ytstealer | 88c36eae0908d1d67977d9b32f9da35b45122b97c05c6844110d34ec83388abd

Analysis

max time kernel
54s
max time network
185s
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, 02:08

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General

Target
88c36eae0908d1d67977d9b32f9da35b45122b97c05c6844110d34ec83388abd.exe
Size 4.0MB
Sample220830-cklr6sbda8
SHA256 88c36eae0908d1d67977d9b32f9da35b45122b97c05c6844110d34ec83388abd
MD5 c62982125ee1d246bbbcac25acd1b69b
SHA1 3ca24def2471841c0ee54b454f328e6c459b1536
SHA512 1588001def0473b8001f8188b9a19374119ee4acbe99f95ea385a0c2ad57d09057fcef7dbecae075edbb8ad41bde923f25ab95c7184403a15f83d5eb6240cb06
SSDEEP 98304:hTDdIs5eoaLukI2UPMorYMRUuLZj186DYI7JJpvKEOWJ06nPoR:tsXLWPNYYUaD3bKEOWO6nwR
MD5 SHA1 SHA512 SSDEEP

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

resource	yara_rule
behavioral2/memory/2452-121-0x0000000000E90000-0x0000000001C69000-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/2452-118-0x0000000000E90000-0x0000000001C69000-memory.dmp	upx
behavioral2/memory/2452-121-0x0000000000E90000-0x0000000001C69000-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
2452	88c36eae0908d1d67977d9b32f9da35b45122b97c05c6844110d34ec83388abd.exe
2452	88c36eae0908d1d67977d9b32f9da35b45122b97c05c6844110d34ec83388abd.exe
2452	88c36eae0908d1d67977d9b32f9da35b45122b97c05c6844110d34ec83388abd.exe
2452	88c36eae0908d1d67977d9b32f9da35b45122b97c05c6844110d34ec83388abd.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2452 wrote to memory of 4452	2452	88c36eae0908d1d67977d9b32f9da35b45122b97c05c6844110d34ec83388abd.exe	67
PID 2452 wrote to memory of 4452	2452	88c36eae0908d1d67977d9b32f9da35b45122b97c05c6844110d34ec83388abd.exe	67
PID 4452 wrote to memory of 3772	4452	cmd.exe	69
PID 4452 wrote to memory of 3772	4452	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\88c36eae0908d1d67977d9b32f9da35b45122b97c05c6844110d34ec83388abd.exe
"C:\Users\Admin\AppData\Local\Temp\88c36eae0908d1d67977d9b32f9da35b45122b97c05c6844110d34ec83388abd.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2452
- 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\88c36eae0908d1d67977d9b32f9da35b45122b97c05c6844110d34ec83388abd.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4452
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:3772

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

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Downloads

memory/2452-118-0x0000000000E90000-0x0000000001C69000-memory.dmp

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memory/2452-121-0x0000000000E90000-0x0000000001C69000-memory.dmp

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