ytstealer | 610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37

Analysis

max time kernel
51s
max time network
180s
platform
windows10_x64
resource
win10-20220414-en
resource tags

arch:x64arch:x86image:win10-20220414-enlocale:en-usos:windows10-1703-x64system
submitted
12-08-2022 07:01

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General

Target

610811D7F38B4E44D47C9CE6DB1E66BB85DD658B2AB04BCD30FDEB7AD63C5F37.exe
Size

4.0MB
MD5

995ddbcb472a2f29283e06c29221c291
SHA1

466ee479e336157b1014a6b06633f34ab45ced54
SHA256

610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37
SHA512

27c88bbc50b90cd818c83344a9cac0352e2efe1265de10cbf25a91c7745fcdf3df9cb07170dc48bb8cbcd11e4f56a57d369280efab0357cd27ae4767e19c4165

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/2644-121-0x00000000001E0000-0x0000000000FA8000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2644-118-0x00000000001E0000-0x0000000000FA8000-memory.dmp	upx
behavioral2/memory/2644-121-0x00000000001E0000-0x0000000000FA8000-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

Processes:

610811D7F38B4E44D47C9CE6DB1E66BB85DD658B2AB04BCD30FDEB7AD63C5F37.exe

pid	process
2644	610811D7F38B4E44D47C9CE6DB1E66BB85DD658B2AB04BCD30FDEB7AD63C5F37.exe
2644	610811D7F38B4E44D47C9CE6DB1E66BB85DD658B2AB04BCD30FDEB7AD63C5F37.exe
2644	610811D7F38B4E44D47C9CE6DB1E66BB85DD658B2AB04BCD30FDEB7AD63C5F37.exe
2644	610811D7F38B4E44D47C9CE6DB1E66BB85DD658B2AB04BCD30FDEB7AD63C5F37.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

610811D7F38B4E44D47C9CE6DB1E66BB85DD658B2AB04BCD30FDEB7AD63C5F37.execmd.exe

description	pid	process	target process
PID 2644 wrote to memory of 2192	2644	610811D7F38B4E44D47C9CE6DB1E66BB85DD658B2AB04BCD30FDEB7AD63C5F37.exe	cmd.exe
PID 2644 wrote to memory of 2192	2644	610811D7F38B4E44D47C9CE6DB1E66BB85DD658B2AB04BCD30FDEB7AD63C5F37.exe	cmd.exe
PID 2192 wrote to memory of 2756	2192	cmd.exe	choice.exe
PID 2192 wrote to memory of 2756	2192	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\610811D7F38B4E44D47C9CE6DB1E66BB85DD658B2AB04BCD30FDEB7AD63C5F37.exe
"C:\Users\Admin\AppData\Local\Temp\610811D7F38B4E44D47C9CE6DB1E66BB85DD658B2AB04BCD30FDEB7AD63C5F37.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2644

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\610811D7F38B4E44D47C9CE6DB1E66BB85DD658B2AB04BCD30FDEB7AD63C5F37.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:2192

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:2756

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/2192-119-0x0000000000000000-mapping.dmp

Download
memory/2644-118-0x00000000001E0000-0x0000000000FA8000-memory.dmp

Filesize
13.8MB

Download
memory/2644-121-0x00000000001E0000-0x0000000000FA8000-memory.dmp

Filesize
13.8MB

Download
memory/2756-120-0x0000000000000000-mapping.dmp

Download