ytstealer | 39b2f8df45c1356963ad36795c5d739b1201ca4798fbcc016ed3316a8a30cc9a

Analysis

max time kernel
143s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2022 19:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

file.exe
Size

4.0MB
MD5

cf9c0885f61ff3c1f2b17422e9cf45b9
SHA1

faca656638d948aab17b7fd2516ef6d18831ee3f
SHA256

39b2f8df45c1356963ad36795c5d739b1201ca4798fbcc016ed3316a8a30cc9a
SHA512

6a63e8ebf58f738bd281e0215600cf2812ffbfaf33a43bb27863b9767251cf22e5c5af1101bcac0e171026dd7c935244a8e97dce2c53bfd9696953a1eb7477d8
SSDEEP

98304:UPIhsXPGWXMKtHJWiLPLKzhXHaym7nHMsh5U3A2dGRbw0zVsQi84:QIktXFJLCHT2nHM+5spkTVYr

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 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3668-132-0x0000000000600000-0x0000000001414000-memory.dmp	family_ytstealer
behavioral2/memory/3668-133-0x0000000000600000-0x0000000001414000-memory.dmp	family_ytstealer
behavioral2/memory/3668-138-0x0000000000600000-0x0000000001414000-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/3668-132-0x0000000000600000-0x0000000001414000-memory.dmp	upx
behavioral2/memory/3668-133-0x0000000000600000-0x0000000001414000-memory.dmp	upx
behavioral2/memory/3668-138-0x0000000000600000-0x0000000001414000-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

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

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 432 powershell.exe

pid	process
432	powershell.exe
432	powershell.exe

description	pid	process
Token: SeDebugPrivilege	432	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

file.exe

description	pid	process	target process
PID 3668 wrote to memory of 432	3668	file.exe	powershell.exe
PID 3668 wrote to memory of 432	3668	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:3668

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell "" "Get-WmiObject Win32_PortConnector"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:432

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/432-134-0x0000000000000000-mapping.dmp

Download
memory/432-135-0x0000026D670F0000-0x0000026D67112000-memory.dmp

Filesize
136KB

Download
memory/432-136-0x00007FFD0F820000-0x00007FFD102E1000-memory.dmp

Filesize
10.8MB

Download
memory/432-137-0x00007FFD0F820000-0x00007FFD102E1000-memory.dmp

Filesize
10.8MB

Download
memory/3668-132-0x0000000000600000-0x0000000001414000-memory.dmp

Filesize
14.1MB

Download
memory/3668-133-0x0000000000600000-0x0000000001414000-memory.dmp

Filesize
14.1MB

Download
memory/3668-138-0x0000000000600000-0x0000000001414000-memory.dmp

Filesize
14.1MB

Download