ytstealer | 67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829

Analysis

max time kernel
51s
max time network
179s
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
67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829.exe
Size 4.0MB
Sample220915-d2m71afefr
SHA256 67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829
MD5 f155b0bbfef9582f2e4078f2d17e8227
SHA1 657206207995bffb0579091019f77bf7ab4ae5ee
SHA512 1418ef478583ca04895dd9b8a38400aaaf7d3d6de9aa5b77e0c0c96165db1a89cc8b4bd3962ac567caa9b7746f568f6f1ed691c953c66f5a17d0866c491d434b
SSDEEP 98304:YlyLR4gbyujObfRcR2t7fReTAW+Nl5w0gwgy4Sd1PPiIewm:YALRnbyIKm2hfy6l5wfYKIB
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/3504-117-0x0000000000AD0000-0x0000000001899000-memory.dmp	family_ytstealer
behavioral2/memory/3504-120-0x0000000000AD0000-0x0000000001899000-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/3504-117-0x0000000000AD0000-0x0000000001899000-memory.dmp	upx
behavioral2/memory/3504-120-0x0000000000AD0000-0x0000000001899000-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
3504	67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829.exe
3504	67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829.exe
3504	67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829.exe
3504	67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3504 wrote to memory of 4376	3504	67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829.exe	67
PID 3504 wrote to memory of 4376	3504	67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829.exe	67
PID 4376 wrote to memory of 2884	4376	cmd.exe	69
PID 4376 wrote to memory of 2884	4376	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829.exe
"C:\Users\Admin\AppData\Local\Temp\67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3504
- 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\67b332100d772722736d2fd90514ef2af23d84e800c880155f3da38a21fea829.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4376
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:2884

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/3504-117-0x0000000000AD0000-0x0000000001899000-memory.dmp

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memory/3504-120-0x0000000000AD0000-0x0000000001899000-memory.dmp

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