Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19/02/2025, 13:25

General

  • Target

    Invoice.exe

  • Size

    1.0MB

  • MD5

    b5f9ac41a360df3241952f211876e07b

  • SHA1

    a90f3b69a7e2fce51ed74166e6e9dd10cecd469c

  • SHA256

    2c2e60c86b73901d5a0e81c960c0ab4ce4bebe99684a0d992119575340738ae5

  • SHA512

    2b737709c3d7be16a1d3dad5fdc6629bae92acb2bfd5fbb4f7098f219c13dfcdb75f4a6b0b66410b1593501bbdeea47fd708aa9638885fd6981d035b9bb2da19

  • SSDEEP

    24576:FQvageiojwMklfJqAUBnkVOW/8pNU5C2yqi:Fa7eiUFoRq1uOW/8kQxt

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot8082602195:AAFEfFJhrQIeYK1ePwWkv9BtH5VWo-1iIJM/sendMessage?chat_id=5101327412

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.

  • 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Invoice.exe
    "C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2380
    • 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\Invoice.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1744
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:264
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 264 -s 1072
        3⤵
        • Program crash
        PID:2840

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/264-13-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/264-17-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/264-9-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/264-11-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/264-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/264-7-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/264-22-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/264-19-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2380-1-0x0000000000350000-0x000000000045A000-memory.dmp

    Filesize

    1.0MB

  • memory/2380-5-0x00000000745F0000-0x0000000074CDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-6-0x0000000005C70000-0x0000000005CFE000-memory.dmp

    Filesize

    568KB

  • memory/2380-4-0x00000000745FE000-0x00000000745FF000-memory.dmp

    Filesize

    4KB

  • memory/2380-0-0x00000000745FE000-0x00000000745FF000-memory.dmp

    Filesize

    4KB

  • memory/2380-3-0x0000000000510000-0x000000000052E000-memory.dmp

    Filesize

    120KB

  • memory/2380-2-0x00000000745F0000-0x0000000074CDE000-memory.dmp

    Filesize

    6.9MB

  • memory/2380-25-0x00000000745F0000-0x0000000074CDE000-memory.dmp

    Filesize

    6.9MB