vidar | e5d4292ecf0f3e2c0f49c14054dd38fd3bb406dbdf6cb57c4cb51ba381323491

General

Target

Unlock_Tool_2.3.exe
Size

1.5MB
MD5

875d0ab4d446da201127377ef3756d5e
SHA1

45cdad2ed72f5d4956d13ffcee2002caabc68625
SHA256

5067e33aee627b233fccbfa9516fdb2bb96216694a606986f986add251a856fd
SHA512

4ee704b5cc1cf693a511ca555de476ec76fa39b9993fbde102545a390e91ae286c57f7c4cd717b56748a1549e1c28c5e7cfde994f61dac0b762b832fed4d769e
SSDEEP

12288:1hzfw9F+PLs7BYQtUq6xGfMD/lienK07szdiNb4uhYUsZNYHjuO83IEO:Lw9FOYBYQ6xG0TI4QO4uhNSNYDu/4t

Score

10^/10

vidar 23a142269e47ce1692ccc9fb68473bc2 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11.1

Botnet

23a142269e47ce1692ccc9fb68473bc2

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 10 IoCs

stealer

resource	yara_rule
behavioral1/memory/3880-1-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3880-3-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3880-13-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3880-14-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3880-23-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3880-24-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3880-32-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3880-33-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3880-49-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/3880-50-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3768 set thread context of 3880	3768	Unlock_Tool_2.3.exe	85

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3668	3768	WerFault.exe	83

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	Unlock_Tool_2.3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Unlock_Tool_2.3.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	Unlock_Tool_2.3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Unlock_Tool_2.3.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
3880	Unlock_Tool_2.3.exe
3880	Unlock_Tool_2.3.exe
3880	Unlock_Tool_2.3.exe
3880	Unlock_Tool_2.3.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3768 wrote to memory of 3880	3768	Unlock_Tool_2.3.exe	85
PID 3768 wrote to memory of 3880	3768	Unlock_Tool_2.3.exe	85
PID 3768 wrote to memory of 3880	3768	Unlock_Tool_2.3.exe	85
PID 3768 wrote to memory of 3880	3768	Unlock_Tool_2.3.exe	85
PID 3768 wrote to memory of 3880	3768	Unlock_Tool_2.3.exe	85
PID 3768 wrote to memory of 3880	3768	Unlock_Tool_2.3.exe	85
PID 3768 wrote to memory of 3880	3768	Unlock_Tool_2.3.exe	85
PID 3768 wrote to memory of 3880	3768	Unlock_Tool_2.3.exe	85
PID 3768 wrote to memory of 3880	3768	Unlock_Tool_2.3.exe	85
PID 3768 wrote to memory of 3880	3768	Unlock_Tool_2.3.exe	85

C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_2.3.exe
"C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_2.3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3768
- C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_2.3.exe
  "C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_2.3.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:3880
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3768 -s 256
  2⤵
  - Program crash
  PID:3668

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3768 -ip 3768
1⤵
PID:1220

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

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

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Downloads

memory/3768-0-0x0000000000F4B000-0x0000000000F4C000-memory.dmp

Filesize
4KB

Download
memory/3880-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3880-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3880-6-0x0000000000ED0000-0x000000000105E000-memory.dmp

Filesize
1.6MB

Download
memory/3880-13-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3880-14-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3880-16-0x0000000022640000-0x000000002289F000-memory.dmp

Filesize
2.4MB

Download
memory/3880-23-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3880-24-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3880-32-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3880-33-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3880-49-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/3880-50-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download

Analysis

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