ytstealer | 5372839745d599caf94c606aeb7e806f37cd009ce207481e6adc19f34a96c249

Analysis

max time kernel
74s
max time network
185s
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 07:01

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General

Target

5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.exe
Size

4.0MB
MD5

e41c5f31d33c7419b7cf7ac0292efcf5
SHA1

d27d577fa8b52100c8a96291d34b2976fb55c7b4
SHA256

5372839745d599caf94c606aeb7e806f37cd009ce207481e6adc19f34a96c249
SHA512

f6c9558b93055aa9dfec7f5ca3cc8ee1b465fa3b81abbbd3fac7a9d1cfa1a4eb896af46cdce7c6269c9ecae45c6da6085203beb990e987ea22742a6fb91914af

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/2248-117-0x00000000000F0000-0x0000000000EB8000-memory.dmp	family_ytstealer
behavioral2/memory/2248-120-0x00000000000F0000-0x0000000000EB8000-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/2248-117-0x00000000000F0000-0x0000000000EB8000-memory.dmp	upx
behavioral2/memory/2248-120-0x00000000000F0000-0x0000000000EB8000-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:

5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.exe

pid	process
2248	5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.exe
2248	5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.exe
2248	5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.exe
2248	5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.execmd.exe

description	pid	process	target process
PID 2248 wrote to memory of 2660	2248	5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.exe	cmd.exe
PID 2248 wrote to memory of 2660	2248	5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.exe	cmd.exe
PID 2660 wrote to memory of 1112	2660	cmd.exe	choice.exe
PID 2660 wrote to memory of 1112	2660	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.exe
"C:\Users\Admin\AppData\Local\Temp\5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2248

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\5372839745D599CAF94C606AEB7E806F37CD009CE207481E6ADC19F34A96C249.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:2660

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1112

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/1112-119-0x0000000000000000-mapping.dmp

Download
memory/2248-117-0x00000000000F0000-0x0000000000EB8000-memory.dmp

Filesize
13.8MB

Download
memory/2248-120-0x00000000000F0000-0x0000000000EB8000-memory.dmp

Filesize
13.8MB

Download
memory/2660-118-0x0000000000000000-mapping.dmp

Download