Analysis

  • max time kernel
    117s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    19-12-2024 05:26

General

  • Target

    2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe

  • Size

    673KB

  • MD5

    d4539ea8b3689c0ac5a29bab586e6e5e

  • SHA1

    58ec88f92ca5aa9d831a3ebc44de2c7342ecd695

  • SHA256

    44a782c64fd57204e1c120a41ff620c28695edd03890c4e615503c044079720a

  • SHA512

    682143a973b491353de78f9df22f4ee342332547041c52602f3c5c77cfba840d4842a9b4780aef6c3f08541a35b65158f4b128303d71527e4578c015f8ca1d12

  • SSDEEP

    12288:HTYZll4HvBGpLkYYiUBfei3+/CKxaQ4o7YW+IMHeke6zp7Su8dAA:HTvPBGBZYbfRObieke6zpkA

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot7269639819:AAEhAhUQSG9Gc6LkCmuL5O3qAZPTOuQdnsQ/sendMessage?chat_id=1984778786

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 and hide display window.

  • Drops startup file 2 IoCs
  • 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.

  • 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 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
      "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\news.exe'
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Drops startup file
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3056
    • C:\Users\Admin\AppData\Local\Temp\2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe
      "C:\Users\Admin\AppData\Local\Temp\2024-12-19_d4539ea8b3689c0ac5a29bab586e6e5e_hiddentear.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:768

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/768-16-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/768-20-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/768-14-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/768-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/768-22-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/768-23-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/768-13-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/768-15-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/1728-25-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/1728-1-0x0000000000A20000-0x0000000000ACE000-memory.dmp

    Filesize

    696KB

  • memory/1728-3-0x00000000021C0000-0x0000000002250000-memory.dmp

    Filesize

    576KB

  • memory/1728-0-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

    Filesize

    4KB

  • memory/1728-2-0x0000000074E50000-0x000000007553E000-memory.dmp

    Filesize

    6.9MB

  • memory/1728-12-0x0000000000970000-0x0000000000978000-memory.dmp

    Filesize

    32KB

  • memory/1728-24-0x0000000074E5E000-0x0000000074E5F000-memory.dmp

    Filesize

    4KB

  • memory/3056-8-0x000000006FC40000-0x00000000701EB000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-9-0x000000006FC40000-0x00000000701EB000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-7-0x000000006FC40000-0x00000000701EB000-memory.dmp

    Filesize

    5.7MB

  • memory/3056-6-0x000000006FC41000-0x000000006FC42000-memory.dmp

    Filesize

    4KB

  • memory/3056-11-0x000000006FC40000-0x00000000701EB000-memory.dmp

    Filesize

    5.7MB