vidar | f35ffca0f66c39d0298c621de2d2271df9dfcf40bcf7e161f4057c412b94d3f8

Analysis

max time kernel
122s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-02-2023 08:39

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General

Target

a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf.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:

a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf.exe

pid	process
4804	a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf.exe
4804	a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf.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

528 4804 WerFault.exe a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf.exe

pid	pid_target	process	target process
528	4804	WerFault.exe	a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf.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:

a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf.exe

pid	process
4804	a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf.exe
4804	a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf.exe

C:\Users\Admin\AppData\Local\Temp\a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf.exe
"C:\Users\Admin\AppData\Local\Temp\a594a97b66c29d9128d7757f71650c91575f1f32033f4cc56b49e8f5e1d4cecf.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4804

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4804 -s 1968
2⤵
- Program crash
PID:528

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4804 -ip 4804
1⤵
PID:216

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
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/4804-132-0x00000000005C8000-0x00000000005FC000-memory.dmp

Filesize
208KB

Download
memory/4804-133-0x0000000002220000-0x000000000227D000-memory.dmp

Filesize
372KB

Download
memory/4804-134-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download
memory/4804-135-0x0000000050DA0000-0x0000000050E93000-memory.dmp

Filesize
972KB

Download
memory/4804-155-0x00000000005C8000-0x00000000005FC000-memory.dmp

Filesize
208KB

Download
memory/4804-156-0x0000000000400000-0x0000000000482000-memory.dmp

Filesize
520KB

Download