ytstealer | 090c7252a135fc07a76346d91cfc05434b5b3fe72b7eaf40a99ae44f4c0d9058

Analysis

max time kernel
50s
max time network
177s
platform
windows10_x64
resource
win10-20220414-en
resource tags

arch:x64arch:x86image:win10-20220414-enlocale:en-usos:windows10-1703-x64system
submitted
12-08-2022 06:52

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General

Target

090C7252A135FC07A76346D91CFC05434B5B3FE72B7EAF40A99AE44F4C0D9058.exe
Size

4.0MB
MD5

1185a7ea8363092504eab6f64dbc24e1
SHA1

a02c270b6f424775d25d03d3269f6e2b2fd0da0c
SHA256

090c7252a135fc07a76346d91cfc05434b5b3fe72b7eaf40a99ae44f4c0d9058
SHA512

770f597b00a08edf3dabfcde9aedee45dfbab9de4f28f1076635b6f7af8ab14fa74786af952831ca83b844cbfff847727787f1d12ea0c0cc1dd5c80714dc627c

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

Processes:

resource	yara_rule
behavioral2/memory/920-121-0x00000000002D0000-0x00000000010A9000-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/920-118-0x00000000002D0000-0x00000000010A9000-memory.dmp	upx
behavioral2/memory/920-121-0x00000000002D0000-0x00000000010A9000-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:

090C7252A135FC07A76346D91CFC05434B5B3FE72B7EAF40A99AE44F4C0D9058.exe

pid	process
920	090C7252A135FC07A76346D91CFC05434B5B3FE72B7EAF40A99AE44F4C0D9058.exe
920	090C7252A135FC07A76346D91CFC05434B5B3FE72B7EAF40A99AE44F4C0D9058.exe
920	090C7252A135FC07A76346D91CFC05434B5B3FE72B7EAF40A99AE44F4C0D9058.exe
920	090C7252A135FC07A76346D91CFC05434B5B3FE72B7EAF40A99AE44F4C0D9058.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

090C7252A135FC07A76346D91CFC05434B5B3FE72B7EAF40A99AE44F4C0D9058.execmd.exe

description	pid	process	target process
PID 920 wrote to memory of 1832	920	090C7252A135FC07A76346D91CFC05434B5B3FE72B7EAF40A99AE44F4C0D9058.exe	cmd.exe
PID 920 wrote to memory of 1832	920	090C7252A135FC07A76346D91CFC05434B5B3FE72B7EAF40A99AE44F4C0D9058.exe	cmd.exe
PID 1832 wrote to memory of 2128	1832	cmd.exe	choice.exe
PID 1832 wrote to memory of 2128	1832	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\090C7252A135FC07A76346D91CFC05434B5B3FE72B7EAF40A99AE44F4C0D9058.exe
"C:\Users\Admin\AppData\Local\Temp\090C7252A135FC07A76346D91CFC05434B5B3FE72B7EAF40A99AE44F4C0D9058.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:920

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\090C7252A135FC07A76346D91CFC05434B5B3FE72B7EAF40A99AE44F4C0D9058.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1832

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:2128

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/920-118-0x00000000002D0000-0x00000000010A9000-memory.dmp

Filesize
13.8MB

Download
memory/920-121-0x00000000002D0000-0x00000000010A9000-memory.dmp

Filesize
13.8MB

Download
memory/1832-119-0x0000000000000000-mapping.dmp

Download
memory/2128-120-0x0000000000000000-mapping.dmp

Download