ytstealer | 162167cc828134b6c0d08d5fc503955b4ee1a0a3efdc001709a6947be15ed3bd

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
22-08-2022 15:11

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General

Target

file.exe
Size

4.0MB
MD5

a9103ecc6cb83874f969456e129799a1
SHA1

869b755bd85562cbb0ee028dacf8683ea4d0e492
SHA256

162167cc828134b6c0d08d5fc503955b4ee1a0a3efdc001709a6947be15ed3bd
SHA512

22bfe40773d1f4d8ea475885a9fc33462121ca836a93e544c5be4119ede97ce8cbba929a1c85afcbff79b5dfe6f45dbc71d8e43d6680d9c1c99008a1119e06ab

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/4372-133-0x00000000005C0000-0x00000000013D2000-memory.dmp	family_ytstealer
behavioral2/memory/4372-138-0x00000000005C0000-0x00000000013D2000-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/4372-132-0x00000000005C0000-0x00000000013D2000-memory.dmp	upx
behavioral2/memory/4372-133-0x00000000005C0000-0x00000000013D2000-memory.dmp	upx
behavioral2/memory/4372-138-0x00000000005C0000-0x00000000013D2000-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

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

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 948 powershell.exe

pid	process
948	powershell.exe
948	powershell.exe

description	pid	process
Token: SeDebugPrivilege	948	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

file.exe

description	pid	process	target process
PID 4372 wrote to memory of 948	4372	file.exe	powershell.exe
PID 4372 wrote to memory of 948	4372	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:4372

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell "" "Get-WmiObject Win32_PortConnector"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:948

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/948-134-0x0000000000000000-mapping.dmp

Download
memory/948-135-0x000002316DA30000-0x000002316DA52000-memory.dmp

Filesize
136KB

Download
memory/948-136-0x00007FFE4DC70000-0x00007FFE4E731000-memory.dmp

Filesize
10.8MB

Download
memory/948-137-0x00007FFE4DC70000-0x00007FFE4E731000-memory.dmp

Filesize
10.8MB

Download
memory/4372-132-0x00000000005C0000-0x00000000013D2000-memory.dmp

Filesize
14.1MB

Download
memory/4372-133-0x00000000005C0000-0x00000000013D2000-memory.dmp

Filesize
14.1MB

Download
memory/4372-138-0x00000000005C0000-0x00000000013D2000-memory.dmp

Filesize
14.1MB

Download