vidar | 4c4e0fa35a2a634ad8c070f7ffe6f79f62ac9d12af74231797b68ece3e2cf1a1

General

Target
7344cf7cf8efb8a8eae6064900b5fef9.exe
Size 455KB
Sample230708-kfc88seb6t
SHA256 4c4e0fa35a2a634ad8c070f7ffe6f79f62ac9d12af74231797b68ece3e2cf1a1
MD5 7344cf7cf8efb8a8eae6064900b5fef9
SHA1 bd548fa36c64eb9dbfb06517c6b32cabc904f23d
SHA512 71e7f499397977c4c3a6ad835dec007d424f4edd2468307585bcd27b70f73129f358396e7a9192c35046b4f308d0fcbb3ba3d414de29a54e73326b4ed49d2a51
SSDEEP 6144:7jLOvSlxM6wxQhnkUm/kF+mkpamb6e3ayhigl38lNesgwIL4SLGuAwCxkT1v:7j6vS6QJhR76B6eLhiU3YNPlSO/6t
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-3011986978-2180659500-3669311805-1000\Control Panel\International\Geo\Nation	7344cf7cf8efb8a8eae6064900b5fef9.exe

Loads dropped DLL 2 IoCs

pid	Process
3012	7344cf7cf8efb8a8eae6064900b5fef9.exe
3012	7344cf7cf8efb8a8eae6064900b5fef9.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
1576	3012	WerFault.exe	83

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	7344cf7cf8efb8a8eae6064900b5fef9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	7344cf7cf8efb8a8eae6064900b5fef9.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4172	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3012	7344cf7cf8efb8a8eae6064900b5fef9.exe
3012	7344cf7cf8efb8a8eae6064900b5fef9.exe
3012	7344cf7cf8efb8a8eae6064900b5fef9.exe
3012	7344cf7cf8efb8a8eae6064900b5fef9.exe
3012	7344cf7cf8efb8a8eae6064900b5fef9.exe
3012	7344cf7cf8efb8a8eae6064900b5fef9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3012 wrote to memory of 1608	3012	7344cf7cf8efb8a8eae6064900b5fef9.exe	88
PID 3012 wrote to memory of 1608	3012	7344cf7cf8efb8a8eae6064900b5fef9.exe	88
PID 3012 wrote to memory of 1608	3012	7344cf7cf8efb8a8eae6064900b5fef9.exe	88
PID 1608 wrote to memory of 4172	1608	cmd.exe	91
PID 1608 wrote to memory of 4172	1608	cmd.exe	91
PID 1608 wrote to memory of 4172	1608	cmd.exe	91

C:\Users\Admin\AppData\Local\Temp\7344cf7cf8efb8a8eae6064900b5fef9.exe
"C:\Users\Admin\AppData\Local\Temp\7344cf7cf8efb8a8eae6064900b5fef9.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3012
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\7344cf7cf8efb8a8eae6064900b5fef9.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1608
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:4172
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3012 -s 1576
  2⤵
  - Program crash
  PID:1576

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3012 -ip 3012
1⤵
PID:1152

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

49666440495814135827.exe

Path C:\ProgramData\49666440495814135827.exe
Size 153B
SHA256 8351c0267c2cd7866ff04c04261f06cd75af9a7130aac848ca43fd047404e229
MD5 706a98254456810d3e849c3957af9d01
SHA1 e461d072a6ba8f0082d6f187eba7f053343529c6
SHA512 6fd0837b6c7485fcd783da728d9759a49f48e8a2f4757301a921735f7f41240b890b87672725c90e8295a21d039a369b203246e8bf71596cf1e2f9b543bc0277
MD5 SHA1 SHA512

Submit Download

mozglue.dll

Path C:\ProgramData\mozglue.dll
Size 593KB
SHA256 ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
MD5 c8fd9be83bc728cc04beffafc2907fe9
SHA1 95ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA512 fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
SSDEEP 12288:BlSyAom/gcRKMdRm4wFkRHuyG4RRGJVDjMk/x21R8gY/r:BKgcRKMdRm4wFkVVDGJVv//x21R8br
MD5 SHA1 SHA512 SSDEEP

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nss3.dll

Path C:\ProgramData\nss3.dll
Size 2.0MB
SHA256 ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
MD5 1cc453cdf74f31e4d913ff9c10acdde2
SHA1 6e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA512 dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
SSDEEP 49152:fECf12gikHlnKGxJRIB+y5nvxnaOSJ3HFNWYrVvE4CQsgzMmQfTU1NrWmy4KoAzh:J7Tf8J1Q+SS5/nr
MD5 SHA1 SHA512 SSDEEP

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memory/3012-134-0x00000000020B0000-0x000000000213C000-memory.dmp

Download

memory/3012-144-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Download

memory/3012-215-0x0000000000400000-0x00000000004B3000-memory.dmp

Download

memory/3012-225-0x0000000000400000-0x00000000004B3000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads