ytstealer | 719a9a17c53a7eff99714ab010582f6fabbb87fa322148fa6ba35dd10a8bfb2a

Analysis

max time kernel
144s
max time network
186s
platform
windows10_x64
resource
win10-20220414-en
resource tags

arch:x64arch:x86image:win10-20220414-enlocale:en-usos:windows10-1703-x64system
submitted
12-08-2022 07:04

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General

Target

719A9A17C53A7EFF99714AB010582F6FABBB87FA322148FA6BA35DD10A8BFB2A.exe
Size

4.0MB
MD5

ceb82ee9c3f7d44a6ea4d9d5f13eeafb
SHA1

21cfb9421f8b6c28bf6c6c0f4795eb69fe8671c0
SHA256

719a9a17c53a7eff99714ab010582f6fabbb87fa322148fa6ba35dd10a8bfb2a
SHA512

bf0a6a855140e46ca3b9e063c045935bea7f759c041a0f10631cc17c5544b30312657c9ac5c51a3368f8d56105b8dbceb6789599629ea47d6d5fcc48ef03e71c

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/1892-118-0x0000000000CE0000-0x0000000001AA8000-memory.dmp	family_ytstealer
behavioral2/memory/1892-121-0x0000000000CE0000-0x0000000001AA8000-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/1892-118-0x0000000000CE0000-0x0000000001AA8000-memory.dmp	upx
behavioral2/memory/1892-121-0x0000000000CE0000-0x0000000001AA8000-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:

719A9A17C53A7EFF99714AB010582F6FABBB87FA322148FA6BA35DD10A8BFB2A.exe

pid	process
1892	719A9A17C53A7EFF99714AB010582F6FABBB87FA322148FA6BA35DD10A8BFB2A.exe
1892	719A9A17C53A7EFF99714AB010582F6FABBB87FA322148FA6BA35DD10A8BFB2A.exe
1892	719A9A17C53A7EFF99714AB010582F6FABBB87FA322148FA6BA35DD10A8BFB2A.exe
1892	719A9A17C53A7EFF99714AB010582F6FABBB87FA322148FA6BA35DD10A8BFB2A.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

719A9A17C53A7EFF99714AB010582F6FABBB87FA322148FA6BA35DD10A8BFB2A.execmd.exe

description	pid	process	target process
PID 1892 wrote to memory of 4000	1892	719A9A17C53A7EFF99714AB010582F6FABBB87FA322148FA6BA35DD10A8BFB2A.exe	cmd.exe
PID 1892 wrote to memory of 4000	1892	719A9A17C53A7EFF99714AB010582F6FABBB87FA322148FA6BA35DD10A8BFB2A.exe	cmd.exe
PID 4000 wrote to memory of 756	4000	cmd.exe	choice.exe
PID 4000 wrote to memory of 756	4000	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\719A9A17C53A7EFF99714AB010582F6FABBB87FA322148FA6BA35DD10A8BFB2A.exe
"C:\Users\Admin\AppData\Local\Temp\719A9A17C53A7EFF99714AB010582F6FABBB87FA322148FA6BA35DD10A8BFB2A.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1892

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\719A9A17C53A7EFF99714AB010582F6FABBB87FA322148FA6BA35DD10A8BFB2A.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4000

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:756

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/756-120-0x0000000000000000-mapping.dmp

Download
memory/1892-118-0x0000000000CE0000-0x0000000001AA8000-memory.dmp

Filesize
13.8MB

Download
memory/1892-121-0x0000000000CE0000-0x0000000001AA8000-memory.dmp

Filesize
13.8MB

Download
memory/4000-119-0x0000000000000000-mapping.dmp

Download