Analysis

  • max time kernel
    69s
  • max time network
    73s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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
  • 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
  • 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 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 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:840
    • C:\Users\Admin\AppData\Local\Temp\583fce037fd80a28ebd3dd07cc5ffd8bd89399040587d0a803c22fb33cdbf320.exe
      "C:\Users\Admin\AppData\Local\Temp\583fce037fd80a28ebd3dd07cc5ffd8bd89399040587d0a803c22fb33cdbf320.exe"
      2⤵
      • 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
      PID:2940

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\nsu3278.tmp\System.dll

    Filesize

    11KB

    MD5

    fc90dfb694d0e17b013d6f818bce41b0

    SHA1

    3243969886d640af3bfa442728b9f0dff9d5f5b0

    SHA256

    7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528

    SHA512

    324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6

  • memory/840-12-0x00000000775C1000-0x00000000776C2000-memory.dmp

    Filesize

    1.0MB

  • memory/840-13-0x00000000775C0000-0x0000000077769000-memory.dmp

    Filesize

    1.7MB

  • memory/2940-14-0x00000000775C0000-0x0000000077769000-memory.dmp

    Filesize

    1.7MB

  • memory/2940-16-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2940-17-0x0000000000480000-0x00000000014E2000-memory.dmp

    Filesize

    16.4MB

  • memory/2940-18-0x0000000000480000-0x00000000004CA000-memory.dmp

    Filesize

    296KB