vidar | 0dec4f7f0bbd17efab1cb9af9c0fbb78440b7e1fc02a64c169b42752305fc043

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
26-03-2023 01:34

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General

Target

b6fbba05f1a32b2fe499818cf4f2e09b6d6110e715e19efd16274a644f338a0c.exe
Size

6.5MB
MD5

774bd5fa9e8e0a7f86c1c90a8fa36220
SHA1

2a67e8f106e42800cfc2b8f7f54f30ca3e6f61d5
SHA256

b6fbba05f1a32b2fe499818cf4f2e09b6d6110e715e19efd16274a644f338a0c
SHA512

064baf902d6c6af82ccb7962ec1bb0331703612fbaf3bfa4ccc8fbc11e8cc845a7f236719dc15e747d5d5808b3cabdc0f1f7585518f850d289ad9dbeb89857dc
SSDEEP

98304:lZ+ThhzaCrJxJvCz9GR91J9W6B4Ucv6uimo3sQ4aUA1TbENOAIdNyghmPUf36L9i:z+TN9SBGRCLj44XA1kNQ8Amzn

Score

10^/10

vidar c0df01d7f62e830be9c90dd9576d1deb discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

3.1

Botnet

c0df01d7f62e830be9c90dd9576d1deb

https://steamcommunity.com/profiles/76561199472266392

https://t.me/tabootalks

http://135.181.26.183:80

Attributes

profile_id_v2
c0df01d7f62e830be9c90dd9576d1deb
user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
1176	b6fbba05f1a32b2fe499818cf4f2e09b6d6110e715e19efd16274a644f338a0c.exe
1176	b6fbba05f1a32b2fe499818cf4f2e09b6d6110e715e19efd16274a644f338a0c.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
2272	1176	WerFault.exe	82

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	b6fbba05f1a32b2fe499818cf4f2e09b6d6110e715e19efd16274a644f338a0c.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	b6fbba05f1a32b2fe499818cf4f2e09b6d6110e715e19efd16274a644f338a0c.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1176	b6fbba05f1a32b2fe499818cf4f2e09b6d6110e715e19efd16274a644f338a0c.exe
1176	b6fbba05f1a32b2fe499818cf4f2e09b6d6110e715e19efd16274a644f338a0c.exe
1176	b6fbba05f1a32b2fe499818cf4f2e09b6d6110e715e19efd16274a644f338a0c.exe
1176	b6fbba05f1a32b2fe499818cf4f2e09b6d6110e715e19efd16274a644f338a0c.exe

C:\Users\Admin\AppData\Local\Temp\b6fbba05f1a32b2fe499818cf4f2e09b6d6110e715e19efd16274a644f338a0c.exe
"C:\Users\Admin\AppData\Local\Temp\b6fbba05f1a32b2fe499818cf4f2e09b6d6110e715e19efd16274a644f338a0c.exe"
1⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1176
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1176 -s 1840
  2⤵
  - Program crash
  PID:2272

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 1176 -ip 1176
1⤵
PID:4520

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/1176-133-0x0000000000F00000-0x0000000000F01000-memory.dmp

Filesize
4KB

Download
memory/1176-135-0x0000000002CE0000-0x0000000002CE1000-memory.dmp

Filesize
4KB

Download
memory/1176-134-0x0000000002CD0000-0x0000000002CD1000-memory.dmp

Filesize
4KB

Download
memory/1176-136-0x0000000002D00000-0x0000000002D01000-memory.dmp

Filesize
4KB

Download
memory/1176-137-0x0000000002D10000-0x0000000002D11000-memory.dmp

Filesize
4KB

Download
memory/1176-138-0x0000000002D20000-0x0000000002D21000-memory.dmp

Filesize
4KB

Download
memory/1176-139-0x0000000002D30000-0x0000000002D31000-memory.dmp

Filesize
4KB

Download
memory/1176-140-0x0000000000400000-0x0000000000E75000-memory.dmp

Filesize
10.5MB

Download
memory/1176-152-0x0000000061E00000-0x0000000061EF3000-memory.dmp

Filesize
972KB

Download