76a545ca.exe"
      2⤵
        PID:2872
      • C:\Users\Admin\AppData\Local\Temp\f89d5db1d93b61d6e6346fa86e914a5b02e927c8eee905e658b0818f76a545ca.exe
        "C:\Users\Admin\AppData\Local\Temp\f89d5db1d93b61d6e6346fa86e914a5b02e927c8eee905e658b0818f76a545ca.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

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmpE10C.tmp

      Filesize

      1KB

      MD5

      77b7bd7f14c32e9cb0160b3f2d4fc27b

      SHA1

      7501661a3b491457193e778bac4f1c4d0232e328

      SHA256

      5ce2eb6db0424c9028f816ca6bf409f1a1bc961b52ef0bea492c79b032a68c44

      SHA512

      79ce3191509a4634e6cb12c4c75ac6d854b3777ac36d45dcda007961e9ea2b6da68794d9dd9eedd99d6ed5cf2737d22a3f900cfb8e47db1b090e225e3d6cef80

    • memory/2064-26-0x00000000748A0000-0x0000000074F8E000-memory.dmp

      Filesize

      6.9MB

    • memory/2064-1-0x0000000010CB0000-0x0000000010D9A000-memory.dmp

      Filesize

      936KB

    • memory/2064-2-0x00000000748A0000-0x0000000074F8E000-memory.dmp

      Filesize

      6.9MB

    • memory/2064-3-0x00000000005A0000-0x00000000005C6000-memory.dmp

      Filesize

      152KB

    • memory/2064-4-0x00000000748AE000-0x00000000748AF000-memory.dmp

      Filesize

      4KB

    • memory/2064-5-0x00000000748A0000-0x0000000074F8E000-memory.dmp

      Filesize

      6.9MB

    • memory/2064-6-0x0000000005B20000-0x0000000005BAE000-memory.dmp

      Filesize

      568KB

    • memory/2064-0-0x00000000748AE000-0x00000000748AF000-memory.dmp

      Filesize

      4KB

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

      Filesize

      288KB

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

      Filesize

      288KB

    • memory/2740-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2740-20-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2740-18-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2740-16-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2740-14-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2740-24-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB