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
MD5

f7916e363dd6174cf1cb6e74ff9fef02
SHA1

7e2d640b5e1b077528e1fec599629af403d925c4
SHA256

65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe
SHA512

4865f19edf9c1cedce0247df318c59bd212f7592c698e82145212bf2f8ae5ada6cd33c35dd8d504a28b97dedb4a09c18d74b696c8fac21ea1fb02fbe0aad3809
SSDEEP

98304:+lBwy/N5j+LTy2krRs9lkn0rjeym2NL1YNiuXgHz5:U/N5j+LWdRW20rTZNLWAuXg

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/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

Processes:

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

Processes:

65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe

pid	process
4328	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe
4328	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe
4328	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe
4328	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.execmd.exe

description	pid	process	target process
PID 4328 wrote to memory of 3876	4328	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe	cmd.exe
PID 4328 wrote to memory of 3876	4328	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe	cmd.exe
PID 3876 wrote to memory of 4848	3876	cmd.exe	choice.exe
PID 3876 wrote to memory of 4848	3876	cmd.exe	choice.exe

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 Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3876-119-0x0000000000000000-mapping.dmp

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

Filesize
13.8MB

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

Filesize
13.8MB

Download
memory/4848-121-0x0000000000000000-mapping.dmp

Download