vidar | ad9c40c2644ff83e0edbc367c6e62be98c9632157433108c03379351fe7aeca5

Analysis

max time kernel
95s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 10:27

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General

Target

noll.exe
Size

384KB
MD5

d78f753a16d17675fb2af71d58d479b0
SHA1

71bfc274f7c5788b67f7cfae31be255a63dcf609
SHA256

ad9c40c2644ff83e0edbc367c6e62be98c9632157433108c03379351fe7aeca5
SHA512

60f4ebe4226fae95f6f1767d6f5fff99f69a126f0c827384c51745c512f495b001051d4273ca23bc177ec2c0511ec7f9ae384e3a5e88e29ce278ac45a55a39b8
SSDEEP

6144:elqPvKpKJNJGyRlyY8aSp0Vbux0R4kF/Y/o8+:emRJNMalyjaO0Ix6BY/s

Score

10^/10

vidar 2ee1445fc63bc20d0e7966867b13e0e1 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

2ee1445fc63bc20d0e7966867b13e0e1

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 2 IoCs

stealer

resource	yara_rule
behavioral2/memory/3748-0-0x0000000000610000-0x0000000000886000-memory.dmp	family_vidar_v7
behavioral2/memory/3748-16-0x0000000000610000-0x0000000000886000-memory.dmp	family_vidar_v7

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	noll.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	noll.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.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	noll.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	noll.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4508	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
3748	noll.exe
3748	noll.exe
3748	noll.exe
3748	noll.exe
3748	noll.exe
3748	noll.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3748 wrote to memory of 3776	3748	noll.exe	84
PID 3748 wrote to memory of 3776	3748	noll.exe	84
PID 3748 wrote to memory of 3776	3748	noll.exe	84
PID 3776 wrote to memory of 4508	3776	cmd.exe	86
PID 3776 wrote to memory of 4508	3776	cmd.exe	86
PID 3776 wrote to memory of 4508	3776	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\noll.exe
"C:\Users\Admin\AppData\Local\Temp\noll.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3748
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\noll.exe" & rd /s /q "C:\ProgramData\AFHDAKJKFCFB" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3776
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 10
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/3748-0-0x0000000000610000-0x0000000000886000-memory.dmp

Filesize
2.5MB

Download
memory/3748-16-0x0000000000610000-0x0000000000886000-memory.dmp

Filesize
2.5MB

Download