ytstealer | cecc58f7e5b69e0b2159f68ca5ee38f36b59a0adbe36f8a93e791f8788488fb5

Analysis

max time kernel
77s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2022 08:31

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General

Target

123.exe
Size

4.0MB
MD5

54d16b2bd83331c4512e3392271ac098
SHA1

313327e368810eae000d565f642a33ae3fc47fef
SHA256

cecc58f7e5b69e0b2159f68ca5ee38f36b59a0adbe36f8a93e791f8788488fb5
SHA512

9a613dd5e73d001e7a5fc71433619c6ffe7f1208b4930652e8a3c5e34330e7c7baf588a1386126d4a131041ad6162dfb390a3174f3cf511eaada1d00b4c314b3
SSDEEP

98304:aMXrxoP12YqQvOY3bpQQThqO04uQtXrLG+O/ee1:ayxoPgKvdlZ2utXrS+i

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/1180-133-0x0000000000BC0000-0x00000000019D2000-memory.dmp	family_ytstealer
behavioral2/memory/1180-138-0x0000000000BC0000-0x00000000019D2000-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/1180-132-0x0000000000BC0000-0x00000000019D2000-memory.dmp	upx
behavioral2/memory/1180-133-0x0000000000BC0000-0x00000000019D2000-memory.dmp	upx
behavioral2/memory/1180-138-0x0000000000BC0000-0x00000000019D2000-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

3076 powershell.exe
3076 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 3076 powershell.exe

pid	process
3076	powershell.exe
3076	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3076	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

123.exe

description	pid	process	target process
PID 1180 wrote to memory of 3076	1180	123.exe	powershell.exe
PID 1180 wrote to memory of 3076	1180	123.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\123.exe
"C:\Users\Admin\AppData\Local\Temp\123.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1180

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell "" "Get-WmiObject Win32_PortConnector"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3076

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/1180-132-0x0000000000BC0000-0x00000000019D2000-memory.dmp

Filesize
14.1MB

Download
memory/1180-133-0x0000000000BC0000-0x00000000019D2000-memory.dmp

Filesize
14.1MB

Download
memory/1180-138-0x0000000000BC0000-0x00000000019D2000-memory.dmp

Filesize
14.1MB

Download
memory/3076-134-0x0000000000000000-mapping.dmp

Download
memory/3076-135-0x000001D17D160000-0x000001D17D182000-memory.dmp

Filesize
136KB

Download
memory/3076-136-0x00007FF83AC80000-0x00007FF83B741000-memory.dmp

Filesize
10.8MB

Download
memory/3076-137-0x00007FF83AC80000-0x00007FF83B741000-memory.dmp

Filesize
10.8MB

Download