ytstealer | 1117aa3d97baa3fcc4cd60f695fb47ccef86fde7b3ffe7a26e6fe9c33a8b9c41

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
22-08-2022 15:33

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General

Target

file.exe
Size

4.0MB
MD5

dde97d310422b2d40e939f386eff5fcf
SHA1

388a76eb7baaec085d717dbb7c0f14cfa451018e
SHA256

1117aa3d97baa3fcc4cd60f695fb47ccef86fde7b3ffe7a26e6fe9c33a8b9c41
SHA512

5806632622ecff4f8ab054a1883585510322fc6108ea145efd1872d71521449aac468c1b1cc8bf079641da7e79a97382d42e9b791554c8cceef8e208cfa097c6

Score

10^/10

ytstealer spyware stealer upx

Malware Config

Signatures

YTStealer
YTStealer is a malware designed to steal YouTube authentication cookies.
stealer ytstealer

YTStealer payload 2 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3912-133-0x0000000000130000-0x0000000000F42000-memory.dmp	family_ytstealer
behavioral2/memory/3912-138-0x0000000000130000-0x0000000000F42000-memory.dmp	family_ytstealer

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/3912-132-0x0000000000130000-0x0000000000F42000-memory.dmp	upx
behavioral2/memory/3912-133-0x0000000000130000-0x0000000000F42000-memory.dmp	upx
behavioral2/memory/3912-138-0x0000000000130000-0x0000000000F42000-memory.dmp	upx

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
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

5032 powershell.exe
5032 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 5032 powershell.exe

pid	process
5032	powershell.exe
5032	powershell.exe

description	pid	process
Token: SeDebugPrivilege	5032	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

file.exe

description	pid	process	target process
PID 3912 wrote to memory of 5032	3912	file.exe	powershell.exe
PID 3912 wrote to memory of 5032	3912	file.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3912

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell "" "Get-WmiObject Win32_PortConnector"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5032

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3912-132-0x0000000000130000-0x0000000000F42000-memory.dmp

Filesize
14.1MB

Download
memory/3912-133-0x0000000000130000-0x0000000000F42000-memory.dmp

Filesize
14.1MB

Download
memory/3912-138-0x0000000000130000-0x0000000000F42000-memory.dmp

Filesize
14.1MB

Download
memory/5032-134-0x0000000000000000-mapping.dmp

Download
memory/5032-135-0x0000022D31540000-0x0000022D31562000-memory.dmp

Filesize
136KB

Download
memory/5032-136-0x00007FFD7D570000-0x00007FFD7E031000-memory.dmp

Filesize
10.8MB

Download
memory/5032-137-0x00007FFD7D570000-0x00007FFD7E031000-memory.dmp

Filesize
10.8MB

Download