Resubmissions

29/10/2026, 08:21

261029-j8981aav8y10

29/10/2026, 08:19

261029-j8as5sxze1

29/10/2026, 08:19

261029-j797lsxzez

15/08/2026, 21:19

260815-z592tshg57

12/05/2026, 09:30

260512-lghqsah14t

12/05/2026, 09:29

260512-lf4a4ad17m

11/05/2026, 13:07

260511-qcln4aaw4z

09/05/2026, 21:41

260509-1j69gsdv7w10

09/05/2026, 21:41

260509-1jyx4sdv7s

19/04/2026, 22:54

260419-2vxd4aby7r

Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/02/2026, 15:54

General

  • Target
    전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요.exe
  • Size 545KB
  • Sample260207-tcbexaes9d
  • SHA256 291f381da3286ea93c38bb325e19f35744349c3543708135d8be731f4bafb6e2
  • MD5 SHA1 SHA512 SSDEEP TLSH

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 3 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:4288

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/4288-2-0x00000000023A0000-0x0000000002429000-memory.dmp

        memory/4288-1-0x0000000000AC0000-0x0000000000BC0000-memory.dmp

        memory/4288-12-0x0000000000400000-0x000000000088B000-memory.dmp

        memory/4288-13-0x0000000000AC0000-0x0000000000BC0000-memory.dmp

        memory/4288-14-0x00000000023A0000-0x0000000002429000-memory.dmp