ytstealer | 6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc

Analysis

max time kernel
57s
max time network
172s
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, 01:59

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General

Target
6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe
Size 4.0MB
Sample220830-cefzqsbbh7
SHA256 6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc
MD5 3c80bb1573592cc5d855e372155009b7
SHA1 c4d9b4f499dbe5ac3d4f4242b01af8bdac01e2e5
SHA512 2964a206bef693e78bdd79b9b6e07a9056ab8caeeb76f2b93e4f1fb977d580f048749b29e4fcce8492f7dd028c23af19bc71ffaee70f52fa616e4754ec94075a
SSDEEP 98304:we+CD9I4tr434FJHN9QYv9P3p2Lss7hKOUMivH7K5ilVlI16o6lC9Tck:we+A9Igrmkp1P3pNoKOumoOvNTc
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 2 IoCs

resource	yara_rule
behavioral2/memory/2508-115-0x0000000000FD0000-0x0000000001D98000-memory.dmp	family_ytstealer
behavioral2/memory/2508-117-0x0000000000FD0000-0x0000000001D98000-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/2508-115-0x0000000000FD0000-0x0000000001D98000-memory.dmp	upx
behavioral2/memory/2508-117-0x0000000000FD0000-0x0000000001D98000-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
2508	6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe
2508	6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe
2508	6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe
2508	6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 4644	2508	6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe	67
PID 2508 wrote to memory of 4644	2508	6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe	67
PID 4644 wrote to memory of 1884	4644	cmd.exe	69
PID 4644 wrote to memory of 1884	4644	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe
"C:\Users\Admin\AppData\Local\Temp\6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2508
- 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\6f77aa386dcd9d24e4cb6ae1f10f779ad105ca6d74405f336b7c8be06742aabc.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4644
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:1884

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/2508-115-0x0000000000FD0000-0x0000000001D98000-memory.dmp

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memory/2508-117-0x0000000000FD0000-0x0000000001D98000-memory.dmp

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