vidar | 4c4e0fa35a2a634ad8c070f7ffe6f79f62ac9d12af74231797b68ece3e2cf1a1

General

Target

7344cf7cf8efb8a8eae606490.exe
Size

455KB
MD5

7344cf7cf8efb8a8eae6064900b5fef9
SHA1

bd548fa36c64eb9dbfb06517c6b32cabc904f23d
SHA256

4c4e0fa35a2a634ad8c070f7ffe6f79f62ac9d12af74231797b68ece3e2cf1a1
SHA512

71e7f499397977c4c3a6ad835dec007d424f4edd2468307585bcd27b70f73129f358396e7a9192c35046b4f308d0fcbb3ba3d414de29a54e73326b4ed49d2a51
SSDEEP

6144:7jLOvSlxM6wxQhnkUm/kF+mkpamb6e3ayhigl38lNesgwIL4SLGuAwCxkT1v:7j6vS6QJhR76B6eLhiU3YNPlSO/6t

Score

10^/10

vidar c84db62b932dcb762087d2abfdc02d9b discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

4.6

Botnet

c84db62b932dcb762087d2abfdc02d9b

C2

https://steamcommunity.com/profiles/76561199523054520

https://t.me/game4serv

Attributes

profile_id_v2
c84db62b932dcb762087d2abfdc02d9b
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:103.0) Gecko/20100101 Firefox/103.0

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

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-1-5-21-1722984668-1829624581-3022101259-1000\Control Panel\International\Geo\Nation	7344cf7cf8efb8a8eae606490.exe

Loads dropped DLL 2 IoCs

pid	Process
1500	7344cf7cf8efb8a8eae606490.exe
1500	7344cf7cf8efb8a8eae606490.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1260	1500	WerFault.exe	28

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	7344cf7cf8efb8a8eae606490.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	7344cf7cf8efb8a8eae606490.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2908	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
1500	7344cf7cf8efb8a8eae606490.exe
1500	7344cf7cf8efb8a8eae606490.exe
1500	7344cf7cf8efb8a8eae606490.exe
1500	7344cf7cf8efb8a8eae606490.exe
1500	7344cf7cf8efb8a8eae606490.exe
1500	7344cf7cf8efb8a8eae606490.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1500 wrote to memory of 4924	1500	7344cf7cf8efb8a8eae606490.exe	89
PID 1500 wrote to memory of 4924	1500	7344cf7cf8efb8a8eae606490.exe	89
PID 1500 wrote to memory of 4924	1500	7344cf7cf8efb8a8eae606490.exe	89
PID 4924 wrote to memory of 2908	4924	cmd.exe	92
PID 4924 wrote to memory of 2908	4924	cmd.exe	92
PID 4924 wrote to memory of 2908	4924	cmd.exe	92

C:\Users\Admin\AppData\Local\Temp\7344cf7cf8efb8a8eae606490.exe
"C:\Users\Admin\AppData\Local\Temp\7344cf7cf8efb8a8eae606490.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1500
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\7344cf7cf8efb8a8eae606490.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4924
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:2908
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1500 -s 1824
  2⤵
  - Program crash
  PID:1260

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1500 -ip 1500
1⤵
PID:2260

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\16268723743990956726.exe

Filesize
153B

MD5
706a98254456810d3e849c3957af9d01

SHA1
e461d072a6ba8f0082d6f187eba7f053343529c6

SHA256
8351c0267c2cd7866ff04c04261f06cd75af9a7130aac848ca43fd047404e229

SHA512
6fd0837b6c7485fcd783da728d9759a49f48e8a2f4757301a921735f7f41240b890b87672725c90e8295a21d039a369b203246e8bf71596cf1e2f9b543bc0277

Download Submit
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/1500-134-0x0000000000630000-0x00000000006BC000-memory.dmp

Filesize
560KB

Download
memory/1500-135-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1500-136-0x0000000000630000-0x00000000006BC000-memory.dmp

Filesize
560KB

Download
memory/1500-140-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/1500-177-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1500-220-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/1500-221-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads