vidar | fd8f4ca0de661107d0caabd16b2fcce04fc4b59783db22e8ac3550db0af880c6

General

Target

Audition/setup.exe
Size

761.7MB
MD5

d2956439113ed8d56521d55b566160cf
SHA1

dc344753687f33430ec7eea823716fbdd2e066af
SHA256

ca3f82e0b9281ea978ace148c2ee28dc3c6a55471786a82156af3531bb20208c
SHA512

da0efdaf4983df711beefbf5c52e91d87845464ce151b1b1b1a46f6c05f9c4588639bf518eab6c9051bb631e35ab6dbdf6efd87d76cabcc0283b85d2e8bac077
SSDEEP

12288:GePTklV7l7g57eLmTgcH0GIsbU7i9f/jyarjK:Ge2V7l7wamQGk7i9f/3re

Score

10^/10

vidar 408 spyware stealer

Malware Config

Extracted

Family

vidar

Version

2.5

Botnet

408

Attributes

profile_id
408

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Loads dropped DLL 2 IoCs

Processes:

AppLaunch.exe

pid process

1612 AppLaunch.exe
1612 AppLaunch.exe
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
Suspicious use of SetThreadContext 1 IoCs

Processes:

setup.exe

description pid process target process

PID 2044 set thread context of 1612 2044 setup.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

856 1612 WerFault.exe AppLaunch.exe

pid	process
1612	AppLaunch.exe
1612	AppLaunch.exe

description	pid	process	target process
PID 2044 set thread context of 1612	2044	setup.exe	AppLaunch.exe

pid	pid_target	process	target process
856	1612	WerFault.exe	AppLaunch.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:

AppLaunch.exe

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

Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

AppLaunch.exe

pid process

1612 AppLaunch.exe

pid	process
1612	AppLaunch.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

setup.exeAppLaunch.exe

description	pid	process	target process
PID 2044 wrote to memory of 1612	2044	setup.exe	AppLaunch.exe
PID 2044 wrote to memory of 1612	2044	setup.exe	AppLaunch.exe
PID 2044 wrote to memory of 1612	2044	setup.exe	AppLaunch.exe
PID 2044 wrote to memory of 1612	2044	setup.exe	AppLaunch.exe
PID 2044 wrote to memory of 1612	2044	setup.exe	AppLaunch.exe
PID 2044 wrote to memory of 1612	2044	setup.exe	AppLaunch.exe
PID 2044 wrote to memory of 1612	2044	setup.exe	AppLaunch.exe
PID 2044 wrote to memory of 1612	2044	setup.exe	AppLaunch.exe
PID 2044 wrote to memory of 1612	2044	setup.exe	AppLaunch.exe
PID 1612 wrote to memory of 856	1612	AppLaunch.exe	WerFault.exe
PID 1612 wrote to memory of 856	1612	AppLaunch.exe	WerFault.exe
PID 1612 wrote to memory of 856	1612	AppLaunch.exe	WerFault.exe
PID 1612 wrote to memory of 856	1612	AppLaunch.exe	WerFault.exe
PID 1612 wrote to memory of 856	1612	AppLaunch.exe	WerFault.exe
PID 1612 wrote to memory of 856	1612	AppLaunch.exe	WerFault.exe
PID 1612 wrote to memory of 856	1612	AppLaunch.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\Audition\setup.exe
"C:\Users\Admin\AppData\Local\Temp\Audition\setup.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2044

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 1432
3⤵
- Program crash
PID:856

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\ProgramData\mozglue.dll
Filesize
593KB

MD5
c8fd9be83bc728cc04beffafc2907fe9

SHA1
95ab9f701e0024cedfbd312bcfe4e726744c4f2e

SHA256
ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

SHA512
fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

Download Submit
\ProgramData\nss3.dll
Filesize
2.0MB

MD5
1cc453cdf74f31e4d913ff9c10acdde2

SHA1
6e85eae544d6e965f15fa5c39700fa7202f3aafe

SHA256
ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

SHA512
dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

Download Submit
memory/856-87-0x0000000000000000-mapping.dmp

Download
memory/1612-55-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1612-57-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1612-63-0x0000000000432A3C-mapping.dmp

Download
memory/1612-64-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1612-66-0x0000000000400000-0x0000000000472000-memory.dmp

Filesize
456KB

Download
memory/1612-67-0x0000000051140000-0x0000000051233000-memory.dmp

Filesize
972KB

Download
memory/2044-54-0x0000000075201000-0x0000000075203000-memory.dmp

Filesize
8KB

Download

Analysis

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