vidar | 0136319c6ea0ac8a0265c915e91731252b3e185433846300e858bf22570eff35

Analysis

max time kernel
135s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
27-03-2023 21:31

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

file.exe
Size

3.4MB
MD5

9838d7b931ba280e94b401ed799e35f9
SHA1

ae7d122c39e37ef24b9a1fd3fdf08fd002f8620e
SHA256

0136319c6ea0ac8a0265c915e91731252b3e185433846300e858bf22570eff35
SHA512

2ff6289355bd35238ce0b00a3130022da2d76a814066c1469bad63a4319b5a2dc2965d90346ecf8ad3ebaecf63c8828f049eb5abac83376a217aedccf203cc1f
SSDEEP

98304:PUGbQl+tr2/LRPFiwwxBU0lxvCngfl1m4wgfT:2l+IN6ZvegDR7

Score

10^/10

vidar faf321b64879a39e4d9e2b6994483a1a discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

3.2

Botnet

faf321b64879a39e4d9e2b6994483a1a

https://steamcommunity.com/profiles/76561199489580435

https://t.me/tabootalks

Attributes

profile_id_v2
faf321b64879a39e4d9e2b6994483a1a
user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

file.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation file.exe
Loads dropped DLL 2 IoCs

Processes:

file.exe

pid process

3800 file.exe
3800 file.exe
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
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\Control Panel\International\Geo\Nation	file.exe

pid	process
3800	file.exe
3800	file.exe

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

Processes:

file.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	file.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	file.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

3892 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.exe

pid process

3800 file.exe
3800 file.exe

pid	process
3892	timeout.exe

pid	process
3800	file.exe
3800	file.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

file.execmd.exe

description	pid	process	target process
PID 3800 wrote to memory of 1324	3800	file.exe	cmd.exe
PID 3800 wrote to memory of 1324	3800	file.exe	cmd.exe
PID 3800 wrote to memory of 1324	3800	file.exe	cmd.exe
PID 1324 wrote to memory of 3892	1324	cmd.exe	timeout.exe
PID 1324 wrote to memory of 3892	1324	cmd.exe	timeout.exe
PID 1324 wrote to memory of 3892	1324	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3800

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe" & exit
2⤵
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
3⤵
- Delays execution with timeout.exe
PID:3892

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/3800-133-0x0000000000400000-0x0000000000A1A000-memory.dmp

Filesize
6.1MB

Download
memory/3800-134-0x0000000000400000-0x0000000000A1A000-memory.dmp

Filesize
6.1MB

Download
memory/3800-136-0x0000000000400000-0x0000000000A1A000-memory.dmp

Filesize
6.1MB

Download
memory/3800-149-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/3800-219-0x0000000000400000-0x0000000000A1A000-memory.dmp

Filesize
6.1MB

Download
memory/3800-220-0x0000000000400000-0x0000000000A1A000-memory.dmp

Filesize
6.1MB

Download