vidar | 2eaffcbe75a09741328772b3f1b4c64d4f97f2cc14a2d5007469c125c8d42b52

General

Target

18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.exe
Size

383KB
MD5

8cf13135a7e323db19dc9d625d4d8702
SHA1

1c4608206be37d2de204e385a2add9f378774cfa
SHA256

18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c
SHA512

5e8024de8683db901c47a86322782402f2092120ff8b9a6edb61c92837003ce8a20a9dc504ca52197d55498aea992138b87fd00850b92db1c80bd249e9f643c0
SSDEEP

6144:hGO+83+N11n5au8LvOWjTMZG6wn+K8ekx0wKYHMCsHW+S0ZaaPG:hGOv3+N11n5ALvpjTACn+xek0VYExdZa

Score

10^/10

vidar 4fb976350439be886a8f60326d57d314 credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

4fb976350439be886a8f60326d57d314

C2

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 2 IoCs

stealer

resource	yara_rule
behavioral2/memory/2328-0-0x0000000000D60000-0x0000000000FD6000-memory.dmp	family_vidar_v7
behavioral2/memory/2328-18-0x0000000000D60000-0x0000000000FD6000-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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.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	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4140	timeout.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2328	18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.exe
2328	18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.exe
2328	18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.exe
2328	18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.exe
2328	18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.exe
2328	18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2328 wrote to memory of 2316	2328	18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.exe	102
PID 2328 wrote to memory of 2316	2328	18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.exe	102
PID 2328 wrote to memory of 2316	2328	18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.exe	102
PID 2316 wrote to memory of 4140	2316	cmd.exe	104
PID 2316 wrote to memory of 4140	2316	cmd.exe	104
PID 2316 wrote to memory of 4140	2316	cmd.exe	104

C:\Users\Admin\AppData\Local\Temp\18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.exe
"C:\Users\Admin\AppData\Local\Temp\18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.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:2328
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\18f5f368c18b9988c7d66abb169d54029cb6316910b109f3e3a4dbcc37a5b59c.exe" & rd /s /q "C:\ProgramData\HJDGHIJDGCBA" & exit
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2316
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 10
    3⤵
    - System Location Discovery: System Language Discovery
    - Delays execution with timeout.exe
    PID:4140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2328-0-0x0000000000D60000-0x0000000000FD6000-memory.dmp

Filesize
2.5MB

Download
memory/2328-18-0x0000000000D60000-0x0000000000FD6000-memory.dmp

Filesize
2.5MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads