ytstealer | 8101c71c2c31df8da09ed7dd55da9bbd949b028f8f54f0e1cbffab82b192ed87

Analysis

max time kernel
91s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
04/10/2022, 15:07

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General

Target
malware_smoke_1674270581.exe
Size 4.0MB
Sample221004-shgcnsbcd9
SHA256 8101c71c2c31df8da09ed7dd55da9bbd949b028f8f54f0e1cbffab82b192ed87
MD5 063c6d9a6b645ef5d4e756a64e742afc
SHA1 72857a2a3fe6948b5fcb6a8d5555b1fc56b6868d
SHA512 54166ad3375dc246519d56f3710f85b792e3bd13daeee619c641f487b0a11691433d0c9900ba82f6c7d29b2c92e73cf82707b3099753dda6583b39db8d7f8c0b
SSDEEP 98304:v/M+dZZSK8hdw8wqxO0dGZeZOLQLtPeEdtcGbr/fBBz:JZSK8hd7NO0cZOqabhr/Lz
MD5 SHA1 SHA512 SSDEEP

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

resource	yara_rule
behavioral2/memory/4792-132-0x0000000000570000-0x0000000001339000-memory.dmp	family_ytstealer
behavioral2/memory/4792-134-0x0000000000570000-0x0000000001339000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4792-132-0x0000000000570000-0x0000000001339000-memory.dmp	upx
behavioral2/memory/4792-134-0x0000000000570000-0x0000000001339000-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 4 IoCs

pid	Process
4792	malware_smoke_1674270581.exe
4792	malware_smoke_1674270581.exe
4792	malware_smoke_1674270581.exe
4792	malware_smoke_1674270581.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4792 wrote to memory of 4524	4792	malware_smoke_1674270581.exe	86
PID 4792 wrote to memory of 4524	4792	malware_smoke_1674270581.exe	86
PID 4524 wrote to memory of 3896	4524	cmd.exe	88
PID 4524 wrote to memory of 3896	4524	cmd.exe	88

C:\Users\Admin\AppData\Local\Temp\malware_smoke_1674270581.exe
"C:\Users\Admin\AppData\Local\Temp\malware_smoke_1674270581.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4792
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /C choice /C Y /N /D Y /T 0 &Del C:\Users\Admin\AppData\Local\Temp\malware_smoke_1674270581.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4524
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:3896

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/4792-132-0x0000000000570000-0x0000000001339000-memory.dmp

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memory/4792-134-0x0000000000570000-0x0000000001339000-memory.dmp

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