ytstealer | 26fed2c1dd8f187471dc4566117565dd34451aa4401fc2b271aa9de60df3aecb

Analysis

max time kernel
165s
max time network
181s
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 01:28

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General

Target

26fed2c1dd8f187471dc4566117565dd34451aa4401fc2b271aa9de60df3aecb.exe
Size

4.0MB
MD5

efb547309c1d3f1d88dbeaea67624002
SHA1

1ed73f37b906652a976c5d7c377685f7f0e8f1c9
SHA256

26fed2c1dd8f187471dc4566117565dd34451aa4401fc2b271aa9de60df3aecb
SHA512

4d38e8595e6bed32b99ffcdad16baa6983e3728a12dae3a918baf47e962c3b14dca2f2279b25fbbe3d805f90f99898bc458ae3347873945fbb30f974eeb347bd
SSDEEP

98304:7kS/7Kih5RIZdoDMowznI6hAK9stW/Jjo55CS5n8ZTuCt2a:7kSK85EdOV6nI6mfkJ+CqCTue

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/1336-123-0x0000000000D20000-0x0000000001AF8000-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/1336-120-0x0000000000D20000-0x0000000001AF8000-memory.dmp	upx
behavioral2/memory/1336-123-0x0000000000D20000-0x0000000001AF8000-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:

26fed2c1dd8f187471dc4566117565dd34451aa4401fc2b271aa9de60df3aecb.exe

pid	process
1336	26fed2c1dd8f187471dc4566117565dd34451aa4401fc2b271aa9de60df3aecb.exe
1336	26fed2c1dd8f187471dc4566117565dd34451aa4401fc2b271aa9de60df3aecb.exe
1336	26fed2c1dd8f187471dc4566117565dd34451aa4401fc2b271aa9de60df3aecb.exe
1336	26fed2c1dd8f187471dc4566117565dd34451aa4401fc2b271aa9de60df3aecb.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

26fed2c1dd8f187471dc4566117565dd34451aa4401fc2b271aa9de60df3aecb.execmd.exe

description	pid	process	target process
PID 1336 wrote to memory of 2500	1336	26fed2c1dd8f187471dc4566117565dd34451aa4401fc2b271aa9de60df3aecb.exe	cmd.exe
PID 1336 wrote to memory of 2500	1336	26fed2c1dd8f187471dc4566117565dd34451aa4401fc2b271aa9de60df3aecb.exe	cmd.exe
PID 2500 wrote to memory of 2672	2500	cmd.exe	choice.exe
PID 2500 wrote to memory of 2672	2500	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\26fed2c1dd8f187471dc4566117565dd34451aa4401fc2b271aa9de60df3aecb.exe
"C:\Users\Admin\AppData\Local\Temp\26fed2c1dd8f187471dc4566117565dd34451aa4401fc2b271aa9de60df3aecb.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1336

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\26fed2c1dd8f187471dc4566117565dd34451aa4401fc2b271aa9de60df3aecb.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:2500

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:2672

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1336-120-0x0000000000D20000-0x0000000001AF8000-memory.dmp

Filesize
13.8MB

Download
memory/1336-123-0x0000000000D20000-0x0000000001AF8000-memory.dmp

Filesize
13.8MB

Download
memory/2500-121-0x0000000000000000-mapping.dmp

Download
memory/2672-122-0x0000000000000000-mapping.dmp

Download