ytstealer | d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a

Analysis

max time kernel
54s
max time network
179s
platform
windows10-1703_x64
resource
win10-20220718-en
resource tags

arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
submitted
12-08-2022 07:14

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General

Target

D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.exe
Size

4.0MB
MD5

4a606ae94ecbbe4a00a140ed06a3b179
SHA1

8be744b97b23511466210c976ccf905adbbb5304
SHA256

d63b18620309a6c0dc303e05247e2c6fc2948612a62f5bdbec749a0e47aa1c2a
SHA512

52171445974e004c35d02b2edc68621d16b94a71d34369dee9499af5ad6e74368ece69de12928ed7aa4f86b78a1fe8429d26e951bd8eaf0aed012ef48ac33834

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/1852-117-0x0000000001210000-0x0000000001FD9000-memory.dmp	family_ytstealer
behavioral2/memory/1852-120-0x0000000001210000-0x0000000001FD9000-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/1852-117-0x0000000001210000-0x0000000001FD9000-memory.dmp	upx
behavioral2/memory/1852-120-0x0000000001210000-0x0000000001FD9000-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:

D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.exe

pid	process
1852	D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.exe
1852	D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.exe
1852	D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.exe
1852	D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.execmd.exe

description	pid	process	target process
PID 1852 wrote to memory of 3492	1852	D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.exe	cmd.exe
PID 1852 wrote to memory of 3492	1852	D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.exe	cmd.exe
PID 3492 wrote to memory of 4000	3492	cmd.exe	choice.exe
PID 3492 wrote to memory of 4000	3492	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.exe
"C:\Users\Admin\AppData\Local\Temp\D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1852

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\D63B18620309A6C0DC303E05247E2C6FC2948612A62F5BDBEC749A0E47AA1C2A.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:3492

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:4000

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1852-117-0x0000000001210000-0x0000000001FD9000-memory.dmp

Filesize
13.8MB

Download
memory/1852-120-0x0000000001210000-0x0000000001FD9000-memory.dmp

Filesize
13.8MB

Download
memory/3492-118-0x0000000000000000-mapping.dmp

Download
memory/4000-119-0x0000000000000000-mapping.dmp

Download