Resubmissions

13-11-2024 13:53

241113-q61p4stbnq 10

13-11-2024 12:59

241113-p8fx2svrfr 10

Analysis

  • max time kernel
    25s
  • max time network
    25s
  • 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 13:53

General

  • Target

    0f89f3f147b58b22f7ddc22c0c54f58e20e6d9468acc1cc6de50b875fb2302d6.exe

  • Size

    829KB

  • MD5

    acb6d346b2c3a71ed25752121f5be584

  • SHA1

    d162a9872dc6321a802b1d67c5cbc1a85ebe24cb

  • SHA256

    0f89f3f147b58b22f7ddc22c0c54f58e20e6d9468acc1cc6de50b875fb2302d6

  • SHA512

    b83b3a16c891c85b1c68acf619c47a4f7a6487e96fb3bc5fe1806a26fd1a2b8a82ce7c491661727cdf7354d3d3a7896dae6f5638c58457b51adb386dcad61a5e

  • SSDEEP

    24576:8vYV0HT73uFeOdq20Qgjco3betO8CXVVVbaiD9ET/mV73:3Ozaku0NVnVbaiqjml

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
  • Loads dropped DLL 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 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0f89f3f147b58b22f7ddc22c0c54f58e20e6d9468acc1cc6de50b875fb2302d6.exe
    "C:\Users\Admin\AppData\Local\Temp\0f89f3f147b58b22f7ddc22c0c54f58e20e6d9468acc1cc6de50b875fb2302d6.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:4804
    • C:\Users\Admin\AppData\Local\Temp\0f89f3f147b58b22f7ddc22c0c54f58e20e6d9468acc1cc6de50b875fb2302d6.exe
      "C:\Users\Admin\AppData\Local\Temp\0f89f3f147b58b22f7ddc22c0c54f58e20e6d9468acc1cc6de50b875fb2302d6.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4148

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsk9230.tmp\System.dll

    Filesize

    11KB

    MD5

    fc90dfb694d0e17b013d6f818bce41b0

    SHA1

    3243969886d640af3bfa442728b9f0dff9d5f5b0

    SHA256

    7fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528

    SHA512

    324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6

  • memory/4148-23-0x0000000072A1E000-0x0000000072A1F000-memory.dmp

    Filesize

    4KB

  • memory/4148-15-0x0000000077BA8000-0x0000000077BA9000-memory.dmp

    Filesize

    4KB

  • memory/4148-16-0x0000000077BC5000-0x0000000077BC6000-memory.dmp

    Filesize

    4KB

  • memory/4148-20-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/4148-22-0x0000000077B21000-0x0000000077C41000-memory.dmp

    Filesize

    1.1MB

  • memory/4148-21-0x0000000000480000-0x00000000016D4000-memory.dmp

    Filesize

    18.3MB

  • memory/4148-24-0x0000000000480000-0x00000000004CA000-memory.dmp

    Filesize

    296KB

  • memory/4148-25-0x00000000388A0000-0x0000000038E44000-memory.dmp

    Filesize

    5.6MB

  • memory/4148-26-0x0000000038E90000-0x0000000038F2C000-memory.dmp

    Filesize

    624KB

  • memory/4148-27-0x0000000072A10000-0x00000000731C0000-memory.dmp

    Filesize

    7.7MB

  • memory/4804-13-0x0000000077B21000-0x0000000077C41000-memory.dmp

    Filesize

    1.1MB

  • memory/4804-14-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/4804-12-0x0000000077B21000-0x0000000077C41000-memory.dmp

    Filesize

    1.1MB