ytstealer | 330505cf36d2bf010feb21e58eb6c15d2d92ffbefd50127bf1ee5c6a3d6c6a78

Analysis

max time kernel
308s
max time network
318s
platform
windows10-1703_x64
resource
win10-20220718-en
resource tags

arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
submitted
12-08-2022 06:57

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General

Target

330505CF36D2BF010FEB21E58EB6C15D2D92FFBEFD50127BF1EE5C6A3D6C6A78.exe
Size

4.0MB
MD5

684465275cd9ee7aa9236e95520f4b53
SHA1

59e456d6b8877b11713b037077beb431be4ad1fc
SHA256

330505cf36d2bf010feb21e58eb6c15d2d92ffbefd50127bf1ee5c6a3d6c6a78
SHA512

81b2fcacded28f232ebde68aa8898cb6a64722c77683a70dd0de1899de8b819ddb0e9bcc9a3d62c8fe68bd93513bd5508330c31ccdaa6475e99e524cddd741f5

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/2668-117-0x0000000000C20000-0x00000000019E9000-memory.dmp	family_ytstealer
behavioral2/memory/2668-120-0x0000000000C20000-0x00000000019E9000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2668-117-0x0000000000C20000-0x00000000019E9000-memory.dmp	upx
behavioral2/memory/2668-120-0x0000000000C20000-0x00000000019E9000-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

Processes:

330505CF36D2BF010FEB21E58EB6C15D2D92FFBEFD50127BF1EE5C6A3D6C6A78.exe

pid	process
2668	330505CF36D2BF010FEB21E58EB6C15D2D92FFBEFD50127BF1EE5C6A3D6C6A78.exe
2668	330505CF36D2BF010FEB21E58EB6C15D2D92FFBEFD50127BF1EE5C6A3D6C6A78.exe
2668	330505CF36D2BF010FEB21E58EB6C15D2D92FFBEFD50127BF1EE5C6A3D6C6A78.exe
2668	330505CF36D2BF010FEB21E58EB6C15D2D92FFBEFD50127BF1EE5C6A3D6C6A78.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

330505CF36D2BF010FEB21E58EB6C15D2D92FFBEFD50127BF1EE5C6A3D6C6A78.execmd.exe

description	pid	process	target process
PID 2668 wrote to memory of 4704	2668	330505CF36D2BF010FEB21E58EB6C15D2D92FFBEFD50127BF1EE5C6A3D6C6A78.exe	cmd.exe
PID 2668 wrote to memory of 4704	2668	330505CF36D2BF010FEB21E58EB6C15D2D92FFBEFD50127BF1EE5C6A3D6C6A78.exe	cmd.exe
PID 4704 wrote to memory of 4720	4704	cmd.exe	choice.exe
PID 4704 wrote to memory of 4720	4704	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\330505CF36D2BF010FEB21E58EB6C15D2D92FFBEFD50127BF1EE5C6A3D6C6A78.exe
"C:\Users\Admin\AppData\Local\Temp\330505CF36D2BF010FEB21E58EB6C15D2D92FFBEFD50127BF1EE5C6A3D6C6A78.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2668

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\330505CF36D2BF010FEB21E58EB6C15D2D92FFBEFD50127BF1EE5C6A3D6C6A78.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4704

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:4720

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/2668-117-0x0000000000C20000-0x00000000019E9000-memory.dmp

Filesize
13.8MB

Download
memory/2668-120-0x0000000000C20000-0x00000000019E9000-memory.dmp

Filesize
13.8MB

Download
memory/4704-118-0x0000000000000000-mapping.dmp

Download
memory/4720-119-0x0000000000000000-mapping.dmp

Download