Analysis

  • max time kernel
    61s
  • max time network
    113s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24/02/2025, 18:08

General

  • Target

    3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe

  • Size

    760KB

  • MD5

    0d95d88f007b5608054477fa34fc5b30

  • SHA1

    1b8adcf812bb5a06349018ec2543009121ef5df9

  • SHA256

    3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9

  • SHA512

    f9efbe292904296ba9d8939377ec84564280c7ff246ef1b3c088c5a30cf7e9766fb06e73acd13f88a6c3795f55b559ac749f9ca8c9835e93c822c51a33ef2e5b

  • SSDEEP

    12288:0BxgmmpFgv/kav5KneklnTpQK/fiWkNPnEHGZARW+u:wkA1vtwTp9qbPEmZO

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.

  • 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 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe
    "C:\Users\Admin\AppData\Local\Temp\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2280
    • 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\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2840
    • C:\Users\Admin\AppData\Local\Temp\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe
      "C:\Users\Admin\AppData\Local\Temp\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe"
      2⤵
        PID:2824
      • C:\Users\Admin\AppData\Local\Temp\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.exe
        "C:\Users\Admin\AppData\Local\Temp\3a3ab32e4de2e4d9b2548961a5af1841fb8ea6e8b661679e6fcb963df324d7e9N.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:1988

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1988-20-0x0000000074420000-0x0000000074B0E000-memory.dmp

      Filesize

      6.9MB

    • memory/1988-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/1988-26-0x0000000074420000-0x0000000074B0E000-memory.dmp

      Filesize

      6.9MB

    • memory/1988-25-0x0000000074420000-0x0000000074B0E000-memory.dmp

      Filesize

      6.9MB

    • memory/1988-22-0x0000000074420000-0x0000000074B0E000-memory.dmp

      Filesize

      6.9MB

    • memory/1988-17-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1988-7-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1988-19-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1988-15-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1988-9-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1988-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1988-12-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2280-5-0x0000000074420000-0x0000000074B0E000-memory.dmp

      Filesize

      6.9MB

    • memory/2280-1-0x00000000000E0000-0x00000000001A4000-memory.dmp

      Filesize

      784KB

    • memory/2280-6-0x00000000004F0000-0x000000000057E000-memory.dmp

      Filesize

      568KB

    • memory/2280-0-0x000000007442E000-0x000000007442F000-memory.dmp

      Filesize

      4KB

    • memory/2280-21-0x0000000074420000-0x0000000074B0E000-memory.dmp

      Filesize

      6.9MB

    • memory/2280-4-0x000000007442E000-0x000000007442F000-memory.dmp

      Filesize

      4KB

    • memory/2280-3-0x00000000005E0000-0x00000000005FE000-memory.dmp

      Filesize

      120KB

    • memory/2280-2-0x0000000074420000-0x0000000074B0E000-memory.dmp

      Filesize

      6.9MB