vidar | 43283967357b7430a89b8904c8ad5022759cf0d5e9adc6505e68e95d7eebf993

Analysis

max time kernel
146s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
08/05/2023, 04:25

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General

Target

file.exe
Size

4.6MB
MD5

3cc3c84c2b53d1af1ef32385194d9567
SHA1

b39f3f126d7ce4c8d0c4e9466d442dfff1be1b2e
SHA256

43283967357b7430a89b8904c8ad5022759cf0d5e9adc6505e68e95d7eebf993
SHA512

f5463525fc8e98d7ab1e259578e7ba26e5512900da4daa567fec7d98349d325c8d79fd1273a2beb9e7b08b37d41f59ffaeae269417abd14ba97fe5775951e217
SSDEEP

98304:OwH5CqQ9h1l2jhdslXO2NmuWnCCYUryWQ4m+zyrVxigu6LrL:xH5CqQnP8hdscKmHryWXmk4xiuf

Score

10^/10

vidar 50444a9e42e55764a9d1f05ed3caa653 discovery spyware stealer vmprotect

Malware Config

Extracted

Family

vidar

Version

3.7

Botnet

50444a9e42e55764a9d1f05ed3caa653

https://steamcommunity.com/profiles/76561199501059503

https://t.me/mastersbots

Attributes

profile_id_v2
50444a9e42e55764a9d1f05ed3caa653
user_agent
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:109.0) Gecko/20100101 Firefox/112.0

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer 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-1-5-21-144354903-2550862337-1367551827-1000\Control Panel\International\Geo\Nation	file.exe

Loads dropped DLL 2 IoCs

pid	Process
2280	file.exe
2280	file.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081

VMProtect packed file 1 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral2/memory/2280-133-0x0000000000EC0000-0x00000000016AD000-memory.dmp	vmprotect

Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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

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	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	file.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4008	timeout.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2280	file.exe
2280	file.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2280 wrote to memory of 2520	2280	file.exe	87
PID 2280 wrote to memory of 2520	2280	file.exe	87
PID 2280 wrote to memory of 2520	2280	file.exe	87
PID 2520 wrote to memory of 4008	2520	cmd.exe	89
PID 2520 wrote to memory of 4008	2520	cmd.exe	89
PID 2520 wrote to memory of 4008	2520	cmd.exe	89

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2280
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\Temp\file.exe" & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2520
- - C:\Windows\SysWOW64\timeout.exe
    timeout /t 6
    3⤵
    - Delays execution with timeout.exe
    PID:4008

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\mozglue.dll

Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
C:\ProgramData\nss3.dll

Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/2280-133-0x0000000000EC0000-0x00000000016AD000-memory.dmp

Filesize
7.9MB

Download
memory/2280-145-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download