ytstealer | 5a023cfa4b4784d7155b39f4bfe4cbfad7e180c99a927dea04445cec4d9d7275

Analysis

max time kernel
100s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
24-08-2022 15:25

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General

Target

file.exe
Size

4.0MB
MD5

c67948e2a2841a9f509a02e753284ccb
SHA1

e68c5bfadad67008db69aac7e9bcdfbef0400a2c
SHA256

5a023cfa4b4784d7155b39f4bfe4cbfad7e180c99a927dea04445cec4d9d7275
SHA512

348144f4c530d8dcb93c88de83578d9a7792d9f67b129a3599476953ea97f060f27edee83f510b81795d925bf6888c493c8631be14c48d56e727839f1dfbe0a9
SSDEEP

98304:BvNSbka56zGduC1acyfu5lfTIkBE98ohkOdDEQ9M9bSWz:BIOzGdX1+fu5hIkBfohN5R9Mw

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/4716-132-0x0000000000720000-0x0000000001534000-memory.dmp	family_ytstealer
behavioral2/memory/4716-133-0x0000000000720000-0x0000000001534000-memory.dmp	family_ytstealer
behavioral2/memory/4716-137-0x0000000000720000-0x0000000001534000-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/4716-132-0x0000000000720000-0x0000000001534000-memory.dmp	upx
behavioral2/memory/4716-133-0x0000000000720000-0x0000000001534000-memory.dmp	upx
behavioral2/memory/4716-137-0x0000000000720000-0x0000000001534000-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

1620 powershell.exe
1620 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1620 powershell.exe

pid	process
1620	powershell.exe
1620	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1620	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

file.exe

description	pid	process	target process
PID 4716 wrote to memory of 1620	4716	file.exe	powershell.exe
PID 4716 wrote to memory of 1620	4716	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:4716

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell "" "Get-WmiObject Win32_PortConnector"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1620

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/1620-134-0x0000000000000000-mapping.dmp

Download
memory/1620-135-0x000002CCAED80000-0x000002CCAEDA2000-memory.dmp

Filesize
136KB

Download
memory/1620-136-0x00007FFDE84A0000-0x00007FFDE8F61000-memory.dmp

Filesize
10.8MB

Download
memory/1620-138-0x00007FFDE84A0000-0x00007FFDE8F61000-memory.dmp

Filesize
10.8MB

Download
memory/4716-132-0x0000000000720000-0x0000000001534000-memory.dmp

Filesize
14.1MB

Download
memory/4716-133-0x0000000000720000-0x0000000001534000-memory.dmp

Filesize
14.1MB

Download
memory/4716-137-0x0000000000720000-0x0000000001534000-memory.dmp

Filesize
14.1MB

Download