vidar | 103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09

General

Target

103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe
Size

580KB
MD5

6c9ebd326e5ccf9361cf785f8d9f7f7b
SHA1

512dbd05e777c064bba12247917503f21d91f04d
SHA256

103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09
SHA512

79161ff3b0dc3bc8c63250f73ae05a779c9f1ea8452447ea7ce37924eb24a4b454ee5a3f8e8213f4f58564626a9b7c2933c2fe6ead23c0a598c4cb6bbbcd1a5a
SSDEEP

12288:mKzCYvQ2v93dqED1S1sPvbW/QtTPrx+s0GdPrKM:mK1vQa62fyIFdlN

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/2308-2-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2308-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2308-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2308-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2308-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2308-18-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2308-19-0x0000000000400000-0x0000000000676000-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 3068 set thread context of 2308	3068	103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe	87

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	103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2308	MSBuild.exe
2308	MSBuild.exe
2308	MSBuild.exe
2308	MSBuild.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 1252	3068	103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe	86
PID 3068 wrote to memory of 1252	3068	103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe	86
PID 3068 wrote to memory of 1252	3068	103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe	86
PID 3068 wrote to memory of 2308	3068	103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe	87
PID 3068 wrote to memory of 2308	3068	103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe	87
PID 3068 wrote to memory of 2308	3068	103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe	87
PID 3068 wrote to memory of 2308	3068	103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe	87
PID 3068 wrote to memory of 2308	3068	103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe	87
PID 3068 wrote to memory of 2308	3068	103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe	87
PID 3068 wrote to memory of 2308	3068	103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe	87
PID 3068 wrote to memory of 2308	3068	103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe	87
PID 3068 wrote to memory of 2308	3068	103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe	87
PID 3068 wrote to memory of 2308	3068	103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe	87

C:\Users\Admin\AppData\Local\Temp\103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe
"C:\Users\Admin\AppData\Local\Temp\103e3e0fdd828c1aaaadf178b599d3d17c11689f62f5f89b50647a8e5a2b7c09.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3068
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:1252
- 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:2308

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

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Downloads

memory/2308-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2308-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2308-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2308-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2308-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2308-10-0x000000001DCC0000-0x000000001DF1F000-memory.dmp

Filesize
2.4MB

Download
memory/2308-18-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2308-19-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3068-0-0x000000000076C000-0x000000000076E000-memory.dmp

Filesize
8KB

Download

Analysis

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