Analysis

  • max time kernel
    131s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-02-2025 08:56

General

  • Target

    RFQ11102025.exe

  • Size

    829KB

  • MD5

    4e8dd0271e73e9132a34527f24d48b4b

  • SHA1

    eb063c7c3a0b50a29c87cc1eb679784c663a712c

  • SHA256

    342a6c5178eacedd99cd66da3bd81e767d0aa311441ad2089b087def3f5cb088

  • SHA512

    8eefc1a61bf8109bb306c70defffad8ed86eadd5956d1b73fbf6f1e64dc54cbc95876ae487cbd768efa7f1984a7955cea5e7051ef344e0d42851e91eceb557c2

  • SSDEEP

    24576:GPlSRYjYIyAT/+BtjkzFtM8HLggynnN4:GPYRBIhTmBRkzHLggynN

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 6 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\RFQ11102025.exe
    "C:\Users\Admin\AppData\Local\Temp\RFQ11102025.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4512
    • C:\Users\Admin\AppData\Local\Temp\RFQ11102025.exe
      "C:\Users\Admin\AppData\Local\Temp\RFQ11102025.exe"
      2⤵
        PID:3216
      • C:\Users\Admin\AppData\Local\Temp\RFQ11102025.exe
        "C:\Users\Admin\AppData\Local\Temp\RFQ11102025.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:1488

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\RFQ11102025.exe.log

      Filesize

      1KB

      MD5

      27ddd0570ed445448bd21f842d95de9a

      SHA1

      309c3d8986b7aab1298b97a82ee830c244040ad6

      SHA256

      cb1e0630cc219962d2aaff5d9bf69c4197c7a5c7d080a6409b368eb417ab0e90

      SHA512

      6e4eee130d20ef2b5909582c0b727b7097dce9600414a363cfffb79fddecd5ccbca9518a8bd040b5a2293ee3d08bf37a4a4c1126ff56dbc9b136c1d312769a85

    • memory/1488-13-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/1488-21-0x0000000006A20000-0x0000000006A70000-memory.dmp

      Filesize

      320KB

    • memory/1488-20-0x0000000006B80000-0x0000000006D42000-memory.dmp

      Filesize

      1.8MB

    • memory/1488-19-0x0000000075210000-0x00000000759C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1488-18-0x0000000075210000-0x00000000759C0000-memory.dmp

      Filesize

      7.7MB

    • memory/1488-16-0x0000000075210000-0x00000000759C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4512-5-0x0000000075210000-0x00000000759C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4512-6-0x00000000050B0000-0x00000000050BA000-memory.dmp

      Filesize

      40KB

    • memory/4512-9-0x000000007521E000-0x000000007521F000-memory.dmp

      Filesize

      4KB

    • memory/4512-10-0x0000000075210000-0x00000000759C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4512-11-0x0000000002550000-0x00000000025DE000-memory.dmp

      Filesize

      568KB

    • memory/4512-12-0x000000000D810000-0x000000000D8AC000-memory.dmp

      Filesize

      624KB

    • memory/4512-7-0x00000000068B0000-0x000000000697A000-memory.dmp

      Filesize

      808KB

    • memory/4512-8-0x00000000069A0000-0x00000000069BE000-memory.dmp

      Filesize

      120KB

    • memory/4512-0-0x000000007521E000-0x000000007521F000-memory.dmp

      Filesize

      4KB

    • memory/4512-17-0x0000000075210000-0x00000000759C0000-memory.dmp

      Filesize

      7.7MB

    • memory/4512-4-0x0000000004C00000-0x0000000004F54000-memory.dmp

      Filesize

      3.3MB

    • memory/4512-3-0x0000000004B60000-0x0000000004BF2000-memory.dmp

      Filesize

      584KB

    • memory/4512-2-0x0000000005110000-0x00000000056B4000-memory.dmp

      Filesize

      5.6MB

    • memory/4512-1-0x00000000001D0000-0x00000000002A4000-memory.dmp

      Filesize

      848KB