ytstealer | 5fdd4b20a3a14e37444235668e7f641e776e76104db82a17608d6ab283057b63

Resubmissions

25/07/2022, 01:21

220725-bq65maggd7 10

24/07/2022, 21:15

220724-z38e8agfc8 10

Analysis

max time kernel
154s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2022, 21:15

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Report Analysis Logs

General

Target

start.exe
Size

4.0MB
MD5

06103d1e931ea83afb5cac974113c513
SHA1

ef70b042a19addb747697ee3270e1723ff988f5c
SHA256

5fdd4b20a3a14e37444235668e7f641e776e76104db82a17608d6ab283057b63
SHA512

f97ea97ef1431baef2372a7499a76a1edd9494ea31d6544b456d77d18120b4fb73dbc494a36f022b13613c4c636beb59cfb23f96a3386e3f39e9be0e14e1060f

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

resource	yara_rule
behavioral2/memory/3068-130-0x0000000000F10000-0x0000000001CE9000-memory.dmp	family_ytstealer
behavioral2/memory/3068-132-0x0000000000F10000-0x0000000001CE9000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3068-130-0x0000000000F10000-0x0000000001CE9000-memory.dmp	upx
behavioral2/memory/3068-132-0x0000000000F10000-0x0000000001CE9000-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 4 IoCs

pid	Process
3068	start.exe
3068	start.exe
3068	start.exe
3068	start.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3068 wrote to memory of 1240	3068	start.exe	80
PID 3068 wrote to memory of 1240	3068	start.exe	80
PID 1240 wrote to memory of 948	1240	cmd.exe	82
PID 1240 wrote to memory of 948	1240	cmd.exe	82

C:\Users\Admin\AppData\Local\Temp\start.exe
"C:\Users\Admin\AppData\Local\Temp\start.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3068
- 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\start.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1240
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    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/3068-130-0x0000000000F10000-0x0000000001CE9000-memory.dmp

Filesize
13.8MB

Download
memory/3068-132-0x0000000000F10000-0x0000000001CE9000-memory.dmp

Filesize
13.8MB

Download