Analysis

  • max time kernel
    121s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2024 18:16

General

  • Target

    326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8.exe

  • Size

    774KB

  • MD5

    34cc9882e5f377e3cedc9cd76033afca

  • SHA1

    2fe1fb1c072b31f9df45170add68c6c7cf59d27d

  • SHA256

    326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8

  • SHA512

    fc8c41243ee2fc468a2df74ec573ccb955a05b580ed7855c007079edbede6b2e4872de847b73d530809a67edb672ce9932b6be14309e300a32d05e4392c3b45e

  • SSDEEP

    12288:BJqGG8+FBxjYKsZAEEErsEKbRsuKJJtJ7e+fGR4o58gkR:dCF7URXr3K9stJi+fGGo5u

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7563060616:AAGgGu8pocoVNLzoow0Ge2U2GVDS9nDmL6Q/sendMessage?chat_id=7222025033

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 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 7 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\326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8.exe
    "C:\Users\Admin\AppData\Local\Temp\326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\urzvuvVy.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2704
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\urzvuvVy" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4173.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2016
    • C:\Users\Admin\AppData\Local\Temp\326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8.exe
      "C:\Users\Admin\AppData\Local\Temp\326d05c29c46e6ca7f2f1a9b534d8a2ffb98a13f74f8f26fff2057ad1f8e0ca8.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:2964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4173.tmp

    Filesize

    1KB

    MD5

    accae23223d090a7aacc32b8668e07fc

    SHA1

    c26ff6eddd5ca625cca2adf3d715a18cce8e76ae

    SHA256

    cff9888a3942d0445e9a7df4809403cd37bbc14dbd75319d5963d5802d5edae3

    SHA512

    b2dd190e637a906b65d370ab289e826469230f91eb6f8fd75f3f88c63cae758ac6068c48d7c623382a814c05bfcd3b2a515f5aab2d63be968456517577097aa5

  • memory/2388-27-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2388-1-0x0000000000C80000-0x0000000000D42000-memory.dmp

    Filesize

    776KB

  • memory/2388-2-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2388-3-0x0000000000410000-0x000000000042E000-memory.dmp

    Filesize

    120KB

  • memory/2388-4-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

    Filesize

    4KB

  • memory/2388-5-0x0000000073F20000-0x000000007460E000-memory.dmp

    Filesize

    6.9MB

  • memory/2388-6-0x0000000000590000-0x000000000061C000-memory.dmp

    Filesize

    560KB

  • memory/2388-0-0x0000000073F2E000-0x0000000073F2F000-memory.dmp

    Filesize

    4KB

  • memory/2964-14-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2964-26-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2964-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2964-20-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2964-18-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2964-24-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2964-16-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB

  • memory/2964-23-0x0000000000400000-0x000000000044A000-memory.dmp

    Filesize

    296KB