ytstealer | 65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe

Analysis

max time kernel
144s
max time network
178s
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, 01:53

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General

Target
65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe
Size 4.0MB
Sample220830-ca144sbbc9
SHA256 65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe
MD5 f7916e363dd6174cf1cb6e74ff9fef02
SHA1 7e2d640b5e1b077528e1fec599629af403d925c4
SHA512 4865f19edf9c1cedce0247df318c59bd212f7592c698e82145212bf2f8ae5ada6cd33c35dd8d504a28b97dedb4a09c18d74b696c8fac21ea1fb02fbe0aad3809
SSDEEP 98304:+lBwy/N5j+LTy2krRs9lkn0rjeym2NL1YNiuXgHz5:U/N5j+LWdRW20rTZNLWAuXg
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/4328-118-0x0000000000220000-0x0000000000FF9000-memory.dmp	family_ytstealer
behavioral2/memory/4328-120-0x0000000000220000-0x0000000000FF9000-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/4328-118-0x0000000000220000-0x0000000000FF9000-memory.dmp	upx
behavioral2/memory/4328-120-0x0000000000220000-0x0000000000FF9000-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
4328	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe
4328	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe
4328	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe
4328	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4328 wrote to memory of 3876	4328	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe	67
PID 4328 wrote to memory of 3876	4328	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe	67
PID 3876 wrote to memory of 4848	3876	cmd.exe	69
PID 3876 wrote to memory of 4848	3876	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe
"C:\Users\Admin\AppData\Local\Temp\65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4328
- 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\65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3876
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4848

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/4328-118-0x0000000000220000-0x0000000000FF9000-memory.dmp

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memory/4328-120-0x0000000000220000-0x0000000000FF9000-memory.dmp

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