ytstealer | 4a574c8f0a8714832f75952af36eb61c2713d04ccb06639956b4ad4d75f9565a

Analysis

max time kernel
100s
max time network
100s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
08/08/2022, 07:59

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General

Target

4a574c8f0a8714832f75952af36eb61c2713d04ccb06639956b4ad4d75f9565a.exe
Size

4.3MB
MD5

40994e68a8b5a3c3ba777e52230dc796
SHA1

b7e84b45fe0e3144bbe96b0dc9c7318665345102
SHA256

4a574c8f0a8714832f75952af36eb61c2713d04ccb06639956b4ad4d75f9565a
SHA512

13960eb245c7252be641f7d98dfb8a77144dc52184a04cd3d341e3b1e4ed31dc36fb52b09a72e43e28f9792acc393b255a61b4416abc422c4a6c7591dc3ae22c

Score

10^/10

ytstealer stealer upx

Malware Config

Signatures

YTStealer
YTStealer is a malware designed to steal YouTube authentication cookies.
stealer ytstealer

YTStealer payload 2 IoCs

resource	yara_rule
behavioral1/memory/1564-54-0x000000013F6A0000-0x00000001404DD000-memory.dmp	family_ytstealer
behavioral1/memory/1564-55-0x000000013F6A0000-0x00000001404DD000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1564-54-0x000000013F6A0000-0x00000001404DD000-memory.dmp	upx
behavioral1/memory/1564-55-0x000000013F6A0000-0x00000001404DD000-memory.dmp	upx

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

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\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436	4a574c8f0a8714832f75952af36eb61c2713d04ccb06639956b4ad4d75f9565a.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\A8985D3A65E5E5C4B2D7D66D40C6DD2FB19C5436\Blob = 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	4a574c8f0a8714832f75952af36eb61c2713d04ccb06639956b4ad4d75f9565a.exe

C:\Users\Admin\AppData\Local\Temp\4a574c8f0a8714832f75952af36eb61c2713d04ccb06639956b4ad4d75f9565a.exe
"C:\Users\Admin\AppData\Local\Temp\4a574c8f0a8714832f75952af36eb61c2713d04ccb06639956b4ad4d75f9565a.exe"
1⤵
- Modifies system certificate store
PID:1564

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

T1130

Modify Registry

T1112

Web Service

T1102

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1564-54-0x000000013F6A0000-0x00000001404DD000-memory.dmp

Filesize
14.2MB

Download
memory/1564-55-0x000000013F6A0000-0x00000001404DD000-memory.dmp

Filesize
14.2MB

Download