ytstealer | 354a3d151a80f12cee757f65a3cf2fa2d2da3ed939120678bceaaaffde0a3be1

Analysis

max time kernel
53s
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 01:36

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General

Target

354a3d151a80f12cee757f65a3cf2fa2d2da3ed939120678bceaaaffde0a3be1.exe
Size

4.0MB
MD5

b4d21646a429f6263e99418253dd999f
SHA1

76ed392cc7e3062b81ee4e83ec6f6aeefc53130d
SHA256

354a3d151a80f12cee757f65a3cf2fa2d2da3ed939120678bceaaaffde0a3be1
SHA512

46031d423020bfb6fcfd0639026f084828fde977a0cc8c8eb3a0ae257f5a42b76f245868ba03e88ea93bfcbacb406bcaef2d4172583e939302e8af34b0965d4e
SSDEEP

98304:qYvqjbLI662PhKQze8YVsfosyZ63JvRpm2ehdSOidce/H:Hv0U6vPIQPYVsfgohRpmj5idcc

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/2692-119-0x0000000000F70000-0x0000000001D49000-memory.dmp	family_ytstealer
behavioral2/memory/2692-122-0x0000000000F70000-0x0000000001D49000-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/2692-119-0x0000000000F70000-0x0000000001D49000-memory.dmp	upx
behavioral2/memory/2692-122-0x0000000000F70000-0x0000000001D49000-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:

354a3d151a80f12cee757f65a3cf2fa2d2da3ed939120678bceaaaffde0a3be1.exe

pid	process
2692	354a3d151a80f12cee757f65a3cf2fa2d2da3ed939120678bceaaaffde0a3be1.exe
2692	354a3d151a80f12cee757f65a3cf2fa2d2da3ed939120678bceaaaffde0a3be1.exe
2692	354a3d151a80f12cee757f65a3cf2fa2d2da3ed939120678bceaaaffde0a3be1.exe
2692	354a3d151a80f12cee757f65a3cf2fa2d2da3ed939120678bceaaaffde0a3be1.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

354a3d151a80f12cee757f65a3cf2fa2d2da3ed939120678bceaaaffde0a3be1.execmd.exe

description	pid	process	target process
PID 2692 wrote to memory of 3792	2692	354a3d151a80f12cee757f65a3cf2fa2d2da3ed939120678bceaaaffde0a3be1.exe	cmd.exe
PID 2692 wrote to memory of 3792	2692	354a3d151a80f12cee757f65a3cf2fa2d2da3ed939120678bceaaaffde0a3be1.exe	cmd.exe
PID 3792 wrote to memory of 2136	3792	cmd.exe	choice.exe
PID 3792 wrote to memory of 2136	3792	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\354a3d151a80f12cee757f65a3cf2fa2d2da3ed939120678bceaaaffde0a3be1.exe
"C:\Users\Admin\AppData\Local\Temp\354a3d151a80f12cee757f65a3cf2fa2d2da3ed939120678bceaaaffde0a3be1.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2692

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\354a3d151a80f12cee757f65a3cf2fa2d2da3ed939120678bceaaaffde0a3be1.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:3792

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:2136

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

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Downloads

memory/2136-121-0x0000000000000000-mapping.dmp

Download
memory/2692-119-0x0000000000F70000-0x0000000001D49000-memory.dmp

Filesize
13.8MB

Download
memory/2692-122-0x0000000000F70000-0x0000000001D49000-memory.dmp

Filesize
13.8MB

Download
memory/3792-120-0x0000000000000000-mapping.dmp

Download