ytstealer | 610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37

Analysis

max time kernel
51s
max time network
178s
platform
windows10-1703_x64
resource
win10-20220901-en
resource tags

arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system
submitted
15-09-2022 03:30

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General

Target

610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37.exe
Size

4.0MB
MD5

995ddbcb472a2f29283e06c29221c291
SHA1

466ee479e336157b1014a6b06633f34ab45ced54
SHA256

610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37
SHA512

27c88bbc50b90cd818c83344a9cac0352e2efe1265de10cbf25a91c7745fcdf3df9cb07170dc48bb8cbcd11e4f56a57d369280efab0357cd27ae4767e19c4165
SSDEEP

98304:FgdOnZ7OJYwgORpc5dANc19QrBuO0ij7XWmJ85w6:Fgd+lOJXSdb19QVnXWK6

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/2108-120-0x0000000001280000-0x0000000002048000-memory.dmp	family_ytstealer
behavioral2/memory/2108-122-0x0000000001280000-0x0000000002048000-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/2108-120-0x0000000001280000-0x0000000002048000-memory.dmp	upx
behavioral2/memory/2108-122-0x0000000001280000-0x0000000002048000-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:

610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37.exe

pid	process
2108	610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37.exe
2108	610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37.exe
2108	610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37.exe
2108	610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37.execmd.exe

description	pid	process	target process
PID 2108 wrote to memory of 1116	2108	610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37.exe	cmd.exe
PID 2108 wrote to memory of 1116	2108	610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37.exe	cmd.exe
PID 1116 wrote to memory of 2504	1116	cmd.exe	choice.exe
PID 1116 wrote to memory of 2504	1116	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37.exe
"C:\Users\Admin\AppData\Local\Temp\610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2108

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\610811d7f38b4e44d47c9ce6db1e66bb85dd658b2ab04bcd30fdeb7ad63c5f37.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1116

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:2504

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/1116-121-0x0000000000000000-mapping.dmp

Download
memory/2108-120-0x0000000001280000-0x0000000002048000-memory.dmp

Filesize
13.8MB

Download
memory/2108-122-0x0000000001280000-0x0000000002048000-memory.dmp

Filesize
13.8MB

Download
memory/2504-123-0x0000000000000000-mapping.dmp

Download