ytstealer | 6a379a2c6dde2a4e27b3239967bc2ccaf9d41788aa904ee68d2a2de16380a624

Analysis

max time kernel
48s
max time network
177s
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, 01:55

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General

Target
6a379a2c6dde2a4e27b3239967bc2ccaf9d41788aa904ee68d2a2de16380a624.exe
Size 4.0MB
Sample220830-ccj9daabdr
SHA256 6a379a2c6dde2a4e27b3239967bc2ccaf9d41788aa904ee68d2a2de16380a624
MD5 3bcf5e8abe826566ad59a780abce7b87
SHA1 dac990aa2d242cddb7027a240c35ea4d45b575b9
SHA512 ba01fc56f06f3e02ae47b664c1d9abdf9f04872b912f7c914242fca57e34fdcb4313220892291a704df85adcf22390a71cfc275b5dd912176ddf015e6ae86052
SSDEEP 98304:PpAHzXuBALK7CtTYUI2bw+h8OjgmCp8WZgrIEtInWoPLY:MzXuBAu8Df8OjTCpFgs2Inz
MD5 SHA1 SHA512 SSDEEP

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

resource	yara_rule
behavioral2/memory/1680-122-0x0000000000130000-0x0000000000F08000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1680-120-0x0000000000130000-0x0000000000F08000-memory.dmp	upx
behavioral2/memory/1680-122-0x0000000000130000-0x0000000000F08000-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

pid	Process
1680	6a379a2c6dde2a4e27b3239967bc2ccaf9d41788aa904ee68d2a2de16380a624.exe
1680	6a379a2c6dde2a4e27b3239967bc2ccaf9d41788aa904ee68d2a2de16380a624.exe
1680	6a379a2c6dde2a4e27b3239967bc2ccaf9d41788aa904ee68d2a2de16380a624.exe
1680	6a379a2c6dde2a4e27b3239967bc2ccaf9d41788aa904ee68d2a2de16380a624.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 4508	1680	6a379a2c6dde2a4e27b3239967bc2ccaf9d41788aa904ee68d2a2de16380a624.exe	67
PID 1680 wrote to memory of 4508	1680	6a379a2c6dde2a4e27b3239967bc2ccaf9d41788aa904ee68d2a2de16380a624.exe	67
PID 4508 wrote to memory of 4588	4508	cmd.exe	69
PID 4508 wrote to memory of 4588	4508	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\6a379a2c6dde2a4e27b3239967bc2ccaf9d41788aa904ee68d2a2de16380a624.exe
"C:\Users\Admin\AppData\Local\Temp\6a379a2c6dde2a4e27b3239967bc2ccaf9d41788aa904ee68d2a2de16380a624.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1680
- 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\6a379a2c6dde2a4e27b3239967bc2ccaf9d41788aa904ee68d2a2de16380a624.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4508
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4588

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/1680-120-0x0000000000130000-0x0000000000F08000-memory.dmp

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memory/1680-122-0x0000000000130000-0x0000000000F08000-memory.dmp

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