Analysis

  • max time kernel
    109s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    22-11-2024 08:05

General

  • Target

    Xkl0PnD8zFPjfh1.exe

  • Size

    737KB

  • MD5

    78e5f0526a01f7a36cee6e5e2ccb1be0

  • SHA1

    bb4aa50fa1369ad58cc851407f43b955c32011f0

  • SHA256

    fc59d1ca77099951701944173f5d9daaf2434942a46503d0d9e0bd7e5262cfc6

  • SHA512

    dc97bb70cc20476257795c1de3eda163def00c7b04cf30e09b441b3f03a3f77e7fcc70f943cde1b62174c7f2756862d5239ba5b6fd43f27a86813639df702ecd

  • SSDEEP

    12288:12sqEOzNebb4ldH6nzjnuiSWOkfpyoF0ensAjb1IF7lacN:12sqEOzE/OH6zjnOupsenpxIxlaW

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 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 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 WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Xkl0PnD8zFPjfh1.exe
    "C:\Users\Admin\AppData\Local\Temp\Xkl0PnD8zFPjfh1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:632
    • C:\Users\Admin\AppData\Local\Temp\Xkl0PnD8zFPjfh1.exe
      "C:\Users\Admin\AppData\Local\Temp\Xkl0PnD8zFPjfh1.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:3148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/632-8-0x00000000052D0000-0x00000000052D8000-memory.dmp

    Filesize

    32KB

  • memory/632-4-0x0000000005220000-0x000000000522A000-memory.dmp

    Filesize

    40KB

  • memory/632-0-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

    Filesize

    4KB

  • memory/632-3-0x0000000005080000-0x0000000005112000-memory.dmp

    Filesize

    584KB

  • memory/632-13-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/632-5-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/632-6-0x0000000005310000-0x0000000005388000-memory.dmp

    Filesize

    480KB

  • memory/632-12-0x0000000074A8E000-0x0000000074A8F000-memory.dmp

    Filesize

    4KB

  • memory/632-2-0x0000000005630000-0x0000000005BD4000-memory.dmp

    Filesize

    5.6MB

  • memory/632-1-0x00000000006F0000-0x00000000007AE000-memory.dmp

    Filesize

    760KB

  • memory/632-7-0x0000000005430000-0x00000000054CC000-memory.dmp

    Filesize

    624KB

  • memory/3148-11-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/3148-10-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/3148-9-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB

  • memory/3148-14-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/3148-15-0x0000000007020000-0x00000000071E2000-memory.dmp

    Filesize

    1.8MB

  • memory/3148-16-0x0000000006EA0000-0x0000000006EF0000-memory.dmp

    Filesize

    320KB