Resubmissions
04/11/2026, 19:12
261104-xwzhmatzbs1029/10/2026, 08:21
261029-j8981aav8y1029/10/2026, 08:19
261029-j8as5sxze129/10/2026, 08:19
261029-j797lsxzez15/08/2026, 21:19
260815-z592tshg5712/05/2026, 09:30
260512-lghqsah14t12/05/2026, 09:29
260512-lf4a4ad17m11/05/2026, 13:07
260511-qcln4aaw4z09/05/2026, 21:41
260509-1j69gsdv7w1009/05/2026, 21:41
260509-1jyx4sdv7sAnalysis
- max time kernel
149s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
- submitted
07/02/2026, 15:54
General
- Target 전산 및 비전산자료 보존 요청서(20200525)_꼭 확인하시고 자료보존해주세요.exe
- Size 545KB
- Sample260207-tcbexaes9d
- SHA256 291f381da3286ea93c38bb325e19f35744349c3543708135d8be731f4bafb6e2
Malware Config
Extracted
-
vidar
-
26.1
-
276
-
http://centos10.com/
-
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
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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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