Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-01-2025 02:44

General

  • Target

    전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요.exe

  • Size

    545KB

  • MD5

    54bef758433c98353b61bf1e2aecefb2

  • SHA1

    06feb43c6d58eab893396f63aa2e1d0e4542f7d1

  • SHA256

    291f381da3286ea93c38bb325e19f35744349c3543708135d8be731f4bafb6e2

  • SHA512

    3bfb51f9bee7033ebde0f418b88327b7c7a322b3e0572d92ad4cdf37c9fbed22d518c9ce2d8d5638381542bef83077d8054184b9f613b815df6906a99fd4526f

  • SSDEEP

    12288:fPT9h+l+ofoa/sHoNFU9Zd1jWOYE9QjmJl/2hgDMjhP:fPT9hifJKZd1jWOY2emPOuDMd

Malware Config

Extracted

Family

vidar

Version

26.1

Botnet

276

C2

http://centos10.com/

Attributes
  • profile_id

    276

Signatures

  • Vidar

    Vidar is an infostealer based on Arkei stealer.

  • Vidar family
  • Vidar Stealer 5 IoCs
  • Reads local data of messenger clients 2 TTPs

    Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

  • 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 2FA software files, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요.exe
    "C:\Users\Admin\AppData\Local\Temp\전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    PID:4312

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4312-1-0x0000000000890000-0x0000000000990000-memory.dmp

    Filesize

    1024KB

  • memory/4312-2-0x0000000002490000-0x0000000002519000-memory.dmp

    Filesize

    548KB

  • memory/4312-3-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB

  • memory/4312-15-0x0000000000400000-0x000000000088B000-memory.dmp

    Filesize

    4.5MB

  • memory/4312-16-0x0000000000890000-0x0000000000990000-memory.dmp

    Filesize

    1024KB

  • memory/4312-17-0x0000000002490000-0x0000000002519000-memory.dmp

    Filesize

    548KB

  • memory/4312-18-0x0000000000400000-0x000000000048D000-memory.dmp

    Filesize

    564KB