ytstealer | 1659eeb159c06e2761484246798274d8f23bcd85d7ba540e758c17d8bb9fb2d6

Analysis

max time kernel
44s
max time network
49s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30-08-2022 01:19

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General

Target

1659eeb159c06e2761484246798274d8f23bcd85d7ba540e758c17d8bb9fb2d6.exe
Size

4.0MB
MD5

e04b50e6fce81b98b68e30ee7e9a9824
SHA1

14f9087b29c8c95911f9de372e3593644c4cb3ad
SHA256

1659eeb159c06e2761484246798274d8f23bcd85d7ba540e758c17d8bb9fb2d6
SHA512

b57754f02239b4a8d29f241530ab4b9d3716b0f72d784df65f24785163e92a6e97e028db82c8f8f09a2d08c0302a6473232d637cc63a0068ae606df314f8830d
SSDEEP

49152:mJ7UieaIxXXggKAmPZ3EgSRYnQlNFEioYLznwZoqaHFYIUbZI7E6feGVWr09e9L:mB7IxHggKnEBW7io4iiWIUFX96MQeh

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
behavioral1/memory/1980-54-0x0000000000E30000-0x0000000001BF9000-memory.dmp	family_ytstealer
behavioral1/memory/1980-57-0x0000000000E30000-0x0000000001BF9000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1980-54-0x0000000000E30000-0x0000000001BF9000-memory.dmp	upx
behavioral1/memory/1980-57-0x0000000000E30000-0x0000000001BF9000-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 2 IoCs

Processes:

1659eeb159c06e2761484246798274d8f23bcd85d7ba540e758c17d8bb9fb2d6.exe

pid	process
1980	1659eeb159c06e2761484246798274d8f23bcd85d7ba540e758c17d8bb9fb2d6.exe
1980	1659eeb159c06e2761484246798274d8f23bcd85d7ba540e758c17d8bb9fb2d6.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

1659eeb159c06e2761484246798274d8f23bcd85d7ba540e758c17d8bb9fb2d6.execmd.exe

description	pid	process	target process
PID 1980 wrote to memory of 836	1980	1659eeb159c06e2761484246798274d8f23bcd85d7ba540e758c17d8bb9fb2d6.exe	cmd.exe
PID 1980 wrote to memory of 836	1980	1659eeb159c06e2761484246798274d8f23bcd85d7ba540e758c17d8bb9fb2d6.exe	cmd.exe
PID 1980 wrote to memory of 836	1980	1659eeb159c06e2761484246798274d8f23bcd85d7ba540e758c17d8bb9fb2d6.exe	cmd.exe
PID 836 wrote to memory of 2036	836	cmd.exe	choice.exe
PID 836 wrote to memory of 2036	836	cmd.exe	choice.exe
PID 836 wrote to memory of 2036	836	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\1659eeb159c06e2761484246798274d8f23bcd85d7ba540e758c17d8bb9fb2d6.exe
"C:\Users\Admin\AppData\Local\Temp\1659eeb159c06e2761484246798274d8f23bcd85d7ba540e758c17d8bb9fb2d6.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1980

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\1659eeb159c06e2761484246798274d8f23bcd85d7ba540e758c17d8bb9fb2d6.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:836

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:2036

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/836-55-0x0000000000000000-mapping.dmp

Download
memory/1980-54-0x0000000000E30000-0x0000000001BF9000-memory.dmp

Filesize
13.8MB

Download
memory/1980-57-0x0000000000E30000-0x0000000001BF9000-memory.dmp

Filesize
13.8MB

Download
memory/2036-56-0x0000000000000000-mapping.dmp

Download