vidar | 2af29a5f99c8ab0654dbece76b2e046f66703a4ae8b4ffa9b4071f9aa74523d7

Resubmissions

10/10/2024, 02:19 UTC

241010-crx4sazhnm 10

Analysis

max time kernel
74s
max time network
141s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
10/10/2024, 02:19 UTC

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General

Target

Samples - 10-09-2024/44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b.exe
Size

282KB
MD5

f31d21c664ded57509d1e2e1e2c73098
SHA1

58abbe186f2324eca451d3866b63ceeb924d3391
SHA256

44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b
SHA512

5aff27d9ffb0568072f52e51679bbd9cb3c063d7bb1c3fe658c10241b633a66738d6bd7ee2111e065a1b93098bdaa1e5da6b9b8d063fe3f1ff1de7d71d32aa53
SSDEEP

6144:GsbHGb3gHx2vdWxR5TjWfEvi3v+QwzmGEO:iPvoxR5WfEveSKGEO

Score

10^/10

vidar credential_access 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
behavioral3/memory/2044-6-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral3/memory/2044-10-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral3/memory/2044-7-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral3/memory/2044-27-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7
behavioral3/memory/2044-28-0x0000000000400000-0x0000000000657000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

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 3500 set thread context of 2044	3500	44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b.exe	82

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 4 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	44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.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

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2448	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2044	RegAsm.exe
2044	RegAsm.exe
2044	RegAsm.exe
2044	RegAsm.exe
2044	RegAsm.exe
2044	RegAsm.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 2044	3500	44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b.exe	82
PID 3500 wrote to memory of 2044	3500	44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b.exe	82
PID 3500 wrote to memory of 2044	3500	44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b.exe	82
PID 3500 wrote to memory of 2044	3500	44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b.exe	82
PID 3500 wrote to memory of 2044	3500	44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b.exe	82
PID 3500 wrote to memory of 2044	3500	44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b.exe	82
PID 3500 wrote to memory of 2044	3500	44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b.exe	82
PID 3500 wrote to memory of 2044	3500	44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b.exe	82
PID 3500 wrote to memory of 2044	3500	44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b.exe	82
PID 3500 wrote to memory of 2044	3500	44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b.exe	82
PID 2044 wrote to memory of 848	2044	RegAsm.exe	84
PID 2044 wrote to memory of 848	2044	RegAsm.exe	84
PID 2044 wrote to memory of 848	2044	RegAsm.exe	84
PID 848 wrote to memory of 2448	848	cmd.exe	86
PID 848 wrote to memory of 2448	848	cmd.exe	86
PID 848 wrote to memory of 2448	848	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\Samples - 10-09-2024\44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b.exe
"C:\Users\Admin\AppData\Local\Temp\Samples - 10-09-2024\44d0e959d4a9c31cc02dc12dacdf34b4fa4d0d9eda5a4c6d03dfff72045cda8b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3500
- 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
  - Suspicious use of WriteProcessMemory
  PID:2044
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe" & rd /s /q "C:\ProgramData\FHIDAFHCBAKF" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:848
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2448

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

8.8.8.8.in-addr.arpa

Remote address:

8.8.8.8:53

Request

8.8.8.8.in-addr.arpa

IN PTR
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
DNS

83.210.23.2.in-addr.arpa

Remote address:

8.8.8.8:53

Request

83.210.23.2.in-addr.arpa

IN PTR

Response

83.210.23.2.in-addr.arpa

IN PTR

a2-23-210-83deploystaticakamaitechnologiescom
DNS

205.47.74.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

205.47.74.20.in-addr.arpa

IN PTR

Response
DNS

t.me

Remote address:

8.8.8.8:53

Request

t.me

IN A

Response

t.me

IN A

149.154.167.99
DNS

ocsp.godaddy.com

Remote address:

8.8.8.8:53

Request

ocsp.godaddy.com

IN A

Response

ocsp.godaddy.com

IN CNAME

ocsp.godaddy.com.akadns.net

ocsp.godaddy.com.akadns.net

IN A

192.124.249.23

ocsp.godaddy.com.akadns.net

IN A

192.124.249.22

ocsp.godaddy.com.akadns.net

IN A

192.124.249.41

ocsp.godaddy.com.akadns.net

IN A

192.124.249.36

ocsp.godaddy.com.akadns.net

IN A

192.124.249.24
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
DNS

ocsp.digicert.com

Remote address:

8.8.8.8:53

Request

ocsp.digicert.com

IN A

Response

ocsp.digicert.com

IN CNAME

ocsp.edge.digicert.com

ocsp.edge.digicert.com

IN CNAME

fp2e7a.wpc.2be4.phicdn.net

fp2e7a.wpc.2be4.phicdn.net

IN CNAME

fp2e7a.wpc.phicdn.net

fp2e7a.wpc.phicdn.net

IN A

192.229.221.95
DNS

gacan.zapto.org

Remote address:

8.8.8.8:53

Request

gacan.zapto.org

IN A

Response
DNS

ris.api.iris.microsoft.com

Remote address:

8.8.8.8:53

Request

ris.api.iris.microsoft.com

IN A

Response

ris.api.iris.microsoft.com

IN CNAME

ris-prod.trafficmanager.net

ris-prod.trafficmanager.net

IN CNAME

asf-ris-prod-neu-azsc.northeurope.cloudapp.azure.com

asf-ris-prod-neu-azsc.northeurope.cloudapp.azure.com

IN A

20.234.120.54
DNS

ctldl.windowsupdate.com

Remote address:

