vidar | eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a

Analysis

max time kernel
239s
max time network
240s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
26-09-2024 23:17

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General

Target

eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe
Size

413KB
MD5

0656946b783a6df8ff57c45846e49de1
SHA1

5e5857484282f4e4d636d6558014859242b6a8f7
SHA256

eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a
SHA512

a409d30407773f4bb8bb087352e835765460fd3557a6570e1159b01988dd1601d15a7472958b8d41509da896ec365b7b61964413d0846763a8faff511458106d
SSDEEP

12288:tUxpOKa8zz8WB4fZLtjEJNThSymzi0hMQwXFqEO:6Jzz8WUZLtjS5hHQi0TwXUt

Score

10^/10

vidar d80be45a1eb6454ca916f92c36ebf67d discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

d80be45a1eb6454ca916f92c36ebf67d

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 10 IoCs

stealer

resource	yara_rule
behavioral1/memory/2972-19-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2972-21-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2972-15-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2972-12-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2972-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2972-11-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2972-162-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2972-181-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2972-211-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/2972-230-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file
Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003
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 2368 set thread context of 2972	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	34

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	RegAsm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	RegAsm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2972	RegAsm.exe
2972	RegAsm.exe

Suspicious use of WriteProcessMemory 35 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 2852	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	31
PID 2368 wrote to memory of 2852	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	31
PID 2368 wrote to memory of 2852	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	31
PID 2368 wrote to memory of 2852	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	31
PID 2368 wrote to memory of 2852	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	31
PID 2368 wrote to memory of 2852	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	31
PID 2368 wrote to memory of 2852	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	31
PID 2368 wrote to memory of 2856	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	32
PID 2368 wrote to memory of 2856	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	32
PID 2368 wrote to memory of 2856	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	32
PID 2368 wrote to memory of 2856	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	32
PID 2368 wrote to memory of 2856	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	32
PID 2368 wrote to memory of 2856	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	32
PID 2368 wrote to memory of 2856	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	32
PID 2368 wrote to memory of 2968	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	33
PID 2368 wrote to memory of 2968	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	33
PID 2368 wrote to memory of 2968	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	33
PID 2368 wrote to memory of 2968	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	33
PID 2368 wrote to memory of 2968	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	33
PID 2368 wrote to memory of 2968	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	33
PID 2368 wrote to memory of 2968	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	33
PID 2368 wrote to memory of 2972	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	34
PID 2368 wrote to memory of 2972	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	34
PID 2368 wrote to memory of 2972	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	34
PID 2368 wrote to memory of 2972	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	34
PID 2368 wrote to memory of 2972	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	34
PID 2368 wrote to memory of 2972	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	34
PID 2368 wrote to memory of 2972	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	34
PID 2368 wrote to memory of 2972	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	34
PID 2368 wrote to memory of 2972	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	34
PID 2368 wrote to memory of 2972	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	34
PID 2368 wrote to memory of 2972	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	34
PID 2368 wrote to memory of 2972	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	34
PID 2368 wrote to memory of 2972	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	34
PID 2368 wrote to memory of 2972	2368	eaec2f04454eb468c1f591be0487daec463582c2a1d839b2644f3df7ac449b7a.exe	34

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:2368
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2852
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2856
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2968
- 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
  - Modifies system certificate store
  - Suspicious behavior: EnumeratesProcesses
  PID:2972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\Cab8420.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar8432.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/2368-17-0x0000000073DB0000-0x000000007449E000-memory.dmp

Filesize
6.9MB

Download
memory/2368-1-0x00000000002B0000-0x0000000000318000-memory.dmp

Filesize
416KB

Download
memory/2368-2-0x0000000073DB0000-0x000000007449E000-memory.dmp

Filesize
6.9MB

Download
memory/2368-5-0x0000000073DB0000-0x000000007449E000-memory.dmp

Filesize
6.9MB

Download
memory/2368-0-0x0000000073DBE000-0x0000000073DBF000-memory.dmp

Filesize
4KB

Download
memory/2368-16-0x00000000022C0000-0x00000000042C0000-memory.dmp

Filesize
32.0MB

Download
memory/2972-9-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2972-21-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2972-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2972-12-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2972-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2972-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2972-11-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2972-15-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2972-19-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

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memory/2972-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

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memory/2972-162-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

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memory/2972-181-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

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memory/2972-200-0x00000000207E0000-0x0000000020A3F000-memory.dmp

Filesize
2.4MB

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memory/2972-211-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

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memory/2972-230-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

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