Analysis

  • max time kernel
    70s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2024 01:15

General

  • Target

    58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe

  • Size

    895KB

  • MD5

    57eaf38e20f6d661443eaeb9985068ab

  • SHA1

    c929f7c3474ec2c5fc8c76a8bfc2f4721876ec06

  • SHA256

    58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa

  • SHA512

    c79f5d835759a2c0bd9f9cd61e0247bdd585e8f744e69ac6165181cfd9f21806a3b4fbe515b71422b6a3c950ba586125454459ed016088712e22b6c3a5e4043f

  • SSDEEP

    12288:HNT+fj05JDHmQaRyWrXOBV9q2Rd7LdUHnjbxS2Kl60/IAsTre:tejyZGQaIVqQRcZSJl60AAsfe

Malware Config

Extracted

Family

vipkeylogger

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 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 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe
    "C:\Users\Admin\AppData\Local\Temp\58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2120
    • 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\58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2896
    • C:\Users\Admin\AppData\Local\Temp\58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe
      "C:\Users\Admin\AppData\Local\Temp\58cbc47484f19c3e80f6ae457446af12584e71facbb05689ad4d232da9ec00aa.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2616

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2120-0-0x00000000749FE000-0x00000000749FF000-memory.dmp

    Filesize

    4KB

  • memory/2120-1-0x0000000001230000-0x0000000001316000-memory.dmp

    Filesize

    920KB

  • memory/2120-2-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2120-3-0x0000000000290000-0x00000000002AC000-memory.dmp

    Filesize

    112KB

  • memory/2120-4-0x00000000749FE000-0x00000000749FF000-memory.dmp

    Filesize

    4KB

  • memory/2120-5-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2120-6-0x0000000005C90000-0x0000000005D1E000-memory.dmp

    Filesize

    568KB

  • memory/2120-21-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-20-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-15-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2616-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2616-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2616-12-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2616-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2616-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2616-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2616-17-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2616-22-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-25-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB

  • memory/2616-26-0x00000000749F0000-0x00000000750DE000-memory.dmp

    Filesize

    6.9MB