vidar | e4c2d3c019cf5161619d1f6ef5a76d7fb68f0cc9d4b0d004653e38bff42edf19

Analysis

max time kernel
92s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
16/09/2024, 13:40 UTC

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General

Target

file.exe
Size

283KB
MD5

5c984dd83c65ae6b6f2d93a60ae40bfd
SHA1

1ec1891c37d87fc565d93557a6b4d08da151badb
SHA256

e4c2d3c019cf5161619d1f6ef5a76d7fb68f0cc9d4b0d004653e38bff42edf19
SHA512

5f09ec740cd62c0ad5c94d53fbb8444e388ef4cf54ba4d12f1a7916048327ff3b9cd3d8cbd54d4678bacf178a93a35662b6ddf82c8049d199366ceac32c52ed9
SSDEEP

6144:cf2UKkk1T+5pKHhU7mncSw2DND25SL3ttU3NAYTYsCmK0vEO:0juCeHe7mcMD25g3ttdSYsCpCEO

Score

10^/10

vidar discovery spyware stealer

Malware Config

Extracted

Family

vidar

https://t.me/edm0d

https://steamcommunity.com/profiles/76561199768374681

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0

Signatures

Detect Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral2/memory/5004-4-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/5004-9-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/5004-7-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/5004-24-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral2/memory/5004-25-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
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
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 3472 set thread context of 5004	3472	file.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
232	5004	WerFault.exe	84

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	file.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 4 IoCs

pid	Process
5004	RegAsm.exe
5004	RegAsm.exe
5004	RegAsm.exe
5004	RegAsm.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3472 wrote to memory of 4828	3472	file.exe	83
PID 3472 wrote to memory of 4828	3472	file.exe	83
PID 3472 wrote to memory of 4828	3472	file.exe	83
PID 3472 wrote to memory of 5004	3472	file.exe	84
PID 3472 wrote to memory of 5004	3472	file.exe	84
PID 3472 wrote to memory of 5004	3472	file.exe	84
PID 3472 wrote to memory of 5004	3472	file.exe	84
PID 3472 wrote to memory of 5004	3472	file.exe	84
PID 3472 wrote to memory of 5004	3472	file.exe	84
PID 3472 wrote to memory of 5004	3472	file.exe	84
PID 3472 wrote to memory of 5004	3472	file.exe	84
PID 3472 wrote to memory of 5004	3472	file.exe	84
PID 3472 wrote to memory of 5004	3472	file.exe	84

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3472
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4828
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:5004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5004 -s 2296
    3⤵
    - Program crash
    PID:232

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5004 -ip 5004
1⤵
PID:4616

Network

DNS

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR

Response

8.8.8.8.in-addr.arpa

IN PTR

dnsgoogle
DNS

t.me

RegAsm.exe

Remote address:

8.8.8.8:53

Request

t.me

IN A

Response

t.me

IN A

149.154.167.99
GET

https://t.me/edm0d

RegAsm.exe

Remote address:

149.154.167.99:443

Request

GET /edm0d HTTP/1.1
Host: t.me
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Server: nginx/1.18.0
Date: Mon, 16 Sep 2024 13:40:10 GMT
Content-Type: text/html; charset=utf-8
Content-Length: 12286
Connection: keep-alive
Set-Cookie: stel_ssid=4a318142128895f6fe_6710074133564402445; expires=Tue, 17 Sep 2024 13:40:10 GMT; path=/; samesite=None; secure; HttpOnly
Pragma: no-cache
Cache-control: no-store
X-Frame-Options: ALLOW-FROM https://web.telegram.org
Content-Security-Policy: frame-ancestors https://web.telegram.org
Strict-Transport-Security: max-age=35768000
DNS

209.205.72.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

209.205.72.20.in-addr.arpa

IN PTR

Response
DNS

240.143.123.92.in-addr.arpa

Remote address:

8.8.8.8:53

Request

240.143.123.92.in-addr.arpa

IN PTR

Response

240.143.123.92.in-addr.arpa

IN PTR

a92-123-143-240deploystaticakamaitechnologiescom
DNS

99.167.154.149.in-addr.arpa

Remote address:

8.8.8.8:53

Request

99.167.154.149.in-addr.arpa

IN PTR

Response
GET

https://91.107.254.73/

RegAsm.exe

Remote address:

91.107.254.73:443

Request

GET / HTTP/1.1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Host: 91.107.254.73
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Server: nginx
Date: Mon, 16 Sep 2024 13:40:10 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
DNS

24.249.124.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

24.249.124.192.in-addr.arpa

IN PTR

Response

24.249.124.192.in-addr.arpa

IN PTR

cloudproxy10024sucurinet
DNS

72.32.126.40.in-addr.arpa

Remote address:

8.8.8.8:53

Request

72.32.126.40.in-addr.arpa

IN PTR

Response
DNS

95.221.229.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

95.221.229.192.in-addr.arpa

IN PTR

Response
DNS

73.254.107.91.in-addr.arpa

Remote address:

8.8.8.8:53

Request

73.254.107.91.in-addr.arpa

IN PTR

Response

73.254.107.91.in-addr.arpa

IN PTR

static7325410791clientsyour-serverde
POST

https://91.107.254.73/

RegAsm.exe

Remote address:

91.107.254.73:443

Request

POST / HTTP/1.1
Content-Type: multipart/form-data; boundary=----IDBGHDGHCGHCAAKFIIEC
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Host: 91.107.254.73
Content-Length: 255
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Server: nginx
Date: Mon, 16 Sep 2024 13:40:11 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
POST

https://91.107.254.73/

RegAsm.exe

Remote address:

91.107.254.73:443

Request

POST / HTTP/1.1
Content-Type: multipart/form-data; boundary=----IDHIEBAAKJDHIECAAFHC
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Host: 91.107.254.73
Content-Length: 331
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Server: nginx
Date: Mon, 16 Sep 2024 13:40:11 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
POST

https://91.107.254.73/

RegAsm.exe

Remote address:

91.107.254.73:443

Request

POST / HTTP/1.1
Content-Type: multipart/form-data; boundary=----DHCBGDHIEBFHCBFHDHDH
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Host: 91.107.254.73
Content-Length: 331
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Server: nginx
Date: Mon, 16 Sep 2024 13:40:12 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
POST

https://91.107.254.73/

RegAsm.exe

Remote address:

91.107.254.73:443

Request

POST / HTTP/1.1
Content-Type: multipart/form-data; boundary=----EBGDAAKJJDAAKFHJKJKF
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Host: 91.107.254.73
Content-Length: 332
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Server: nginx
Date: Mon, 16 Sep 2024 13:40:12 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
POST

https://91.107.254.73/

RegAsm.exe

Remote address:

91.107.254.73:443

Request

POST / HTTP/1.1
Content-Type: multipart/form-data; boundary=----DBKKFHIEGDHJKECAAKKE
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Host: 91.107.254.73
Content-Length: 4637
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 200 OK

Server: nginx
Date: Mon, 16 Sep 2024 13:40:13 GMT
Content-Type: text/html; charset=UTF-8
Transfer-Encoding: chunked
Connection: keep-alive
GET

https://91.107.254.73/sqlp.dll

RegAsm.exe

Remote address:

91.107.254.73:443

Request

GET /sqlp.dll HTTP/1.1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/124.0.0.0 Safari/537.36 OPR/110.0.0.0
Host: 91.107.254.73
Connection: Keep-Alive
Cache-Control: no-cache

Response

HTTP/1.1 404 Not Found

Server: nginx
Date: Mon, 16 Sep 2024 13:40:13 GMT
Content-Type: text/html
Content-Length: 548
Connection: keep-alive
DNS

196.249.167.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

196.249.167.52.in-addr.arpa

IN PTR

Response
DNS

13.86.106.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

13.86.106.20.in-addr.arpa

IN PTR

Response
DNS

183.59.114.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

183.59.114.20.in-addr.arpa

IN PTR

Response
DNS

198.187.3.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

198.187.3.20.in-addr.arpa

IN PTR

Response
DNS

18.134.221.88.in-addr.arpa

Remote address:

8.8.8.8:53

Request

18.134.221.88.in-addr.arpa

IN PTR

Response

18.134.221.88.in-addr.arpa

IN PTR

a88-221-134-18deploystaticakamaitechnologiescom

149.154.167.99:443

https://t.me/edm0d

tls, http

RegAsm.exe

1.5kB
19.4kB
24
20

HTTP Request

GET https://t.me/edm0d

HTTP Response

200
91.107.254.73:443

https://91.107.254.73/

tls, http

RegAsm.exe

1.0kB
2.7kB
11
8

HTTP Request

GET https://91.107.254.73/

HTTP Response

200
91.107.254.73:443

https://91.107.254.73/

tls, http

RegAsm.exe

1.4kB
622 B
9
6

HTTP Request

POST https://91.107.254.73/

HTTP Response

200
91.107.254.73:443

https://91.107.254.73/

tls, http

RegAsm.exe

1.5kB
2.2kB
10
7

HTTP Request

POST https://91.107.254.73/

HTTP Response

200
91.107.254.73:443

https://91.107.254.73/

tls, http

RegAsm.exe

1.7kB
6.4kB
13
10

HTTP Request

POST https://91.107.254.73/

HTTP Response

200
91.107.254.73:443

https://91.107.254.73/

tls, http

RegAsm.exe

1.5kB
672 B
9
6

HTTP Request

POST https://91.107.254.73/

HTTP Response

200
91.107.254.73:443

https://91.107.254.73/

tls, http

RegAsm.exe

5.9kB
565 B
12
6

HTTP Request

POST https://91.107.254.73/

HTTP Response

200
91.107.254.73:443

https://91.107.254.73/sqlp.dll

tls, http

RegAsm.exe

1.0kB
1.0kB
8
5

HTTP Request

GET https://91.107.254.73/sqlp.dll

HTTP Response

404

8.8.8.8:53

8.8.8.8.in-addr.arpa

dns

66 B
90 B
1
1

DNS Request

8.8.8.8.in-addr.arpa
8.8.8.8:53

t.me

dns

RegAsm.exe

50 B
66 B
1
1

DNS Request

t.me

DNS Response

149.154.167.99
8.8.8.8:53

209.205.72.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

209.205.72.20.in-addr.arpa
8.8.8.8:53

240.143.123.92.in-addr.arpa

dns

73 B
139 B
1
1

DNS Request

240.143.123.92.in-addr.arpa
8.8.8.8:53

99.167.154.149.in-addr.arpa

dns

73 B
166 B
1
1

DNS Request

99.167.154.149.in-addr.arpa
8.8.8.8:53

24.249.124.192.in-addr.arpa

dns

73 B
113 B
1
1

DNS Request

24.249.124.192.in-addr.arpa
8.8.8.8:53

72.32.126.40.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

72.32.126.40.in-addr.arpa
8.8.8.8:53

95.221.229.192.in-addr.arpa

dns

73 B
144 B
1
1

DNS Request

95.221.229.192.in-addr.arpa
8.8.8.8:53

73.254.107.91.in-addr.arpa

dns

72 B
129 B
1
1

DNS Request

73.254.107.91.in-addr.arpa
8.8.8.8:53

196.249.167.52.in-addr.arpa

dns

73 B
147 B
1
1

DNS Request

196.249.167.52.in-addr.arpa
8.8.8.8:53

13.86.106.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

13.86.106.20.in-addr.arpa
8.8.8.8:53

183.59.114.20.in-addr.arpa

dns

72 B
158 B
1
1

DNS Request

183.59.114.20.in-addr.arpa
8.8.8.8:53

198.187.3.20.in-addr.arpa

dns

71 B
157 B
1
1

DNS Request

198.187.3.20.in-addr.arpa
8.8.8.8:53

18.134.221.88.in-addr.arpa

dns

72 B
137 B
1
1

DNS Request

18.134.221.88.in-addr.arpa

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/3472-0-0x0000000074B7E000-0x0000000074B7F000-memory.dmp

Filesize
4KB

Download
memory/3472-1-0x0000000000980000-0x00000000009CA000-memory.dmp

Filesize
296KB

Download
memory/3472-2-0x0000000005870000-0x0000000005E14000-memory.dmp

Filesize
5.6MB

Download
memory/3472-12-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/3472-27-0x0000000074B70000-0x0000000075320000-memory.dmp

Filesize
7.7MB

Download
memory/5004-4-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/5004-9-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/5004-7-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/5004-24-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/5004-25-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

HTTP Request

HTTP Response

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

MITRE ATT&CK Enterprise v15

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Downloads

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