8.8.8.8:53

Request

ctldl.windowsupdate.com

IN A

Response

ctldl.windowsupdate.com

IN CNAME

ctldl.windowsupdate.com.delivery.microsoft.com

ctldl.windowsupdate.com.delivery.microsoft.com

IN CNAME

wu-b-net.trafficmanager.net

wu-b-net.trafficmanager.net

IN CNAME

download.windowsupdate.com.edgesuite.net

download.windowsupdate.com.edgesuite.net

IN CNAME

a767.dspw65.akamai.net

a767.dspw65.akamai.net

IN A

2.23.210.83

a767.dspw65.akamai.net

IN A

2.23.210.88
DNS

23.236.111.52.in-addr.arpa

Remote address:

8.8.8.8:53

Request

23.236.111.52.in-addr.arpa

IN PTR

Response
DNS

23.249.124.192.in-addr.arpa

Remote address:

8.8.8.8:53

Request

23.249.124.192.in-addr.arpa

IN PTR

Response

23.249.124.192.in-addr.arpa

IN PTR

cloudproxy10023sucurinet
DNS

steamcommunity.com

Remote address:

8.8.8.8:53

Request

steamcommunity.com

IN A

Response

steamcommunity.com

IN A

104.82.234.109
DNS

109.234.82.104.in-addr.arpa

Remote address:

8.8.8.8:53

Request

109.234.82.104.in-addr.arpa

IN PTR

Response

109.234.82.104.in-addr.arpa

IN PTR

a104-82-234-109deploystaticakamaitechnologiescom
DNS

arc.msn.com

Remote address:

8.8.8.8:53

Request

arc.msn.com

IN A

Response

arc.msn.com

IN CNAME

arc.trafficmanager.net

arc.trafficmanager.net

IN CNAME

iris-de-prod-azsc-v2-neu.northeurope.cloudapp.azure.com

iris-de-prod-azsc-v2-neu.northeurope.cloudapp.azure.com

IN A

20.223.35.26
DNS

26.35.223.20.in-addr.arpa

Remote address:

8.8.8.8:53

Request

26.35.223.20.in-addr.arpa

IN PTR

Response
DNS

nexusrules.officeapps.live.com

Remote address:

8.8.8.8:53

Request

nexusrules.officeapps.live.com

IN A

Response

nexusrules.officeapps.live.com

IN CNAME

prod.nexusrules.live.com.akadns.net

prod.nexusrules.live.com.akadns.net

IN A

52.111.236.23

149.154.167.99:443

t.me

tls

RegAsm.exe

1.6kB
17.4kB
24
20
104.82.234.109:443

steamcommunity.com

tls

RegAsm.exe

2.3kB
42.8kB
40
38

8.8.8.8:53

8.8.8.8.in-addr.arpa

dns

198 B
90 B
3
1

DNS Request

8.8.8.8.in-addr.arpa

DNS Request

8.8.8.8.in-addr.arpa

DNS Request

8.8.8.8.in-addr.arpa
8.8.8.8:53

83.210.23.2.in-addr.arpa

dns

663 B
1.6kB
10
10

DNS Request

83.210.23.2.in-addr.arpa

DNS Request

205.47.74.20.in-addr.arpa

DNS Request

t.me

DNS Response

149.154.167.99

DNS Request

ocsp.godaddy.com

DNS Response

192.124.249.23

192.124.249.22

192.124.249.41

192.124.249.36

192.124.249.24

DNS Request

99.167.154.149.in-addr.arpa

DNS Request

ocsp.digicert.com

DNS Response

192.229.221.95

DNS Request

gacan.zapto.org

DNS Request

ris.api.iris.microsoft.com

DNS Response

20.234.120.54

DNS Request

ctldl.windowsupdate.com

DNS Response

2.23.210.83

2.23.210.88

DNS Request

23.236.111.52.in-addr.arpa
8.8.8.8:53

23.249.124.192.in-addr.arpa

dns

414 B
805 B
6
6

DNS Request

23.249.124.192.in-addr.arpa

DNS Request

steamcommunity.com

DNS Response

104.82.234.109

DNS Request

109.234.82.104.in-addr.arpa

DNS Request

arc.msn.com

DNS Response

20.223.35.26

DNS Request

26.35.223.20.in-addr.arpa

DNS Request

nexusrules.officeapps.live.com

DNS Response

52.111.236.23

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

Replay Monitor

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Downloads

memory/2044-6-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2044-10-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2044-7-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2044-27-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/2044-28-0x0000000000400000-0x0000000000657000-memory.dmp

Filesize
2.3MB

Download
memory/3500-0-0x000000007459E000-0x000000007459F000-memory.dmp

Filesize
4KB

Download
memory/3500-1-0x0000000000F30000-0x0000000000F7A000-memory.dmp

Filesize
296KB

Download
memory/3500-13-0x0000000074590000-0x0000000074D41000-memory.dmp

Filesize
7.7MB

Download
memory/3500-29-0x0000000074590000-0x0000000074D41000-memory.dmp

Filesize
7.7MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Request

DNS Response

DNS Request

DNS Response

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Response

DNS Request

DNS Response

DNS Request

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Response

DNS Request

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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