Analysis

  • max time kernel
    121s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03-10-2024 11:32

General

  • Target

    encrypted.exe

  • Size

    2.8MB

  • MD5

    f01725be4af17d500bf5121780b3d304

  • SHA1

    4ba42ced4db6a5173ece265424b26b32ececbbd6

  • SHA256

    a6d95538d1d2f4031e10ff3a1258400a3f471fe64e14ff2dc9808c28334d0cea

  • SHA512

    68d39578c162f03c64617b82d8c242afb8278fa31476e116a29c83138fc804d75aefffe7e956ba8ffe6d5b2253f83d704212a166df1dc57e58b502fcdfdbed26

  • SSDEEP

    24576:Hp+4uTV+nMmbk1UU/ERo0trw2rIxNFsT8SYnt23pDoFL5I1MnU0jaShPkmZLirW7:HpCTVtsRo0NwggzLjUaPIWzea

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.

  • 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.

  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\encrypted.exe
    "C:\Users\Admin\AppData\Local\Temp\encrypted.exe"
    1⤵
    • Accesses Microsoft Outlook profiles
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • outlook_office_path
    • outlook_win_path
    PID:2244

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2244-0-0x0000000000320000-0x000000000036C000-memory.dmp

    Filesize

    304KB

  • memory/2244-1-0x000007FEF4E33000-0x000007FEF4E34000-memory.dmp

    Filesize

    4KB

  • memory/2244-2-0x0000000001F40000-0x0000000001F8A000-memory.dmp

    Filesize

    296KB

  • memory/2244-3-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

    Filesize

    9.9MB

  • memory/2244-4-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

    Filesize

    9.9MB

  • memory/2244-5-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

    Filesize

    9.9MB

  • memory/2244-6-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

    Filesize

    9.9MB

  • memory/2244-7-0x000007FEF4E33000-0x000007FEF4E34000-memory.dmp

    Filesize

    4KB

  • memory/2244-8-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

    Filesize

    9.9MB

  • memory/2244-9-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

    Filesize

    9.9MB

  • memory/2244-10-0x000007FEF4E30000-0x000007FEF581C000-memory.dmp

    Filesize

    9.9MB