vidar | eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a

General

Target

eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe
Size

413KB
MD5

0656946b783a6df8ff57c45846e49de1
SHA1

5e5857484282f4e4d636d6558014859242b6a8f7
SHA256

eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a
SHA512

a409d30407773f4bb8bb087352e835765460fd3557a6570e1159b01988dd1601d15a7472958b8d41509da896ec365b7b61964413d0846763a8faff511458106d
SSDEEP

12288:tUxpOKa8zz8WB4fZLtjEJNThSymzi0hMQwXFqEO:6Jzz8WUZLtjS5hHQi0TwXUt

Score

10^/10

vidar d80be45a1eb6454ca916f92c36ebf67d credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11

Botnet

d80be45a1eb6454ca916f92c36ebf67d

C2

https://steamcommunity.com/profiles/76561199780418869

https://t.me/ae5ed

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

Detect Vidar Stealer 13 IoCs

stealer

resource	yara_rule
behavioral2/memory/3060-5-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3060-12-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3060-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3060-22-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3060-23-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3060-39-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3060-40-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3060-56-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3060-63-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3060-81-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3060-88-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3060-89-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/3060-90-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
Downloads MZ/PE file

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	RegAsm.exe

Loads dropped DLL 2 IoCs

pid	Process
3060	RegAsm.exe
3060	RegAsm.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3176 set thread context of 3060	3176	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	84

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.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

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

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3060	RegAsm.exe
3060	RegAsm.exe
3060	RegAsm.exe
3060	RegAsm.exe
3060	RegAsm.exe
3060	RegAsm.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3060	RegAsm.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 4468	3176	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	83
PID 3176 wrote to memory of 4468	3176	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	83
PID 3176 wrote to memory of 4468	3176	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	83
PID 3176 wrote to memory of 3060	3176	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	84
PID 3176 wrote to memory of 3060	3176	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	84
PID 3176 wrote to memory of 3060	3176	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	84
PID 3176 wrote to memory of 3060	3176	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	84
PID 3176 wrote to memory of 3060	3176	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	84
PID 3176 wrote to memory of 3060	3176	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	84
PID 3176 wrote to memory of 3060	3176	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	84
PID 3176 wrote to memory of 3060	3176	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	84
PID 3176 wrote to memory of 3060	3176	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	84
PID 3176 wrote to memory of 3060	3176	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	84

C:\Users\Admin\AppData\Local\Temp\eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe
"C:\Users\Admin\AppData\Local\Temp\eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4468
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Checks computer location settings
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  PID:3060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

4

T1552

Credentials In Files

4

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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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/3060-12-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3060-39-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3060-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3060-90-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3060-89-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3060-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3060-22-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3060-23-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3060-24-0x0000000022AD0000-0x0000000022D2F000-memory.dmp

Filesize
2.4MB

Download
memory/3060-88-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3060-40-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3060-56-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3060-63-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3060-81-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3176-1-0x0000000000520000-0x0000000000588000-memory.dmp

Filesize
416KB

Download
memory/3176-2-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/3176-7-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/3176-15-0x0000000074C30000-0x00000000753E0000-memory.dmp

Filesize
7.7MB

Download
memory/3176-0-0x0000000074C3E000-0x0000000074C3F000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads