ytstealer | 842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af

Analysis

max time kernel
54s
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 02:07

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General

Target

842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe
Size

4.0MB
MD5

1cd70426af9a82a96b94854a228a81c0
SHA1

6a381521fb566212a6e87dd3f218b71a9017effb
SHA256

842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af
SHA512

c4e4bbaf2b1126ecd5925548ca0638f35cb626ceccbbc455f3c78a88b5d3372a9cd11860e4ca0b2fe312eda5c3442ffc98bc32dae00cd8e179db17ead082b741
SSDEEP

98304:vKsjPKYlf+6Nwf/+juH/8uFC+PjJ1LarEoY5FNLB:vKsjPKqwf/d/6+LJ1zF

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/2728-115-0x0000000000820000-0x00000000015F9000-memory.dmp	family_ytstealer
behavioral2/memory/2728-118-0x0000000000820000-0x00000000015F9000-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/2728-115-0x0000000000820000-0x00000000015F9000-memory.dmp	upx
behavioral2/memory/2728-118-0x0000000000820000-0x00000000015F9000-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:

842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe

pid	process
2728	842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe
2728	842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe
2728	842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe
2728	842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.execmd.exe

description	pid	process	target process
PID 2728 wrote to memory of 4424	2728	842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe	cmd.exe
PID 2728 wrote to memory of 4424	2728	842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe	cmd.exe
PID 4424 wrote to memory of 3280	4424	cmd.exe	choice.exe
PID 4424 wrote to memory of 3280	4424	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe
"C:\Users\Admin\AppData\Local\Temp\842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2728

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\842d2cc4d04a5b9bd14eba10eb29476ec4709bb2a7ede0a5056d43a7c086e6af.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4424

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:3280

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/2728-115-0x0000000000820000-0x00000000015F9000-memory.dmp

Filesize
13.8MB

Download
memory/2728-118-0x0000000000820000-0x00000000015F9000-memory.dmp

Filesize
13.8MB

Download
memory/3280-117-0x0000000000000000-mapping.dmp

Download
memory/4424-116-0x0000000000000000-mapping.dmp

Download