ytstealer | 65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe

Analysis

max time kernel
47s
max time network
52s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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
behavioral1/memory/1940-54-0x0000000000070000-0x0000000000E49000-memory.dmp	family_ytstealer
behavioral1/memory/1940-57-0x0000000000070000-0x0000000000E49000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1940-54-0x0000000000070000-0x0000000000E49000-memory.dmp	upx
behavioral1/memory/1940-57-0x0000000000070000-0x0000000000E49000-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 2 IoCs

Processes:

65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe

pid	process
1940	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe
1940	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.execmd.exe

description	pid	process	target process
PID 1940 wrote to memory of 1892	1940	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe	cmd.exe
PID 1940 wrote to memory of 1892	1940	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe	cmd.exe
PID 1940 wrote to memory of 1892	1940	65a5e90e39cf1116533f4b8db0a1452fafd6871f4603ad03e01908e809e174fe.exe	cmd.exe
PID 1892 wrote to memory of 480	1892	cmd.exe	choice.exe
PID 1892 wrote to memory of 480	1892	cmd.exe	choice.exe
PID 1892 wrote to memory of 480	1892	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:1940

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:1892

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:480

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

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Downloads

memory/480-56-0x0000000000000000-mapping.dmp

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memory/1892-55-0x0000000000000000-mapping.dmp

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memory/1940-54-0x0000000000070000-0x0000000000E49000-memory.dmp

Filesize
13.8MB

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memory/1940-57-0x0000000000070000-0x0000000000E49000-memory.dmp

Filesize
13.8MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads