ytstealer | 664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d

Analysis

max time kernel
45s
max time network
48s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-08-2022 01:54

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe
Size

4.0MB
MD5

1de1bfc469f4d7ffc655e818e6118bec
SHA1

d0e3163f362bff0aca33012cf4076cfd3bffbe7f
SHA256

664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d
SHA512

37a68541fefcff20fdd923584936575d5d11b6b487a9fc466f7e22a504243ac3d02923a78c6df1738f005f5254ac9db120b1a4c87870629adda6e43a09a6cd4a
SSDEEP

98304:lbYJPe1qkZuw/z/oXfVfT8GrQ+PeO77u5b1o4dJdJBt1SU3XxgXNgp:lb2UZultTBrQgeO41ZdT1jX

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
behavioral1/memory/1440-54-0x0000000000A20000-0x00000000017F9000-memory.dmp	family_ytstealer
behavioral1/memory/1440-57-0x0000000000A20000-0x00000000017F9000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1440-54-0x0000000000A20000-0x00000000017F9000-memory.dmp	upx
behavioral1/memory/1440-57-0x0000000000A20000-0x00000000017F9000-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 2 IoCs

Processes:

664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe

pid	process
1440	664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe
1440	664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.execmd.exe

description	pid	process	target process
PID 1440 wrote to memory of 1768	1440	664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe	cmd.exe
PID 1440 wrote to memory of 1768	1440	664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe	cmd.exe
PID 1440 wrote to memory of 1768	1440	664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe	cmd.exe
PID 1768 wrote to memory of 1156	1768	cmd.exe	choice.exe
PID 1768 wrote to memory of 1156	1768	cmd.exe	choice.exe
PID 1768 wrote to memory of 1156	1768	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe
"C:\Users\Admin\AppData\Local\Temp\664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1440

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\664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1768

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1156

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

Loading Replay Monitor...

Downloads

memory/1156-56-0x0000000000000000-mapping.dmp

Download
memory/1440-54-0x0000000000A20000-0x00000000017F9000-memory.dmp

Filesize
13.8MB

Download
memory/1440-57-0x0000000000A20000-0x00000000017F9000-memory.dmp

Filesize
13.8MB

Download
memory/1768-55-0x0000000000000000-mapping.dmp

Download