vidar | cde0869ebe3e11c729f79c65159832f08045c1c17f838816347a192b5de62ffa

General

Target

Unlock_Tool_v2.6.6.exe
Size

1.2MB
MD5

1da3ab025aec24902139d9a3f1cd4e6a
SHA1

45683e50a3d034e5fe9da7163ae535387c7a6801
SHA256

cde0869ebe3e11c729f79c65159832f08045c1c17f838816347a192b5de62ffa
SHA512

065005c29c2bb4f267bf89f2c190eaf9428096f8617f437fd760b25c52d3729e17b66a826fe45fb1414be529d445aa985b4316fed377052419a42327aaa8d63c
SSDEEP

24576:Y6YnZ/THIr8oY9uX/B55IctTsHHDs+kig6+3flO:Y6+ZbHIr8huX/ddso+kPV3fw

Score

10^/10

vidar 68fa61169d8a1f0521b8a06aa1f33efb credential_access discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

11.8

Botnet

68fa61169d8a1f0521b8a06aa1f33efb

C2

https://t.me/fu4chmo

https://steamcommunity.com/profiles/76561199802540894

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/17.6 Safari/605.1.15 Ddg/17.6

Signatures

Detect Vidar Stealer 4 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/1704-1-0x0000000000400000-0x0000000000659000-memory.dmp	family_vidar_v7
behavioral1/memory/1704-3-0x0000000000400000-0x0000000000659000-memory.dmp	family_vidar_v7
behavioral1/memory/1704-22-0x0000000000400000-0x0000000000659000-memory.dmp	family_vidar_v7
behavioral1/memory/1704-23-0x0000000000400000-0x0000000000659000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
vidar
Downloads MZ/PE file

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

Processes:

Unlock_Tool_v2.6.6.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3495501434-311648039-2993076821-1000\Control Panel\International\Geo\Nation	Unlock_Tool_v2.6.6.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
Suspicious use of SetThreadContext 1 IoCs

Processes:

Unlock_Tool_v2.6.6.exe

description pid process target process

PID 4392 set thread context of 1704 4392 Unlock_Tool_v2.6.6.exe Unlock_Tool_v2.6.6.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

892 4392 WerFault.exe Unlock_Tool_v2.6.6.exe

description	pid	process	target process
PID 4392 set thread context of 1704	4392	Unlock_Tool_v2.6.6.exe	Unlock_Tool_v2.6.6.exe

pid	pid_target	process	target process
892	4392	WerFault.exe	Unlock_Tool_v2.6.6.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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

Processes:

timeout.exeUnlock_Tool_v2.6.6.exeUnlock_Tool_v2.6.6.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	timeout.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Unlock_Tool_v2.6.6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Unlock_Tool_v2.6.6.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

Processes:

Unlock_Tool_v2.6.6.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	Unlock_Tool_v2.6.6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	Unlock_Tool_v2.6.6.exe

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

2924 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Unlock_Tool_v2.6.6.exe

pid process

1704 Unlock_Tool_v2.6.6.exe
1704 Unlock_Tool_v2.6.6.exe

pid	process
2924	timeout.exe

pid	process
1704	Unlock_Tool_v2.6.6.exe
1704	Unlock_Tool_v2.6.6.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

Unlock_Tool_v2.6.6.exeUnlock_Tool_v2.6.6.execmd.exe

description	pid	process	target process
PID 4392 wrote to memory of 1704	4392	Unlock_Tool_v2.6.6.exe	Unlock_Tool_v2.6.6.exe
PID 4392 wrote to memory of 1704	4392	Unlock_Tool_v2.6.6.exe	Unlock_Tool_v2.6.6.exe
PID 4392 wrote to memory of 1704	4392	Unlock_Tool_v2.6.6.exe	Unlock_Tool_v2.6.6.exe
PID 4392 wrote to memory of 1704	4392	Unlock_Tool_v2.6.6.exe	Unlock_Tool_v2.6.6.exe
PID 4392 wrote to memory of 1704	4392	Unlock_Tool_v2.6.6.exe	Unlock_Tool_v2.6.6.exe
PID 4392 wrote to memory of 1704	4392	Unlock_Tool_v2.6.6.exe	Unlock_Tool_v2.6.6.exe
PID 4392 wrote to memory of 1704	4392	Unlock_Tool_v2.6.6.exe	Unlock_Tool_v2.6.6.exe
PID 4392 wrote to memory of 1704	4392	Unlock_Tool_v2.6.6.exe	Unlock_Tool_v2.6.6.exe
PID 4392 wrote to memory of 1704	4392	Unlock_Tool_v2.6.6.exe	Unlock_Tool_v2.6.6.exe
PID 4392 wrote to memory of 1704	4392	Unlock_Tool_v2.6.6.exe	Unlock_Tool_v2.6.6.exe
PID 1704 wrote to memory of 2408	1704	Unlock_Tool_v2.6.6.exe	cmd.exe
PID 1704 wrote to memory of 2408	1704	Unlock_Tool_v2.6.6.exe	cmd.exe
PID 1704 wrote to memory of 2408	1704	Unlock_Tool_v2.6.6.exe	cmd.exe
PID 2408 wrote to memory of 2924	2408	cmd.exe	timeout.exe
PID 2408 wrote to memory of 2924	2408	cmd.exe	timeout.exe
PID 2408 wrote to memory of 2924	2408	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_v2.6.6.exe
"C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_v2.6.6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4392
- C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_v2.6.6.exe
  "C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_v2.6.6.exe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:1704
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout /t 10 & del /f /q "C:\Users\Admin\AppData\Local\Temp\Unlock_Tool_v2.6.6.exe" & rd /s /q "C:\ProgramData\BGHIIJDGHCBF" & exit
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2408
  - - C:\Windows\SysWOW64\timeout.exe
      timeout /t 10
      4⤵
      System Location Discovery: System Language Discovery
      Delays execution with timeout.exe
      PID:2924
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4392 -s 304
  2⤵
  - Program crash
  PID:892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4392 -ip 4392
1⤵
PID:2272

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

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Downloads

memory/1704-1-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1704-3-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1704-6-0x0000000000160000-0x000000000028B000-memory.dmp

Filesize
1.2MB

Download
memory/1704-22-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1704-23-0x0000000000400000-0x0000000000659000-memory.dmp

Filesize
2.3MB

Download
memory/1704-24-0x0000000019900000-0x0000000019B5F000-memory.dmp

Filesize
2.4MB

Download
memory/4392-0-0x0000000000240000-0x0000000000241000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads