ytstealer | 45a0ab555680bd5d74472ec1fa7c56092fb2eee5123e35f74b44f807d087e1ef

Analysis

max time kernel
56s
max time network
183s
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, 01:42

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General

Target
45a0ab555680bd5d74472ec1fa7c56092fb2eee5123e35f74b44f807d087e1ef.exe
Size 4.0MB
Sample220830-b4y16saaaj
SHA256 45a0ab555680bd5d74472ec1fa7c56092fb2eee5123e35f74b44f807d087e1ef
MD5 98d436062464b3b15630ba3e0935d919
SHA1 6ba6f6f0ece9507e32cc1a0620253f173f98aa73
SHA512 1e8cae5ce8f4833c9517749e799f81677208bc98fdcb8890333a4aafd10ebc0580db7b82a2436c23eab06111e13258889051aec7183d4462f179308ef26a0999
SSDEEP 98304:piPfQEDr7CBGZ/j+yhNMWJu4OzzUtuIZqA72M9T2hYN8s:piPfVn/dfMWnOzz2ZFx9ChA8s
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/2676-115-0x0000000000DC0000-0x0000000001B98000-memory.dmp	family_ytstealer
behavioral2/memory/2676-118-0x0000000000DC0000-0x0000000001B98000-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/2676-115-0x0000000000DC0000-0x0000000001B98000-memory.dmp	upx
behavioral2/memory/2676-118-0x0000000000DC0000-0x0000000001B98000-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
2676	45a0ab555680bd5d74472ec1fa7c56092fb2eee5123e35f74b44f807d087e1ef.exe
2676	45a0ab555680bd5d74472ec1fa7c56092fb2eee5123e35f74b44f807d087e1ef.exe
2676	45a0ab555680bd5d74472ec1fa7c56092fb2eee5123e35f74b44f807d087e1ef.exe
2676	45a0ab555680bd5d74472ec1fa7c56092fb2eee5123e35f74b44f807d087e1ef.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 5016	2676	45a0ab555680bd5d74472ec1fa7c56092fb2eee5123e35f74b44f807d087e1ef.exe	67
PID 2676 wrote to memory of 5016	2676	45a0ab555680bd5d74472ec1fa7c56092fb2eee5123e35f74b44f807d087e1ef.exe	67
PID 5016 wrote to memory of 2112	5016	cmd.exe	69
PID 5016 wrote to memory of 2112	5016	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\45a0ab555680bd5d74472ec1fa7c56092fb2eee5123e35f74b44f807d087e1ef.exe
"C:\Users\Admin\AppData\Local\Temp\45a0ab555680bd5d74472ec1fa7c56092fb2eee5123e35f74b44f807d087e1ef.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2676
- 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\45a0ab555680bd5d74472ec1fa7c56092fb2eee5123e35f74b44f807d087e1ef.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5016
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:2112

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/2676-115-0x0000000000DC0000-0x0000000001B98000-memory.dmp

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memory/2676-118-0x0000000000DC0000-0x0000000001B98000-memory.dmp

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