vidar | f5dc10b335dbe0582834152fd0d669aa28e96cd266ce2a5907c9852eb23ae209

Analysis

max time kernel
109s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20230221-en
resource tags

arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
submitted
29-05-2023 19:09

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General

Target

f5dc10b335dbe0582834152fd0d669aa28e96cd266ce2a5907c9852eb23ae209.exe
Size

438KB
MD5

e8e37691440bccfa33673345c1e5e410
SHA1

0eafd49b4231251f6463b2b74d325511b4f3a278
SHA256

f5dc10b335dbe0582834152fd0d669aa28e96cd266ce2a5907c9852eb23ae209
SHA512

06aa6aa80dafc111c8a14ffead8d7d8ac6a76d0096c0075711a1f51ef9a477b8eb1822b574389b3115280c1bb9eb52b0eb46e40cfd1827c6d1e5070712334f1b
SSDEEP

6144:85Aefh7+7xNnwI3MdfpzVRo5ogBuLsuXrxCLzWRXqtfeHyRZUvp0:8XZ+LnjKfpz8GgB8s+MzWJqtfJw

Score

10^/10

vidar a247b760bbf343752090be1436805458 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

4.1

Botnet

a247b760bbf343752090be1436805458

https://t.me/task4manager

http://23.88.46.113:80

https://steamcommunity.com/profiles/76561199510444991

Attributes

profile_id_v2
a247b760bbf343752090be1436805458
user_agent
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/112.0.0.0 Safari/537.36 Edg/112.0.1722.34

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
4640	f5dc10b335dbe0582834152fd0d669aa28e96cd266ce2a5907c9852eb23ae209.exe
4640	f5dc10b335dbe0582834152fd0d669aa28e96cd266ce2a5907c9852eb23ae209.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
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

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

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4148	4640	WerFault.exe	86

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	f5dc10b335dbe0582834152fd0d669aa28e96cd266ce2a5907c9852eb23ae209.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	f5dc10b335dbe0582834152fd0d669aa28e96cd266ce2a5907c9852eb23ae209.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4640	f5dc10b335dbe0582834152fd0d669aa28e96cd266ce2a5907c9852eb23ae209.exe
4640	f5dc10b335dbe0582834152fd0d669aa28e96cd266ce2a5907c9852eb23ae209.exe

C:\Users\Admin\AppData\Local\Temp\f5dc10b335dbe0582834152fd0d669aa28e96cd266ce2a5907c9852eb23ae209.exe
"C:\Users\Admin\AppData\Local\Temp\f5dc10b335dbe0582834152fd0d669aa28e96cd266ce2a5907c9852eb23ae209.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4640
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4640 -s 1888
  2⤵
  - Program crash
  PID:4148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4640 -ip 4640
1⤵
PID:3716

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

Replay Monitor

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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/4640-134-0x0000000002360000-0x00000000023B6000-memory.dmp

Filesize
344KB

Download
memory/4640-135-0x0000000000400000-0x00000000006EC000-memory.dmp

Filesize
2.9MB

Download
memory/4640-146-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/4640-201-0x0000000000400000-0x00000000006EC000-memory.dmp

Filesize
2.9MB

Download