ytstealer | 597ea34e83fd4945907f9ef3bd934e3fc3ab28884e6f60b346529a3befd28d0f

Analysis

max time kernel
165s
max time network
187s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
30-08-2022 01:49

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General

Target

597ea34e83fd4945907f9ef3bd934e3fc3ab28884e6f60b346529a3befd28d0f.exe
Size

4.0MB
MD5

9ce2ce9dddea6bdfc766203c302bcc09
SHA1

c6a3be4a57b6f3b2addec22026a2e0e7cedfb56d
SHA256

597ea34e83fd4945907f9ef3bd934e3fc3ab28884e6f60b346529a3befd28d0f
SHA512

a7e86bd1d81422b6c0a161cb1636500a2a8ed78f48866079bacb55663fbc2279407f0ed4be76f846fc8e270b129a103adca6e5d48e07949ccbd18cd7c4deddf0
SSDEEP

98304:gFursxfz5vXRAzn7LYzY1Zp/+I/UNvhcIF9X0VMZ5POavi:6GCzxRsn7E8+HfZHX0VMZ5Gaq

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1336-122-0x00000000013E0000-0x00000000021B9000-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/1336-120-0x00000000013E0000-0x00000000021B9000-memory.dmp	upx
behavioral2/memory/1336-122-0x00000000013E0000-0x00000000021B9000-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:

597ea34e83fd4945907f9ef3bd934e3fc3ab28884e6f60b346529a3befd28d0f.exe

pid	process
1336	597ea34e83fd4945907f9ef3bd934e3fc3ab28884e6f60b346529a3befd28d0f.exe
1336	597ea34e83fd4945907f9ef3bd934e3fc3ab28884e6f60b346529a3befd28d0f.exe
1336	597ea34e83fd4945907f9ef3bd934e3fc3ab28884e6f60b346529a3befd28d0f.exe
1336	597ea34e83fd4945907f9ef3bd934e3fc3ab28884e6f60b346529a3befd28d0f.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

597ea34e83fd4945907f9ef3bd934e3fc3ab28884e6f60b346529a3befd28d0f.execmd.exe

description	pid	process	target process
PID 1336 wrote to memory of 2488	1336	597ea34e83fd4945907f9ef3bd934e3fc3ab28884e6f60b346529a3befd28d0f.exe	cmd.exe
PID 1336 wrote to memory of 2488	1336	597ea34e83fd4945907f9ef3bd934e3fc3ab28884e6f60b346529a3befd28d0f.exe	cmd.exe
PID 2488 wrote to memory of 2676	2488	cmd.exe	choice.exe
PID 2488 wrote to memory of 2676	2488	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\597ea34e83fd4945907f9ef3bd934e3fc3ab28884e6f60b346529a3befd28d0f.exe
"C:\Users\Admin\AppData\Local\Temp\597ea34e83fd4945907f9ef3bd934e3fc3ab28884e6f60b346529a3befd28d0f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1336

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\597ea34e83fd4945907f9ef3bd934e3fc3ab28884e6f60b346529a3befd28d0f.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:2488

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:2676

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1336-120-0x00000000013E0000-0x00000000021B9000-memory.dmp

Filesize
13.8MB

Download
memory/1336-122-0x00000000013E0000-0x00000000021B9000-memory.dmp

Filesize
13.8MB

Download
memory/2488-121-0x0000000000000000-mapping.dmp

Download
memory/2676-123-0x0000000000000000-mapping.dmp

Download