ytstealer | 664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d

Analysis

max time kernel
53s
max time network
183s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
30/08/2022, 01:54

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General

Target
664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe
Size 4.0MB
Sample220830-cbjapabbd3
SHA256 664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d
MD5 1de1bfc469f4d7ffc655e818e6118bec
SHA1 d0e3163f362bff0aca33012cf4076cfd3bffbe7f
SHA512 37a68541fefcff20fdd923584936575d5d11b6b487a9fc466f7e22a504243ac3d02923a78c6df1738f005f5254ac9db120b1a4c87870629adda6e43a09a6cd4a
SSDEEP 98304:lbYJPe1qkZuw/z/oXfVfT8GrQ+PeO77u5b1o4dJdJBt1SU3XxgXNgp:lb2UZultTBrQgeO41ZdT1jX
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 1 IoCs

resource	yara_rule
behavioral2/memory/2092-123-0x0000000001050000-0x0000000001E29000-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/2092-120-0x0000000001050000-0x0000000001E29000-memory.dmp	upx
behavioral2/memory/2092-123-0x0000000001050000-0x0000000001E29000-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
2092	664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe
2092	664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe
2092	664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe
2092	664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2092 wrote to memory of 1816	2092	664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe	67
PID 2092 wrote to memory of 1816	2092	664e1df6dbed94a6e85ac93d7a1485cd28909da31ec38f0f0c7e4599886f878d.exe	67
PID 1816 wrote to memory of 4932	1816	cmd.exe	69
PID 1816 wrote to memory of 4932	1816	cmd.exe	69

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:2092
- 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:1816
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4932

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

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Downloads

memory/2092-120-0x0000000001050000-0x0000000001E29000-memory.dmp

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memory/2092-123-0x0000000001050000-0x0000000001E29000-memory.dmp

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