Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-11-2024 17:04

General

  • Target

    583fce037fd80a28ebd3dd07cc5ffd8bd89399040587d0a803c22fb33cdbf320.exe

  • Size

    814KB

  • MD5

    ec21b21135f4df1909589fd2318ead8a

  • SHA1

    e914779d6cbd9c693c39c0fb903d55810688be08

  • SHA256

    583fce037fd80a28ebd3dd07cc5ffd8bd89399040587d0a803c22fb33cdbf320

  • SHA512

    33760b9fc2457f450fbc95b148697d18c06d4515ed0ea184efa7be0f433e6054f332bbde19ba5978307240f2a1e4236a33495a9a345b20f703f93f7122f4fa74

  • SSDEEP

    24576:jvYV0HT73uFB1vuQoj5RvdulhTzGB/bNlVC7/:cOzaYQmZ5FNlVQ

Malware Config

Extracted

Family

vipkeylogger

C2

https://api.telegram.org/bot8177184706:AAEJ0_bPTtjIc-PnjNdYNmARZ2fvBD17ZJI/sendMessage?chat_id=6198188190

Signatures

  • VIPKeylogger

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

  • Vipkeylogger family
  • Loads dropped DLL 1 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
  • Adds Run key to start application 2 TTPs 1 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 NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • 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 behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\583fce037fd80a28ebd3dd07cc5ffd8bd89399040587d0a803c22fb33cdbf320.exe
    "C:\Users\Admin\AppData\Local\Temp\583fce037fd80a28ebd3dd07cc5ffd8bd89399040587d0a803c22fb33cdbf320.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:3312
    • C:\Users\Admin\AppData\Local\Temp\583fce037fd80a28ebd3dd07cc5ffd8bd89399040587d0a803c22fb33cdbf320.exe
      "C:\Users\Admin\AppData\Local\Temp\583fce037fd80a28ebd3dd07cc5ffd8bd89399040587d0a803c22fb33cdbf320.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsm8AAE.tmp\System.dll

    Filesize

    11KB

    MD5

    fc90dfb694d0e17b013d6f818bce41b0

    SHA1

    3243969886d640af3bfa442728b9f0dff9d5f5b0

    SHA256

    7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528

    SHA512

    324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6

  • memory/2164-22-0x0000000038190000-0x0000000038734000-memory.dmp

    Filesize

    5.6MB

  • memory/2164-34-0x0000000039930000-0x000000003993A000-memory.dmp

    Filesize

    40KB

  • memory/2164-21-0x0000000000480000-0x00000000004CA000-memory.dmp

    Filesize

    296KB

  • memory/2164-15-0x0000000077BA8000-0x0000000077BA9000-memory.dmp

    Filesize

    4KB

  • memory/2164-16-0x0000000077B21000-0x0000000077C41000-memory.dmp

    Filesize

    1.1MB

  • memory/2164-18-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/2164-19-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/2164-20-0x0000000072BEE000-0x0000000072BEF000-memory.dmp

    Filesize

    4KB

  • memory/2164-14-0x0000000077B21000-0x0000000077C41000-memory.dmp

    Filesize

    1.1MB

  • memory/2164-33-0x0000000039840000-0x00000000398D2000-memory.dmp

    Filesize

    584KB

  • memory/2164-24-0x0000000072BE0000-0x0000000073390000-memory.dmp

    Filesize

    7.7MB

  • memory/2164-23-0x0000000038750000-0x00000000387EC000-memory.dmp

    Filesize

    624KB

  • memory/2164-26-0x0000000038FF0000-0x00000000391B2000-memory.dmp

    Filesize

    1.8MB

  • memory/2164-27-0x00000000391E0000-0x0000000039230000-memory.dmp

    Filesize

    320KB

  • memory/2164-28-0x00000000392C0000-0x00000000397EC000-memory.dmp

    Filesize

    5.2MB

  • memory/2164-29-0x0000000072BEE000-0x0000000072BEF000-memory.dmp

    Filesize

    4KB

  • memory/2164-30-0x0000000072BE0000-0x0000000073390000-memory.dmp

    Filesize

    7.7MB

  • memory/3312-13-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/3312-12-0x0000000077B21000-0x0000000077C41000-memory.dmp

    Filesize

    1.1MB