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

Filesize
13.8MB

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

Filesize
13.8MB

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

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

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