ytstealer | 9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae

Analysis

max time kernel
144s
max time network
201s
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, 02:11

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General

Target
9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.exe
Size 4.0MB
Sample220830-cme3eabde5
SHA256 9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae
MD5 df2f938804243b3b2daece0460283185
SHA1 c893f0243cf833dc4250234b4dd720ca782ff38e
SHA512 27c412f137ce057523a584383a274e2c0f85aa409284ffa4ccf5e10be4d93b4a6834dcb574209a7497a8d0b5322f0a48ae53aa573c7f1caa45fd352a0c0c0cf8
SSDEEP 98304:CmCKE9PtGQyko8YWDmLUrC8NmY62Mtf6lFCnfMv5y6BHAkvJWAf:TDhkoyDmAr6ZAlFSf6ZvJH
MD5 SHA1 SHA512 SSDEEP

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

resource	yara_rule
behavioral2/memory/4324-118-0x0000000000070000-0x0000000000E49000-memory.dmp	family_ytstealer
behavioral2/memory/4324-121-0x0000000000070000-0x0000000000E49000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4324-118-0x0000000000070000-0x0000000000E49000-memory.dmp	upx
behavioral2/memory/4324-121-0x0000000000070000-0x0000000000E49000-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

pid	Process
4324	9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.exe
4324	9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.exe
4324	9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.exe
4324	9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4324 wrote to memory of 4292	4324	9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.exe	67
PID 4324 wrote to memory of 4292	4324	9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.exe	67
PID 4292 wrote to memory of 2596	4292	cmd.exe	69
PID 4292 wrote to memory of 2596	4292	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.exe
"C:\Users\Admin\AppData\Local\Temp\9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4324
- 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\9799c5284151ae3a2f5bd35ae1312c5af1fe72f444dea624b4339dc8a543b3ae.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4292
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:2596

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/4324-118-0x0000000000070000-0x0000000000E49000-memory.dmp

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memory/4324-121-0x0000000000070000-0x0000000000E49000-memory.dmp

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