vidar | 1b9b20bf3cb028faa65a0a93602711ac4402ddf4c22b3708bd9e1246b65f6cd8

General

Target

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe
Size

5.3MB
MD5

990824b28b1db8f0e38bec6aebeaf1b2
SHA1

75b2904f3481e5468e3076b842ff529b23e2d20b
SHA256

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063
SHA512

8a8637b4c50c9f92d42a4bae02dbe8e19d7867d91a542b95916d8de88eaf1dba5e7ede0b82934d6015e90d6b355a0193bfe6a941ffbb72ba97f9ee7e59c172f8
SSDEEP

98304:bz+UuR7m7n5+OPAZU+leHfQkjA1JAE5lPKn4m/V38fque1VIL:h8yn5+vZ6ALKnjyfRUI

Score

10^/10

vidar 348bd4740381edfdd4d5e8143ef4a08e evasion stealer themida trojan

Malware Config

Extracted

Family

vidar

Version

5.7

Botnet

348bd4740381edfdd4d5e8143ef4a08e

C2

https://steamcommunity.com/profiles/76561199553369541

https://t.me/dastanatg

Attributes

profile_id_v2
348bd4740381edfdd4d5e8143ef4a08e
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_8) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/16.7 Safari/605.1.75

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

Themida packer 14 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/4688-0-0x0000000000DD0000-0x00000000017DD000-memory.dmp	themida
behavioral2/memory/4688-1-0x0000000000DD0000-0x00000000017DD000-memory.dmp	themida
behavioral2/memory/4688-7-0x0000000000DD0000-0x00000000017DD000-memory.dmp	themida
behavioral2/memory/4688-8-0x0000000000DD0000-0x00000000017DD000-memory.dmp	themida
behavioral2/memory/4688-9-0x0000000000DD0000-0x00000000017DD000-memory.dmp	themida
behavioral2/memory/4688-10-0x0000000000DD0000-0x00000000017DD000-memory.dmp	themida
behavioral2/memory/4688-11-0x0000000000DD0000-0x00000000017DD000-memory.dmp	themida
behavioral2/memory/4688-12-0x0000000000DD0000-0x00000000017DD000-memory.dmp	themida
behavioral2/memory/4688-13-0x0000000000DD0000-0x00000000017DD000-memory.dmp	themida
behavioral2/memory/4688-14-0x0000000000DD0000-0x00000000017DD000-memory.dmp	themida
behavioral2/memory/4688-15-0x0000000000DD0000-0x00000000017DD000-memory.dmp	themida
behavioral2/memory/4688-16-0x0000000000DD0000-0x00000000017DD000-memory.dmp	themida
behavioral2/memory/4688-30-0x0000000000DD0000-0x00000000017DD000-memory.dmp	themida
behavioral2/memory/4688-33-0x0000000000DD0000-0x00000000017DD000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

pid process

4688 f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

pid	process
4688	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe
4688	f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe

C:\Users\Admin\AppData\Local\Temp\f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe
"C:\Users\Admin\AppData\Local\Temp\f45a8e04076925bd0d3990adaa82182945dad0c72d35873a108eb2cdefe29063.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:4688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4688-0-0x0000000000DD0000-0x00000000017DD000-memory.dmp

Filesize
10.1MB

Download
memory/4688-1-0x0000000000DD0000-0x00000000017DD000-memory.dmp

Filesize
10.1MB

Download
memory/4688-6-0x0000000077424000-0x0000000077426000-memory.dmp

Filesize
8KB

Download
memory/4688-7-0x0000000000DD0000-0x00000000017DD000-memory.dmp

Filesize
10.1MB

Download
memory/4688-8-0x0000000000DD0000-0x00000000017DD000-memory.dmp

Filesize
10.1MB

Download
memory/4688-9-0x0000000000DD0000-0x00000000017DD000-memory.dmp

Filesize
10.1MB

Download
memory/4688-10-0x0000000000DD0000-0x00000000017DD000-memory.dmp

Filesize
10.1MB

Download
memory/4688-11-0x0000000000DD0000-0x00000000017DD000-memory.dmp

Filesize
10.1MB

Download
memory/4688-12-0x0000000000DD0000-0x00000000017DD000-memory.dmp

Filesize
10.1MB

Download
memory/4688-13-0x0000000000DD0000-0x00000000017DD000-memory.dmp

Filesize
10.1MB

Download
memory/4688-14-0x0000000000DD0000-0x00000000017DD000-memory.dmp

Filesize
10.1MB

Download
memory/4688-15-0x0000000000DD0000-0x00000000017DD000-memory.dmp

Filesize
10.1MB

Download
memory/4688-16-0x0000000000DD0000-0x00000000017DD000-memory.dmp

Filesize
10.1MB

Download
memory/4688-30-0x0000000000DD0000-0x00000000017DD000-memory.dmp

Filesize
10.1MB

Download
memory/4688-33-0x0000000000DD0000-0x00000000017DD000-memory.dmp

Filesize
10.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads