vidar | 2e05e4d2d7b1d6d1b1caa909037f39057c9a929e53849a0ed49e5d001afd7508

Analysis

max time kernel
135s
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
30/05/2023, 07:49

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General

Target

03187999.exe
Size

374KB
MD5

f29e32326c105d763e88b9ded0d12ffc
SHA1

0f0c4a222d79841253fb1894925588b7c60193d1
SHA256

2e05e4d2d7b1d6d1b1caa909037f39057c9a929e53849a0ed49e5d001afd7508
SHA512

40d48399d3df936b7230325aa3216a89292d30617bd5cffc710efa5ae48c4d976c1e85f582cb880ca7dca1188b260167b6b5de51e505a62440099a36c097943b
SSDEEP

6144:CzVhrwOhYNouYMQCk5mwvFxHgVv83I/AGV6MTS1mbj/a5:ITJYSFMQ/mGFxHgm6HS1m/M

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
540	03187999.exe
540	03187999.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
4272	540	WerFault.exe	83

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	03187999.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	03187999.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
540	03187999.exe
540	03187999.exe

C:\Users\Admin\AppData\Local\Temp\03187999.exe
"C:\Users\Admin\AppData\Local\Temp\03187999.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:540
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 540 -s 1892
  2⤵
  - Program crash
  PID:4272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 540 -ip 540
1⤵
PID:3864

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/540-134-0x0000000000840000-0x0000000000896000-memory.dmp

Filesize
344KB

Download
memory/540-135-0x0000000000400000-0x00000000006A3000-memory.dmp

Filesize
2.6MB

Download
memory/540-136-0x0000000000840000-0x0000000000896000-memory.dmp

Filesize
344KB

Download
memory/540-147-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download
memory/540-202-0x0000000000400000-0x00000000006A3000-memory.dmp

Filesize
2.6MB

Download