ytstealer | 52fbe26c4b9fd1f8fae6d4840ef6741eb6c8bcd4f137f9139ae49b15d1590b20

Analysis

max time kernel
147s
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
04-09-2022 15:21

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General

Target

file.exe
Size

4.1MB
MD5

ceef7938f0bf3b59ab2b6d31633529a2
SHA1

c706f701407c878bfd11f53373a698c977fa9013
SHA256

52fbe26c4b9fd1f8fae6d4840ef6741eb6c8bcd4f137f9139ae49b15d1590b20
SHA512

ba14c980658c2974abcdf1188c2a26baf2d46ef4637e5abf49f48a4f88873e855928e89b7b921a3f59e13b71ffd582613e22b21974ec78d8c70f1fb959eb18b2
SSDEEP

98304:fVoXSjNPl7AYbFijNQB3fYIkyHf3QxYbXDkMau10iW:NoXSjNt7d2WvFHf3Q27DkMaiW

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/4952-133-0x0000000000A30000-0x0000000001855000-memory.dmp	family_ytstealer
behavioral2/memory/4952-137-0x0000000000A30000-0x0000000001855000-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/4952-132-0x0000000000A30000-0x0000000001855000-memory.dmp	upx
behavioral2/memory/4952-133-0x0000000000A30000-0x0000000001855000-memory.dmp	upx
behavioral2/memory/4952-137-0x0000000000A30000-0x0000000001855000-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
116	powershell.exe
116	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description	pid	Process
Token: SeDebugPrivilege	116	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

file.exe

description	pid	Process	procid_target
PID 4952 wrote to memory of 116	4952	file.exe	89
PID 4952 wrote to memory of 116	4952	file.exe	89

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4952
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell "" "Get-WmiObject Win32_PortConnector"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:116

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/116-134-0x0000000000000000-mapping.dmp

Download
memory/116-135-0x0000019977460000-0x0000019977482000-memory.dmp

Filesize
136KB

Download
memory/116-136-0x00007FFFCDB20000-0x00007FFFCE5E1000-memory.dmp

Filesize
10.8MB

Download
memory/4952-132-0x0000000000A30000-0x0000000001855000-memory.dmp

Filesize
14.1MB

Download
memory/4952-133-0x0000000000A30000-0x0000000001855000-memory.dmp

Filesize
14.1MB

Download
memory/4952-137-0x0000000000A30000-0x0000000001855000-memory.dmp

Filesize
14.1MB

Download