ytstealer | 8eec8c9e14777c879507607742c599737722098f5b716efc20e9030e294e29e8

Analysis

max time kernel
248s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
24/08/2022, 06:08

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

S.exe
Size

4.0MB
MD5

1154ca08233e826ca715aa080f246a43
SHA1

49dcf857ffbd20d21e7ba04ea734699561e69e8d
SHA256

8eec8c9e14777c879507607742c599737722098f5b716efc20e9030e294e29e8
SHA512

5292bd74823b4829d28ad09b9ca688dda843e83641a0f96a808ae5c718549865ea7e8a620bb7616d4f4af6cfaa04254662d8759aa102c2ed9d059a3375c836d8
SSDEEP

49152:7CUPJ8ZQgynXLExYwralpztdNZgpiMM96Koh0G6HKBmhdf5GC9ckudUeb4MoiMXB:7CUP9gyna8yt+4Cx3GC9cksUe9oFR

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 3 IoCs

resource	yara_rule
behavioral1/memory/1048-54-0x0000000000930000-0x0000000001742000-memory.dmp	family_ytstealer
behavioral1/memory/1048-55-0x0000000000930000-0x0000000001742000-memory.dmp	family_ytstealer
behavioral1/memory/1048-64-0x0000000000930000-0x0000000001742000-memory.dmp	family_ytstealer

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1048-54-0x0000000000930000-0x0000000001742000-memory.dmp	upx
behavioral1/memory/1048-55-0x0000000000930000-0x0000000001742000-memory.dmp	upx
behavioral1/memory/1048-64-0x0000000000930000-0x0000000001742000-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 1 IoCs

pid	Process
648	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	648	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 648	1048	S.exe	27
PID 1048 wrote to memory of 648	1048	S.exe	27
PID 1048 wrote to memory of 648	1048	S.exe	27

C:\Users\Admin\AppData\Local\Temp\S.exe
"C:\Users\Admin\AppData\Local\Temp\S.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell "" "Get-WmiObject Win32_PortConnector"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:648

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

Loading Replay Monitor...

Downloads

memory/648-57-0x000007FEFC281000-0x000007FEFC283000-memory.dmp

Filesize
8KB

Download
memory/648-58-0x000007FEF4830000-0x000007FEF5253000-memory.dmp

Filesize
10.1MB

Download
memory/648-59-0x0000000002364000-0x0000000002367000-memory.dmp

Filesize
12KB

Download
memory/648-60-0x000007FEF3CD0000-0x000007FEF482D000-memory.dmp

Filesize
11.4MB

Download
memory/648-61-0x000000000236B000-0x000000000238A000-memory.dmp

Filesize
124KB

Download
memory/648-62-0x0000000002364000-0x0000000002367000-memory.dmp

Filesize
12KB

Download
memory/648-63-0x000000000236B000-0x000000000238A000-memory.dmp

Filesize
124KB

Download
memory/1048-54-0x0000000000930000-0x0000000001742000-memory.dmp

Filesize
14.1MB

Download
memory/1048-55-0x0000000000930000-0x0000000001742000-memory.dmp

Filesize
14.1MB

Download
memory/1048-64-0x0000000000930000-0x0000000001742000-memory.dmp

Filesize
14.1MB

Download