ytstealer | 357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f

Analysis

max time kernel
40s
max time network
44s
platform
windows7_x64
resource
win7-20220715-en
resource tags

arch:x64arch:x86image:win7-20220715-enlocale:en-usos:windows7-x64system
submitted
12-08-2022 06:58

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General

Target

357CE30C8F64FF9FCBFE6AD248314448121B4170E73F40ED5BF73F93E327784F.exe
Size

4.0MB
MD5

e2000fde77951994b583b3fdadce18fd
SHA1

8308cc2a7c8a9e038b8d7d4765c192d1986e2b5d
SHA256

357ce30c8f64ff9fcbfe6ad248314448121b4170e73f40ed5bf73f93e327784f
SHA512

b691edae0036a5cb4ba89da2600214a83293ad1adb57e55e124389acfe61d1cae1170eb24d54c4f9095c15e9418de323820eb4ac1af2096f62569e37906395f9

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
behavioral1/memory/1708-54-0x0000000000FC0000-0x0000000001D99000-memory.dmp	family_ytstealer
behavioral1/memory/1708-57-0x0000000000FC0000-0x0000000001D99000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1708-54-0x0000000000FC0000-0x0000000001D99000-memory.dmp	upx
behavioral1/memory/1708-57-0x0000000000FC0000-0x0000000001D99000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

520 cmd.exe
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

pid	process
520	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

357CE30C8F64FF9FCBFE6AD248314448121B4170E73F40ED5BF73F93E327784F.exe

pid	process
1708	357CE30C8F64FF9FCBFE6AD248314448121B4170E73F40ED5BF73F93E327784F.exe
1708	357CE30C8F64FF9FCBFE6AD248314448121B4170E73F40ED5BF73F93E327784F.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

357CE30C8F64FF9FCBFE6AD248314448121B4170E73F40ED5BF73F93E327784F.execmd.exe

description	pid	process	target process
PID 1708 wrote to memory of 520	1708	357CE30C8F64FF9FCBFE6AD248314448121B4170E73F40ED5BF73F93E327784F.exe	cmd.exe
PID 1708 wrote to memory of 520	1708	357CE30C8F64FF9FCBFE6AD248314448121B4170E73F40ED5BF73F93E327784F.exe	cmd.exe
PID 1708 wrote to memory of 520	1708	357CE30C8F64FF9FCBFE6AD248314448121B4170E73F40ED5BF73F93E327784F.exe	cmd.exe
PID 520 wrote to memory of 1696	520	cmd.exe	choice.exe
PID 520 wrote to memory of 1696	520	cmd.exe	choice.exe
PID 520 wrote to memory of 1696	520	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\357CE30C8F64FF9FCBFE6AD248314448121B4170E73F40ED5BF73F93E327784F.exe
"C:\Users\Admin\AppData\Local\Temp\357CE30C8F64FF9FCBFE6AD248314448121B4170E73F40ED5BF73F93E327784F.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1708

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\357CE30C8F64FF9FCBFE6AD248314448121B4170E73F40ED5BF73F93E327784F.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:520

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1696

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/520-55-0x0000000000000000-mapping.dmp

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memory/1696-56-0x0000000000000000-mapping.dmp

Download
memory/1708-54-0x0000000000FC0000-0x0000000001D99000-memory.dmp

Filesize
13.8MB

Download
memory/1708-57-0x0000000000FC0000-0x0000000001D99000-memory.dmp

Filesize
13.8MB

Download