ytstealer | b221019fa30df97d456407a899a4675d1bfa0394c6362fc1745bb3235b69be14

General

Target

b221019fa30df97d456407a899a4675d1bfa0394c6362fc1745bb3235b69be14.exe
Size

4.0MB
MD5

8ce1b58517d9488123e72f84b2ba3709
SHA1

883bfba65cc27b5cbca1c5f8106961edae9b25d5
SHA256

b221019fa30df97d456407a899a4675d1bfa0394c6362fc1745bb3235b69be14
SHA512

32c9ecf59e760dd60b56ec980afac5b7bdc5bd39f128400425dc9e920461c3158d1b5815e23f17c69915ec7992e22db10742da8bda9fee34eb87e368c3d9fd1b
SSDEEP

98304:sm/4ZDjXetmLgiv6mn8GlSFDOXB/xJO+RJN3A0/l:sm/eqtmRvJNlSpOXB/aQ3w0/

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

resource	yara_rule
behavioral1/memory/1636-54-0x0000000000110000-0x0000000000F24000-memory.dmp	family_ytstealer
behavioral1/memory/1636-55-0x0000000000110000-0x0000000000F24000-memory.dmp	family_ytstealer
behavioral1/memory/1636-56-0x0000000000110000-0x0000000000F24000-memory.dmp	family_ytstealer

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1636-54-0x0000000000110000-0x0000000000F24000-memory.dmp	upx
behavioral1/memory/1636-55-0x0000000000110000-0x0000000000F24000-memory.dmp	upx
behavioral1/memory/1636-56-0x0000000000110000-0x0000000000F24000-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

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474	b221019fa30df97d456407a899a4675d1bfa0394c6362fc1745bb3235b69be14.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D4DE20D05E66FC53FE1A50882C78DB2852CAE474\Blob = 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	b221019fa30df97d456407a899a4675d1bfa0394c6362fc1745bb3235b69be14.exe

C:\Users\Admin\AppData\Local\Temp\b221019fa30df97d456407a899a4675d1bfa0394c6362fc1745bb3235b69be14.exe
"C:\Users\Admin\AppData\Local\Temp\b221019fa30df97d456407a899a4675d1bfa0394c6362fc1745bb3235b69be14.exe"
1⤵
- Modifies system certificate store
PID:1636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Credentials in Files

1

T1081

Discovery

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1636-54-0x0000000000110000-0x0000000000F24000-memory.dmp

Filesize
14.1MB

Download
memory/1636-55-0x0000000000110000-0x0000000000F24000-memory.dmp

Filesize
14.1MB

Download
memory/1636-56-0x0000000000110000-0x0000000000F24000-memory.dmp

Filesize
14.1MB

Download

Analysis

Sharing