vidar | a6b304da706f65520019273d5f35dc9ede582febfe9e9a1d87c482eb46433256

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
09/04/2025, 08:25

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General

Target

4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe
Size

427KB
MD5

03e902a46625ad87713cdf2d04d4d05b
SHA1

1f0a4f0d8aad592ac799bb2248f018f0fd84f99f
SHA256

4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236
SHA512

e8f352de685aea2560c2b6082ffc41f2935b04236ac84e37de0b083006a2f98214147fbba35ccc49c4e4cd61d56088e99db36b40b75fb1b5851026fd37ef093b
SSDEEP

12288:F6UT+Wr2tQHkO+8d7zg/GZ1h8/SZN8IRnJ:8Unr2+HkORd7zae1hYIJJ

Score

10^/10

vidar 6d7ea8e36c0dacb43ab944072818f484 discovery stealer

Malware Config

Extracted

Family

vidar

Version

12.5

Botnet

6d7ea8e36c0dacb43ab944072818f484

https://t.me/w0ctzn

https://steamcommunity.com/profiles/76561199817305251

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:131.0) Gecko/20100101 Firefox/131.0

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
vidar

.NET Reactor proctector 1 IoCs

Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

resource	yara_rule
behavioral17/memory/1384-1-0x0000000000520000-0x000000000058E000-memory.dmp	net_reactor

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1384 set thread context of 3196	1384	4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe	90

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2264	1384	WerFault.exe	86

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	4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 1384 wrote to memory of 3196	1384	4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe	90
PID 1384 wrote to memory of 3196	1384	4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe	90
PID 1384 wrote to memory of 3196	1384	4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe	90
PID 1384 wrote to memory of 3196	1384	4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe	90
PID 1384 wrote to memory of 3196	1384	4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe	90
PID 1384 wrote to memory of 3196	1384	4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe	90
PID 1384 wrote to memory of 3196	1384	4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe	90
PID 1384 wrote to memory of 3196	1384	4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe	90
PID 1384 wrote to memory of 3196	1384	4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe	90
PID 1384 wrote to memory of 3196	1384	4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe	90
PID 1384 wrote to memory of 3196	1384	4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe	90

C:\Users\Admin\AppData\Local\Temp\4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe
"C:\Users\Admin\AppData\Local\Temp\4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1384
- C:\Users\Admin\AppData\Local\Temp\4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe
  "C:\Users\Admin\AppData\Local\Temp\4a5b5eb5a4e1ba423df24c110fc43f7b3428d2126e99fd9c170b9dfb2baf7236.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3196
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1384 -s 816
  2⤵
  - Program crash
  PID:2264

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1384 -ip 1384
1⤵
PID:4916

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\IBI1KJ4T\76561199817305251[1].htm

Filesize
34KB

MD5
0a5362c0236bbc167df296428c3330b7

SHA1
34ce5004913a198d18772e830b4ef09773619dfe

SHA256
3fd9a29d6a79bf62b1a93ad7c60619e6d642c12adb580db25b6a7747e3d65a23

SHA512
ecbe01c9b56ff554ba217f180c29f94dce99f2cd8244f2f1e15231d3d1d9e59c89a8cbb2bccbcafe21e875e36036af521e30ae24bfa6efe54d07bdd2815b2fcf

Download Submit
memory/1384-0-0x000000007537E000-0x000000007537F000-memory.dmp

Filesize
4KB

Download
memory/1384-1-0x0000000000520000-0x000000000058E000-memory.dmp

Filesize
440KB

Download
memory/1384-2-0x0000000005450000-0x00000000059F4000-memory.dmp

Filesize
5.6MB

Download
memory/1384-7-0x0000000075370000-0x0000000075B20000-memory.dmp

Filesize
7.7MB

Download
memory/3196-4-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/3196-5-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/3196-6-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/3196-8-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/3196-10-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download