vidar | 390d7472201e8ea9bdc6c7fa2b4ab1f6faca02071f1f997037cc5f52759a9cb6

Resubmissions

12-11-2021 18:04

211112-wnzb8aahhm 10

19-11-2020 10:08

201119-rhwlt38jrx 10

18-11-2020 17:26

201118-htd4fq29va 10

Analysis

max time kernel
296s
max time network
328s
platform
windows10_x64
resource
win10-en-20211014
submitted
12-11-2021 18:04

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General

Target

___ _ _____ __ ___/전산 및 비전산자료 보존 요청서/전산 및 비전산자료 보존 요.exe
Size

545KB
MD5

54bef758433c98353b61bf1e2aecefb2
SHA1

06feb43c6d58eab893396f63aa2e1d0e4542f7d1
SHA256

291f381da3286ea93c38bb325e19f35744349c3543708135d8be731f4bafb6e2
SHA512

3bfb51f9bee7033ebde0f418b88327b7c7a322b3e0572d92ad4cdf37c9fbed22d518c9ce2d8d5638381542bef83077d8054184b9f613b815df6906a99fd4526f

Score

10^/10

vidar 276 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

26.1

Botnet

276

http://centos10.com/

Attributes

profile_id
276

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Vidar Stealer 2 IoCs

stealer

resource	yara_rule
behavioral22/memory/1328-119-0x0000000002500000-0x0000000002589000-memory.dmp	family_vidar
behavioral22/memory/1328-120-0x0000000000400000-0x000000000088B000-memory.dmp	family_vidar

Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 1 IoCs

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

flow	ioc
53	ip-api.com

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	전산 및 비전산자료 보존 요.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	전산 및 비전산자료 보존 요.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
1328	전산 및 비전산자료 보존 요.exe
1328	전산 및 비전산자료 보존 요.exe
1328	전산 및 비전산자료 보존 요.exe
1328	전산 및 비전산자료 보존 요.exe
1328	전산 및 비전산자료 보존 요.exe
1328	전산 및 비전산자료 보존 요.exe
1328	전산 및 비전산자료 보존 요.exe
1328	전산 및 비전산자료 보존 요.exe

C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\전산 및 비전산자료 보존 요청서\전산 및 비전산자료 보존 요.exe
"C:\Users\Admin\AppData\Local\Temp\___ _ _____ __ ___\전산 및 비전산자료 보존 요청서\전산 및 비전산자료 보존 요.exe"
1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1328

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1328-118-0x00000000008F9000-0x0000000000950000-memory.dmp

Filesize
348KB

Download
memory/1328-119-0x0000000002500000-0x0000000002589000-memory.dmp

Filesize
548KB

Download
memory/1328-120-0x0000000000400000-0x000000000088B000-memory.dmp

Filesize
4.5MB

Download