ytstealer | d92069309254d809dd0928e5dbf2b31f52b9bfde5557bf5ca1548749a3ac6e10

Analysis

max time kernel
143s
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
31-07-2022 03:50

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General

Target

d92069309254d809dd0928e5dbf2b31f52b9bfde5557bf5ca1548749a3ac6e10.exe
Size

4.0MB
MD5

35bd0f45b2597660d7895609fbd4bf11
SHA1

6e47c6ddccb7fab8ced9a8753ef27f5aa4a9e177
SHA256

d92069309254d809dd0928e5dbf2b31f52b9bfde5557bf5ca1548749a3ac6e10
SHA512

4353b165fe803069e34f9679c5302ec46c91323414b7444cf132b63e6bbf1cb5246165cbec4f56f7848621198955957a2dd2d939908c5db74f16755138cc691b

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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4652-120-0x00000000012C0000-0x0000000002099000-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/4652-118-0x00000000012C0000-0x0000000002099000-memory.dmp	upx
behavioral2/memory/4652-120-0x00000000012C0000-0x0000000002099000-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:

d92069309254d809dd0928e5dbf2b31f52b9bfde5557bf5ca1548749a3ac6e10.exe

pid	process
4652	d92069309254d809dd0928e5dbf2b31f52b9bfde5557bf5ca1548749a3ac6e10.exe
4652	d92069309254d809dd0928e5dbf2b31f52b9bfde5557bf5ca1548749a3ac6e10.exe
4652	d92069309254d809dd0928e5dbf2b31f52b9bfde5557bf5ca1548749a3ac6e10.exe
4652	d92069309254d809dd0928e5dbf2b31f52b9bfde5557bf5ca1548749a3ac6e10.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

d92069309254d809dd0928e5dbf2b31f52b9bfde5557bf5ca1548749a3ac6e10.execmd.exe

description	pid	process	target process
PID 4652 wrote to memory of 4508	4652	d92069309254d809dd0928e5dbf2b31f52b9bfde5557bf5ca1548749a3ac6e10.exe	cmd.exe
PID 4652 wrote to memory of 4508	4652	d92069309254d809dd0928e5dbf2b31f52b9bfde5557bf5ca1548749a3ac6e10.exe	cmd.exe
PID 4508 wrote to memory of 4796	4508	cmd.exe	choice.exe
PID 4508 wrote to memory of 4796	4508	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\d92069309254d809dd0928e5dbf2b31f52b9bfde5557bf5ca1548749a3ac6e10.exe
"C:\Users\Admin\AppData\Local\Temp\d92069309254d809dd0928e5dbf2b31f52b9bfde5557bf5ca1548749a3ac6e10.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4652
- 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\d92069309254d809dd0928e5dbf2b31f52b9bfde5557bf5ca1548749a3ac6e10.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4508
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4796

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

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Downloads

memory/4508-119-0x0000000000000000-mapping.dmp

Download
memory/4652-118-0x00000000012C0000-0x0000000002099000-memory.dmp

Filesize
13.8MB

Download
memory/4652-120-0x00000000012C0000-0x0000000002099000-memory.dmp

Filesize
13.8MB

Download
memory/4796-121-0x0000000000000000-mapping.dmp

Download