vidar | 0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-10-2024 12:50

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General

Target

file.exe
Size

598KB
MD5

062240f907bf9b20680ed17e27d54199
SHA1

2194bd84d7b0974dba98771e6129588c75ff10ab
SHA256

0354299279d74bf20ea88cf017002360c397b50462a9ec4e23594eb344545b87
SHA512

ff4ab62c45156745680cd8bcc4e48d204376ee470ffb2ae62cf6f7a43ff9b9b3978257ac6537499cc73d1bb4d641ac14ecf76ea851d606e78558c3f615ec55ca
SSDEEP

12288:JUqvMSDFMqAI/mhe5g0pmHsyJzcD8z1CBU1IXaYsnViMrEjYYd64fLETEO:JU8HDF9QYKsgcAmU1QaYsnViCEEY8+mt

Score

10^/10

vidar 8ecc9c7eaebfdf2a8cc0586d7419d6ea discovery stealer

Malware Config

Extracted

Family

vidar

Botnet

8ecc9c7eaebfdf2a8cc0586d7419d6ea

https://t.me/maslengdsa

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

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/2156-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2156-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2156-6-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2156-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2156-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2156-18-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral2/memory/2156-19-0x0000000000400000-0x0000000000676000-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 3788 set thread context of 2156	3788	file.exe	81

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1960	3788	WerFault.exe	80

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	file.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
2156	MSBuild.exe
2156	MSBuild.exe
2156	MSBuild.exe
2156	MSBuild.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3788 wrote to memory of 2156	3788	file.exe	81
PID 3788 wrote to memory of 2156	3788	file.exe	81
PID 3788 wrote to memory of 2156	3788	file.exe	81
PID 3788 wrote to memory of 2156	3788	file.exe	81
PID 3788 wrote to memory of 2156	3788	file.exe	81
PID 3788 wrote to memory of 2156	3788	file.exe	81
PID 3788 wrote to memory of 2156	3788	file.exe	81
PID 3788 wrote to memory of 2156	3788	file.exe	81
PID 3788 wrote to memory of 2156	3788	file.exe	81
PID 3788 wrote to memory of 2156	3788	file.exe	81

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3788
- 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:2156
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3788 -s 292
  2⤵
  - Program crash
  PID:1960

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3788 -ip 3788
1⤵
PID:2772

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2156-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2156-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2156-6-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2156-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2156-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2156-10-0x0000000022620000-0x000000002287F000-memory.dmp

Filesize
2.4MB

Download
memory/2156-18-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2156-19-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3788-0-0x00000000002EF000-0x00000000002F1000-memory.dmp

Filesize
8KB

Download