ytstealer | 426b4361fc059b4c2e98f072f989e5dd59f508785be8bd2165e87d38e9a6284d

Analysis

max time kernel
102s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
26-08-2022 13:31

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General

Target

file.exe
Size

4.0MB
MD5

f9a93fa82c1194cd2545a527463945db
SHA1

edef9ad78265347a821d1201c0b1afc59cc1c11a
SHA256

426b4361fc059b4c2e98f072f989e5dd59f508785be8bd2165e87d38e9a6284d
SHA512

547c15386b5f714b056e227aa6abbd55fe23f874c929706eb1ad473eb9bae20f41585b96986b885cf32bdca5b62a8d0ecec3fec69f8c1cb8347ce6f37a276ff2
SSDEEP

98304:us5ZW5Hafm6WAmtHK52B7wnx7otb8XtCgxdth02GjRnXQCwd:OHa+qmtHKy72x7oUdth026

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/3484-132-0x0000000000C80000-0x0000000001A94000-memory.dmp	family_ytstealer
behavioral2/memory/3484-133-0x0000000000C80000-0x0000000001A94000-memory.dmp	family_ytstealer
behavioral2/memory/3484-137-0x0000000000C80000-0x0000000001A94000-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/3484-132-0x0000000000C80000-0x0000000001A94000-memory.dmp	upx
behavioral2/memory/3484-133-0x0000000000C80000-0x0000000001A94000-memory.dmp	upx
behavioral2/memory/3484-137-0x0000000000C80000-0x0000000001A94000-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

3776 powershell.exe
3776 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3776 powershell.exe

pid	process
3776	powershell.exe
3776	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3776	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

file.exe

description	pid	process	target process
PID 3484 wrote to memory of 3776	3484	file.exe	powershell.exe
PID 3484 wrote to memory of 3776	3484	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:3484

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell "" "Get-WmiObject Win32_PortConnector"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3776

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

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Downloads

memory/3484-132-0x0000000000C80000-0x0000000001A94000-memory.dmp

Filesize
14.1MB

Download
memory/3484-133-0x0000000000C80000-0x0000000001A94000-memory.dmp

Filesize
14.1MB

Download
memory/3484-137-0x0000000000C80000-0x0000000001A94000-memory.dmp

Filesize
14.1MB

Download
memory/3776-134-0x0000000000000000-mapping.dmp

Download
memory/3776-135-0x000002A2DCAA0000-0x000002A2DCAC2000-memory.dmp

Filesize
136KB

Download
memory/3776-136-0x00007FFF1A7B0000-0x00007FFF1B271000-memory.dmp

Filesize
10.8MB

Download