ytstealer | b3e3f96200503f66168188ee1b36a201450af2c6925aca2295997ee0f554ab8e

Analysis

max time kernel
52s
max time network
179s
platform
windows10-1703_x64
resource
win10-20220722-en
resource tags

arch:x64arch:x86image:win10-20220722-enlocale:en-usos:windows10-1703-x64system
submitted
12-08-2022 07:09

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General

Target

B3E3F96200503F66168188EE1B36A201450AF2C6925ACA2295997EE0F554AB8E.exe
Size

4.0MB
MD5

cb2eed05de49399f878bdf00f4b53ee6
SHA1

1602c42b6b3ef4f9e91550af2d69f1d1b7e51354
SHA256

b3e3f96200503f66168188ee1b36a201450af2c6925aca2295997ee0f554ab8e
SHA512

9df04aade3b16995ac4abb033410a58253d34efa96893bcc0faaf2a66ac32d8539d7a0522d1478d6cd7447bfe1ccd9f14a4c0bf394c5acaafbb4ecccf74b5cbd

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
behavioral2/memory/2180-127-0x0000000000A60000-0x0000000001839000-memory.dmp	family_ytstealer
behavioral2/memory/2180-129-0x0000000000A60000-0x0000000001839000-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/2180-127-0x0000000000A60000-0x0000000001839000-memory.dmp	upx
behavioral2/memory/2180-129-0x0000000000A60000-0x0000000001839000-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:

B3E3F96200503F66168188EE1B36A201450AF2C6925ACA2295997EE0F554AB8E.exe

pid	process
2180	B3E3F96200503F66168188EE1B36A201450AF2C6925ACA2295997EE0F554AB8E.exe
2180	B3E3F96200503F66168188EE1B36A201450AF2C6925ACA2295997EE0F554AB8E.exe
2180	B3E3F96200503F66168188EE1B36A201450AF2C6925ACA2295997EE0F554AB8E.exe
2180	B3E3F96200503F66168188EE1B36A201450AF2C6925ACA2295997EE0F554AB8E.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

B3E3F96200503F66168188EE1B36A201450AF2C6925ACA2295997EE0F554AB8E.execmd.exe

description	pid	process	target process
PID 2180 wrote to memory of 4024	2180	B3E3F96200503F66168188EE1B36A201450AF2C6925ACA2295997EE0F554AB8E.exe	cmd.exe
PID 2180 wrote to memory of 4024	2180	B3E3F96200503F66168188EE1B36A201450AF2C6925ACA2295997EE0F554AB8E.exe	cmd.exe
PID 4024 wrote to memory of 4600	4024	cmd.exe	choice.exe
PID 4024 wrote to memory of 4600	4024	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\B3E3F96200503F66168188EE1B36A201450AF2C6925ACA2295997EE0F554AB8E.exe
"C:\Users\Admin\AppData\Local\Temp\B3E3F96200503F66168188EE1B36A201450AF2C6925ACA2295997EE0F554AB8E.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2180

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\B3E3F96200503F66168188EE1B36A201450AF2C6925ACA2295997EE0F554AB8E.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4024

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:4600

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/2180-127-0x0000000000A60000-0x0000000001839000-memory.dmp

Filesize
13.8MB

Download
memory/2180-129-0x0000000000A60000-0x0000000001839000-memory.dmp

Filesize
13.8MB

Download
memory/4024-128-0x0000000000000000-mapping.dmp

Download
memory/4600-130-0x0000000000000000-mapping.dmp

Download