vidar | ce242ead59347522c60dfafc0b258a08449328691cf3742bc0a6fab5be9ba9d9

Analysis

max time kernel
71s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2023 16:27

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General

Target

file.exe
Size

368KB
MD5

72a188543585bf92a5d27d7d96577930
SHA1

883a046e79a4329cc05f904b82e270b0e31b96e6
SHA256

ce242ead59347522c60dfafc0b258a08449328691cf3742bc0a6fab5be9ba9d9
SHA512

260d76cf99ac63493e39b46e481d8783211fe15ddf1ca8689bcf80d60ce45fe870f81a33d5d64a8884ad5c9d3269cbe77faf721cb1f6381faf031949bc1610d6
SSDEEP

6144:Owz57pOFlpDofcQdKU8CvGJlcWwoKHL4YZUoWt6:Owz5UpMKbgWw5HcY

Score

10^/10

vidar 813 spyware stealer

Malware Config

Extracted

Family

vidar

Version

1.8

Botnet

813

https://t.me/year2023start

https://steamcommunity.com/profiles/76561199467421923

Attributes

profile_id
813

Signatures

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

Processes:

AppLaunch.exe

pid process

3464 AppLaunch.exe
3464 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:

file.exe

description pid process target process

PID 840 set thread context of 3464 840 file.exe AppLaunch.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4560 3464 WerFault.exe AppLaunch.exe

pid	process
3464	AppLaunch.exe
3464	AppLaunch.exe

description	pid	process	target process
PID 840 set thread context of 3464	840	file.exe	AppLaunch.exe

pid	pid_target	process	target process
4560	3464	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

Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

1872 timeout.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

AppLaunch.exe

pid process

3464 AppLaunch.exe
3464 AppLaunch.exe

pid	process
1872	timeout.exe

pid	process
3464	AppLaunch.exe
3464	AppLaunch.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

file.exeAppLaunch.execmd.exe

description	pid	process	target process
PID 840 wrote to memory of 3464	840	file.exe	AppLaunch.exe
PID 840 wrote to memory of 3464	840	file.exe	AppLaunch.exe
PID 840 wrote to memory of 3464	840	file.exe	AppLaunch.exe
PID 840 wrote to memory of 3464	840	file.exe	AppLaunch.exe
PID 840 wrote to memory of 3464	840	file.exe	AppLaunch.exe
PID 3464 wrote to memory of 3384	3464	AppLaunch.exe	cmd.exe
PID 3464 wrote to memory of 3384	3464	AppLaunch.exe	cmd.exe
PID 3464 wrote to memory of 3384	3464	AppLaunch.exe	cmd.exe
PID 3384 wrote to memory of 1872	3384	cmd.exe	timeout.exe
PID 3384 wrote to memory of 1872	3384	cmd.exe	timeout.exe
PID 3384 wrote to memory of 1872	3384	cmd.exe	timeout.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:840

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:3464

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\AppLaunch.exe" & exit
3⤵
- Suspicious use of WriteProcessMemory
PID:3384

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
4⤵
- Delays execution with timeout.exe
PID:1872

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3464 -s 1820
3⤵
- Program crash
PID:4560

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3464 -ip 3464
1⤵
PID:3416

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

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Downloads

C:\ProgramData\mozglue.dll
Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\ProgramData\nss3.dll
Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
memory/1872-162-0x0000000000000000-mapping.dmp

Download
memory/3384-161-0x0000000000000000-mapping.dmp

Download
memory/3464-132-0x0000000000000000-mapping.dmp

Download
memory/3464-133-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/3464-139-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/3464-140-0x0000000050DB0000-0x0000000050E42000-memory.dmp

Filesize
584KB

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