ytstealer | d5298736db894bc5d7e738968c2268c6d198d0b3a8c041eed08c992e8b83b5e2

Analysis

max time kernel
51s
max time network
179s
platform
windows10-1703_x64
resource
win10-20220718-en
resource tags

arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
submitted
12-08-2022 07:13

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General

Target

D5298736DB894BC5D7E738968C2268C6D198D0B3A8C041EED08C992E8B83B5E2.exe
Size

4.0MB
MD5

8dab082eb8ef87f7afd0c474a89d63d2
SHA1

15f907543badc28772cea3b322a9145258d2eddf
SHA256

d5298736db894bc5d7e738968c2268c6d198d0b3a8c041eed08c992e8b83b5e2
SHA512

ddbd0066c181f3b82fefac12d5e9764cf995c7dea7ea18a159926b1bdfb3f9e285e8e0fefac19951a4790c30b7bfdf2ec3e5deb55a519047688aee51d3f94445

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/416-114-0x00000000011B0000-0x0000000001F89000-memory.dmp	family_ytstealer
behavioral2/memory/416-116-0x00000000011B0000-0x0000000001F89000-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/416-114-0x00000000011B0000-0x0000000001F89000-memory.dmp	upx
behavioral2/memory/416-116-0x00000000011B0000-0x0000000001F89000-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:

D5298736DB894BC5D7E738968C2268C6D198D0B3A8C041EED08C992E8B83B5E2.exe

pid	process
416	D5298736DB894BC5D7E738968C2268C6D198D0B3A8C041EED08C992E8B83B5E2.exe
416	D5298736DB894BC5D7E738968C2268C6D198D0B3A8C041EED08C992E8B83B5E2.exe
416	D5298736DB894BC5D7E738968C2268C6D198D0B3A8C041EED08C992E8B83B5E2.exe
416	D5298736DB894BC5D7E738968C2268C6D198D0B3A8C041EED08C992E8B83B5E2.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

D5298736DB894BC5D7E738968C2268C6D198D0B3A8C041EED08C992E8B83B5E2.execmd.exe

description	pid	process	target process
PID 416 wrote to memory of 1512	416	D5298736DB894BC5D7E738968C2268C6D198D0B3A8C041EED08C992E8B83B5E2.exe	cmd.exe
PID 416 wrote to memory of 1512	416	D5298736DB894BC5D7E738968C2268C6D198D0B3A8C041EED08C992E8B83B5E2.exe	cmd.exe
PID 1512 wrote to memory of 3528	1512	cmd.exe	choice.exe
PID 1512 wrote to memory of 3528	1512	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\D5298736DB894BC5D7E738968C2268C6D198D0B3A8C041EED08C992E8B83B5E2.exe
"C:\Users\Admin\AppData\Local\Temp\D5298736DB894BC5D7E738968C2268C6D198D0B3A8C041EED08C992E8B83B5E2.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:416

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\D5298736DB894BC5D7E738968C2268C6D198D0B3A8C041EED08C992E8B83B5E2.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:1512

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:3528

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/416-114-0x00000000011B0000-0x0000000001F89000-memory.dmp

Filesize
13.8MB

Download
memory/416-116-0x00000000011B0000-0x0000000001F89000-memory.dmp

Filesize
13.8MB

Download
memory/1512-115-0x0000000000000000-mapping.dmp

Download
memory/3528-117-0x0000000000000000-mapping.dmp

Download