ytstealer | 3cd0cfe1fc94267d3abfd828eef75f167570f3aef6b79ff20595cc965a3ad1eb

Analysis

max time kernel
75s
max time network
184s
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, 01:39

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General

Target
3cd0cfe1fc94267d3abfd828eef75f167570f3aef6b79ff20595cc965a3ad1eb.exe
Size 4.0MB
Sample220830-b3crjsbab3
SHA256 3cd0cfe1fc94267d3abfd828eef75f167570f3aef6b79ff20595cc965a3ad1eb
MD5 5ab27ffc06ac4caa6b4467d9b8e1bb5c
SHA1 8dff39ffe90914894a41b22df544d94536c10267
SHA512 3944116ce24ace12def4a869e5ec3f48b88036ee4147404fb78ad80d36938796b4e2659f56ebb8ae2f1a12f18e63f0c52d6b1d40198a809f16d666f0ded16807
SSDEEP 98304:3YnwokpuNSTuqmI79vyES8K4KE8RtPTz9/Xv4p2P80BrZpR/hZ:CepjTBmW95gD9IYBtpR/hZ
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/3516-116-0x0000000000830000-0x00000000015F9000-memory.dmp	family_ytstealer
behavioral2/memory/3516-119-0x0000000000830000-0x00000000015F9000-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/3516-116-0x0000000000830000-0x00000000015F9000-memory.dmp	upx
behavioral2/memory/3516-119-0x0000000000830000-0x00000000015F9000-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
3516	3cd0cfe1fc94267d3abfd828eef75f167570f3aef6b79ff20595cc965a3ad1eb.exe
3516	3cd0cfe1fc94267d3abfd828eef75f167570f3aef6b79ff20595cc965a3ad1eb.exe
3516	3cd0cfe1fc94267d3abfd828eef75f167570f3aef6b79ff20595cc965a3ad1eb.exe
3516	3cd0cfe1fc94267d3abfd828eef75f167570f3aef6b79ff20595cc965a3ad1eb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3516 wrote to memory of 2080	3516	3cd0cfe1fc94267d3abfd828eef75f167570f3aef6b79ff20595cc965a3ad1eb.exe	67
PID 3516 wrote to memory of 2080	3516	3cd0cfe1fc94267d3abfd828eef75f167570f3aef6b79ff20595cc965a3ad1eb.exe	67
PID 2080 wrote to memory of 1992	2080	cmd.exe	69
PID 2080 wrote to memory of 1992	2080	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\3cd0cfe1fc94267d3abfd828eef75f167570f3aef6b79ff20595cc965a3ad1eb.exe
"C:\Users\Admin\AppData\Local\Temp\3cd0cfe1fc94267d3abfd828eef75f167570f3aef6b79ff20595cc965a3ad1eb.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3516
- 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\3cd0cfe1fc94267d3abfd828eef75f167570f3aef6b79ff20595cc965a3ad1eb.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2080
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:1992

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/3516-116-0x0000000000830000-0x00000000015F9000-memory.dmp

Download

memory/3516-119-0x0000000000830000-0x00000000015F9000-memory.dmp

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