Analysis

  • max time kernel
    120s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-01-2025 09:48

General

  • Target

    R42pO9hQtYC159l.exe

  • Size

    743KB

  • MD5

    b3dd9590b35636f2580cfa18525669b2

  • SHA1

    4fa53976f2a330c71c40efbaa51ac391910c3b1e

  • SHA256

    77a0e4d0d77865d4261c9c73dc0da3e63a64755f605014d540c1f2b4b62c6bc0

  • SHA512

    ef651cca3d9afdfe0d091dddfcff3bfa320d4993ea4a93b6a9819a763fe1a89a41eb57570ea8f046cfe058f1a6f2bcd6981434cbf024cce190b32e03e9cef097

  • SSDEEP

    12288:Rjr0osPnfoWzylGZtMouH7SaeThSiwpCb6xj1N9tBVNgkZa3MBR8TUs9H0z:pR4QW+ALMKtThVwAqj1N6kZ34TUs9

Malware Config

Extracted

Family

vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Vipkeylogger family
  • 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 3 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 2 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 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\R42pO9hQtYC159l.exe
    "C:\Users\Admin\AppData\Local\Temp\R42pO9hQtYC159l.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1696
    • C:\Users\Admin\AppData\Local\Temp\R42pO9hQtYC159l.exe
      "C:\Users\Admin\AppData\Local\Temp\R42pO9hQtYC159l.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:2464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1696-0-0x00000000745AE000-0x00000000745AF000-memory.dmp

    Filesize

    4KB

  • memory/1696-1-0x00000000010E0000-0x00000000011A0000-memory.dmp

    Filesize

    768KB

  • memory/1696-2-0x00000000745A0000-0x0000000074C8E000-memory.dmp

    Filesize

    6.9MB

  • memory/1696-3-0x0000000000A20000-0x0000000000A3E000-memory.dmp

    Filesize

    120KB

  • memory/1696-4-0x00000000745AE000-0x00000000745AF000-memory.dmp

    Filesize

    4KB

  • memory/1696-5-0x00000000745A0000-0x0000000074C8E000-memory.dmp

    Filesize

    6.9MB

  • memory/1696-6-0x0000000000310000-0x000000000039E000-memory.dmp

    Filesize

    568KB

  • memory/1696-21-0x00000000745A0000-0x0000000074C8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-20-0x00000000745A0000-0x0000000074C8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-19-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2464-17-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2464-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2464-11-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2464-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2464-8-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2464-7-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2464-15-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/2464-22-0x00000000745A0000-0x0000000074C8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-23-0x00000000745A0000-0x0000000074C8E000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-24-0x00000000745A0000-0x0000000074C8E000-memory.dmp

    Filesize

    6.9MB