Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-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 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 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:780
    • 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:2336
    • 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:2424

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_lf25o01g.w4y.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/780-12-0x0000000005490000-0x0000000005498000-memory.dmp

    Filesize

    32KB

  • memory/780-1-0x0000000000940000-0x00000000009EE000-memory.dmp

    Filesize

    696KB

  • memory/780-2-0x0000000005810000-0x0000000005DB4000-memory.dmp

    Filesize

    5.6MB

  • memory/780-3-0x0000000005300000-0x0000000005392000-memory.dmp

    Filesize

    584KB

  • memory/780-4-0x00000000052B0000-0x00000000052BA000-memory.dmp

    Filesize

    40KB

  • memory/780-5-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/780-6-0x0000000005560000-0x00000000055F0000-memory.dmp

    Filesize

    576KB

  • memory/780-7-0x0000000005690000-0x000000000572C000-memory.dmp

    Filesize

    624KB

  • memory/780-39-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/780-38-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

    Filesize

    4KB

  • memory/780-0-0x0000000074DBE000-0x0000000074DBF000-memory.dmp

    Filesize

    4KB

  • memory/2336-14-0x00000000052F0000-0x0000000005312000-memory.dmp

    Filesize

    136KB

  • memory/2336-8-0x0000000004D50000-0x0000000004D86000-memory.dmp

    Filesize

    216KB

  • memory/2336-16-0x0000000005B50000-0x0000000005BB6000-memory.dmp

    Filesize

    408KB

  • memory/2336-15-0x0000000005AE0000-0x0000000005B46000-memory.dmp

    Filesize

    408KB

  • memory/2336-11-0x00000000053C0000-0x00000000059E8000-memory.dmp

    Filesize

    6.2MB

  • memory/2336-10-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2336-9-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2336-23-0x0000000005CC0000-0x0000000006014000-memory.dmp

    Filesize

    3.3MB

  • memory/2336-37-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2336-29-0x00000000062A0000-0x00000000062BE000-memory.dmp

    Filesize

    120KB

  • memory/2336-30-0x0000000006340000-0x000000000638C000-memory.dmp

    Filesize

    304KB

  • memory/2336-32-0x0000000006790000-0x00000000067AA000-memory.dmp

    Filesize

    104KB

  • memory/2336-33-0x00000000067E0000-0x0000000006802000-memory.dmp

    Filesize

    136KB

  • memory/2336-31-0x0000000007210000-0x00000000072A6000-memory.dmp

    Filesize

    600KB

  • memory/2424-28-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2424-13-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2424-17-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2424-40-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2424-41-0x0000000074DB0000-0x0000000075560000-memory.dmp

    Filesize

    7.7MB

  • memory/2424-42-0x0000000006F20000-0x00000000070E2000-memory.dmp

    Filesize

    1.8MB

  • memory/2424-43-0x0000000006DA0000-0x0000000006DF0000-memory.dmp

    Filesize

    320KB

  • memory/2424-44-0x0000000007620000-0x0000000007B4C000-memory.dmp

    Filesize

    5.2MB