vidar | f4d0518740e6b904a853dc465dc28b7d07b8960af83347dad891795fa36b1866

Analysis

max time kernel
61s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
27-10-2022 09:39

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General

Target

4f5bf39c67ddb9f7fad0d0fc409e0938.exe
Size

488KB
MD5

4f5bf39c67ddb9f7fad0d0fc409e0938
SHA1

86f96267f7dd4deb95dca6b6b951ee9fede63788
SHA256

f4d0518740e6b904a853dc465dc28b7d07b8960af83347dad891795fa36b1866
SHA512

6ed64bf1a9daf12ed0923d3102357cea37016b151e30c012c2729438cbb181142115a50f4e7dc516b36b1f9bf899b3ff4feac1692617c0abba9bc1b24b950ee6
SSDEEP

6144:vzJuoXyxgC7hTXQGzMWU4YtUgsAOuaVwKywfb9EsZk6lFFWHPewwbt973BFwpIcp:7JyxgC7ZXmsp3yw9E2yHy3PwfEef

Score

10^/10

vidar 1707 spyware stealer

Malware Config

Extracted

Family

vidar

Version

55.2

Botnet

1707

https://t.me/slivetalks

https://c.im/@xinibin420

Attributes

profile_id
1707

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Loads dropped DLL 3 IoCs

Processes:

RegSvcs.exe

pid process

3676 RegSvcs.exe
3676 RegSvcs.exe
3676 RegSvcs.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:

4f5bf39c67ddb9f7fad0d0fc409e0938.exe

description pid process target process

PID 4868 set thread context of 3676 4868 4f5bf39c67ddb9f7fad0d0fc409e0938.exe RegSvcs.exe

pid	process
3676	RegSvcs.exe
3676	RegSvcs.exe
3676	RegSvcs.exe

description	pid	process	target process
PID 4868 set thread context of 3676	4868	4f5bf39c67ddb9f7fad0d0fc409e0938.exe	RegSvcs.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:

RegSvcs.exe

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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

640 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegSvcs.exe

pid process

3676 RegSvcs.exe
3676 RegSvcs.exe

pid	process
640	timeout.exe

pid	process
3676	RegSvcs.exe
3676	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

4f5bf39c67ddb9f7fad0d0fc409e0938.exeRegSvcs.execmd.exe

description	pid	process	target process
PID 4868 wrote to memory of 3676	4868	4f5bf39c67ddb9f7fad0d0fc409e0938.exe	RegSvcs.exe
PID 4868 wrote to memory of 3676	4868	4f5bf39c67ddb9f7fad0d0fc409e0938.exe	RegSvcs.exe
PID 4868 wrote to memory of 3676	4868	4f5bf39c67ddb9f7fad0d0fc409e0938.exe	RegSvcs.exe
PID 4868 wrote to memory of 3676	4868	4f5bf39c67ddb9f7fad0d0fc409e0938.exe	RegSvcs.exe
PID 4868 wrote to memory of 3676	4868	4f5bf39c67ddb9f7fad0d0fc409e0938.exe	RegSvcs.exe
PID 3676 wrote to memory of 4708	3676	RegSvcs.exe	cmd.exe
PID 3676 wrote to memory of 4708	3676	RegSvcs.exe	cmd.exe
PID 3676 wrote to memory of 4708	3676	RegSvcs.exe	cmd.exe
PID 4708 wrote to memory of 640	4708	cmd.exe	timeout.exe
PID 4708 wrote to memory of 640	4708	cmd.exe	timeout.exe
PID 4708 wrote to memory of 640	4708	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\4f5bf39c67ddb9f7fad0d0fc409e0938.exe
"C:\Users\Admin\AppData\Local\Temp\4f5bf39c67ddb9f7fad0d0fc409e0938.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4868

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3676

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout /t 6 & del /f /q "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:4708

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
4⤵
- Delays execution with timeout.exe
PID:640

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

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
C:\ProgramData\sqlite3.dll
Filesize
1.1MB

MD5
1f44d4d3087c2b202cf9c90ee9d04b0f

SHA1
106a3ebc9e39ab6ddb3ff987efb6527c956f192d

SHA256
4841020c8bd06b08fde6e44cbe2e2ab33439e1c8368e936ec5b00dc0584f7260

SHA512
b614c72a3c1ce681ebffa628e29aa50275cc80ca9267380960c5198ea4d0a3f2df6cfb7275491d220bad72f14fc94e6656501e9a061d102fb11e00cfda2beb45

Download Submit
memory/640-144-0x0000000000000000-mapping.dmp

Download
memory/3676-132-0x0000000000000000-mapping.dmp

Download
memory/3676-133-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/3676-139-0x0000000000400000-0x000000000045E000-memory.dmp

Filesize
376KB

Download
memory/4708-143-0x0000000000000000-mapping.dmp

Download