ytstealer | 2537af94a4828edf5b859e4af8ddad46d740b317e7812c30f7402ac55f64f2e9

Analysis

max time kernel
85s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2022 14:28

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General

Target

file.exe
Size

4.0MB
MD5

dbdabe272ad89931f5b26ccf4c5ef13a
SHA1

a1fa77240cb17b2eda490487de1f45c7f4f4494f
SHA256

2537af94a4828edf5b859e4af8ddad46d740b317e7812c30f7402ac55f64f2e9
SHA512

2a497a39ee5dec27af691a848efe6cb33dbc8efd63fa91b9f552dd9eb5b638c81aee5d39f234df35cc5507f6b6810a8938e90c3ff60ee27d8adbc308cda6cf7f
SSDEEP

98304:u/I3jX6m/pmTq8V0hXDPFofiKfA7MHylLL/El+NU:u/SjXxZ8V0lFbKfA7PlHE8N

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/4532-133-0x0000000000A00000-0x0000000001814000-memory.dmp	family_ytstealer
behavioral2/memory/4532-138-0x0000000000A00000-0x0000000001814000-memory.dmp	family_ytstealer

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4532-132-0x0000000000A00000-0x0000000001814000-memory.dmp	upx
behavioral2/memory/4532-133-0x0000000000A00000-0x0000000001814000-memory.dmp	upx
behavioral2/memory/4532-138-0x0000000000A00000-0x0000000001814000-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:

powershell.exe

pid process

5056 powershell.exe
5056 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 5056 powershell.exe

pid	process
5056	powershell.exe
5056	powershell.exe

description	pid	process
Token: SeDebugPrivilege	5056	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

file.exe

description	pid	process	target process
PID 4532 wrote to memory of 5056	4532	file.exe	powershell.exe
PID 4532 wrote to memory of 5056	4532	file.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4532

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell "" "Get-WmiObject Win32_PortConnector"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5056

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/4532-132-0x0000000000A00000-0x0000000001814000-memory.dmp

Filesize
14.1MB

Download
memory/4532-133-0x0000000000A00000-0x0000000001814000-memory.dmp

Filesize
14.1MB

Download
memory/4532-138-0x0000000000A00000-0x0000000001814000-memory.dmp

Filesize
14.1MB

Download
memory/5056-134-0x0000000000000000-mapping.dmp

Download
memory/5056-135-0x000001A3350A0000-0x000001A3350C2000-memory.dmp

Filesize
136KB

Download
memory/5056-136-0x00007FF9E5630000-0x00007FF9E60F1000-memory.dmp

Filesize
10.8MB

Download
memory/5056-137-0x00007FF9E5630000-0x00007FF9E60F1000-memory.dmp

Filesize
10.8MB

Download