vidar | a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf

Analysis

max time kernel
66s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
31-01-2023 15:37

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General

Target

file.exe
Size

416KB
MD5

996a9afca7ebed4ce1ac3f22f2f8da51
SHA1

bebfc60a7b1fa8e493a458d15331907233f0e928
SHA256

a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf
SHA512

e50ab67d9d87f0dc801553116c2fb09320d8aa7f5041abcc79260c1de956de2c711d868b1561081beec32e0f23523226de0dff8e9df83fff11ec64006984d7f1
SSDEEP

6144:rkgYDLQMDGDJyzP+Bpitd5QHiIuTWuej7bwtRaamqMoI/wr8Mu:9QcLDJwyWGCIuTPGbzqME

Score

10^/10

vidar 813 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

2.3

Botnet

813

https://t.me/mantarlars

https://steamcommunity.com/profiles/76561199474840123

Attributes

profile_id
813

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Loads dropped DLL 2 IoCs

Processes:

file.exe

pid process

3464 file.exe
3464 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
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

5116 3464 WerFault.exe file.exe

pid	process
3464	file.exe
3464	file.exe

pid	pid_target	process	target process
5116	3464	WerFault.exe	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

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

file.exe

pid process

3464 file.exe
3464 file.exe

pid	process
3464	file.exe
3464	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:3464

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1912
2⤵
- Program crash
PID:5116

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3464 -ip 3464
1⤵
PID:224

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

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Downloads

C:\ProgramData\mozglue.dll
Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\ProgramData\nss3.dll
Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
memory/3464-132-0x0000000000729000-0x000000000075D000-memory.dmp

Filesize
208KB

Download
memory/3464-133-0x0000000000630000-0x000000000068D000-memory.dmp

Filesize
372KB

Download
memory/3464-134-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/3464-135-0x0000000050DB0000-0x0000000050E42000-memory.dmp

Filesize
584KB

Download
memory/3464-156-0x0000000000729000-0x000000000075D000-memory.dmp

Filesize
208KB

Download
memory/3464-157-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download