vidar | 1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318

General

Target

1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318.exe
Size

580KB
MD5

c84cf68fa56d169c1156c124cbd9dfbc
SHA1

5929ac3bc9d010755efc6b353268310c1624dace
SHA256

1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318
SHA512

c724bea52356148f29c106e1ef122d25533ab6e2518c29b1e5a3c73ff48e094d60d7552019054d8ce845d038aab95d4cc30362bc876fde447341c596ab161172
SSDEEP

12288:jK7qQnYbvtP2qLaeHip/DYXaRsAbpZLRL7ZW/prKa:jKtnYjXRHipMavtZLlY/Fr

Score

10^/10

vidar discovery stealer

Malware Config

Extracted

Family

vidar

C2

http://lade.petperfectcare.com:80

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 7 IoCs

stealer

resource	yara_rule
behavioral2/memory/2456-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2456-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2456-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2456-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2456-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2456-18-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2456-19-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1728 set thread context of 2456	1728	1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318.exe	83

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	1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2456	MSBuild.exe
2456	MSBuild.exe
2456	MSBuild.exe
2456	MSBuild.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2456	1728	1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318.exe	83
PID 1728 wrote to memory of 2456	1728	1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318.exe	83
PID 1728 wrote to memory of 2456	1728	1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318.exe	83
PID 1728 wrote to memory of 2456	1728	1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318.exe	83
PID 1728 wrote to memory of 2456	1728	1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318.exe	83
PID 1728 wrote to memory of 2456	1728	1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318.exe	83
PID 1728 wrote to memory of 2456	1728	1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318.exe	83
PID 1728 wrote to memory of 2456	1728	1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318.exe	83
PID 1728 wrote to memory of 2456	1728	1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318.exe	83
PID 1728 wrote to memory of 2456	1728	1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318.exe	83

C:\Users\Admin\AppData\Local\Temp\1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318.exe
"C:\Users\Admin\AppData\Local\Temp\1586d3a569933b2bbf65c97b9e104d43956eb4e057edc018c329d5a9a5800318.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:2456

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1728-0-0x00000000001AC000-0x00000000001AE000-memory.dmp

Filesize
8KB

Download
memory/2456-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2456-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2456-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2456-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2456-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2456-10-0x000000001DAA0000-0x000000001DCFF000-memory.dmp

Filesize
2.4MB

Download
memory/2456-18-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2456-19-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download

Analysis

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