vidar | ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff

General

Target

ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe
Size

580KB
MD5

3bc704412a19e066cd16a241bff0dd9d
SHA1

9d97f5b8709acff80f12b267c630b6c7bedef963
SHA256

ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff
SHA512

9c8aa00a57f45cdbc941e67777da2c7a528420de027c0c66792e8415ef9dbecd083532d13138395d9857aa38d1c5e1f7a4da762abb345f3639e156bcc2333b2f
SSDEEP

12288:EKzCYvQ2v9KsLZ1WO8QYFRd4MrnBBDuh1PKIOhoN8NkDWhqvLLsdrKM:EK1vQarbkhBADka2NMfvLLWN

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/2676-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2676-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2676-2-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2676-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2676-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2676-18-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2676-19-0x0000000000400000-0x0000000000676000-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 920 set thread context of 2676	920	ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe	84

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	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.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
2676	MSBuild.exe
2676	MSBuild.exe
2676	MSBuild.exe
2676	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 920 wrote to memory of 2588	920	ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe	83
PID 920 wrote to memory of 2588	920	ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe	83
PID 920 wrote to memory of 2588	920	ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe	83
PID 920 wrote to memory of 2676	920	ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe	84
PID 920 wrote to memory of 2676	920	ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe	84
PID 920 wrote to memory of 2676	920	ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe	84
PID 920 wrote to memory of 2676	920	ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe	84
PID 920 wrote to memory of 2676	920	ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe	84
PID 920 wrote to memory of 2676	920	ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe	84
PID 920 wrote to memory of 2676	920	ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe	84
PID 920 wrote to memory of 2676	920	ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe	84
PID 920 wrote to memory of 2676	920	ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe	84
PID 920 wrote to memory of 2676	920	ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe	84

C:\Users\Admin\AppData\Local\Temp\ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe
"C:\Users\Admin\AppData\Local\Temp\ac149ec67122ffb6e55e9098115644275b22495c9e0409bff3768d5169d6d6ff.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:920
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:2588
- 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:2676

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/920-0-0x000000000076C000-0x000000000076E000-memory.dmp

Filesize
8KB

Download
memory/2676-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2676-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2676-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2676-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2676-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2676-10-0x000000001FE00000-0x000000002005F000-memory.dmp

Filesize
2.4MB

Download
memory/2676-18-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2676-19-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download

Analysis

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