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 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/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