ytstealer | 3c6876a6a24bbfda488c1beade7093b3a756ae7417557c66c4a63774ee7c36c4

Analysis

max time kernel
50s
max time network
174s
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 06:59

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General

Target

3C6876A6A24BBFDA488C1BEADE7093B3A756AE7417557C66C4A63774EE7C36C4.exe
Size

4.0MB
MD5

f00167a3289aa84a614d7792111c7c29
SHA1

735340796be409068e27e025eddb3478f9e5bbfe
SHA256

3c6876a6a24bbfda488c1beade7093b3a756ae7417557c66c4a63774ee7c36c4
SHA512

45e04ceafc684f383f1fc8a7e653f68a0a82c22adab02e75bd2e927e20db25973113dcbd8041801c49abb49ce24659e3571da053ccd306f8b3b56fc6d3d83f2d

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/1008-117-0x0000000000120000-0x0000000000EF8000-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/1008-114-0x0000000000120000-0x0000000000EF8000-memory.dmp	upx
behavioral2/memory/1008-117-0x0000000000120000-0x0000000000EF8000-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:

3C6876A6A24BBFDA488C1BEADE7093B3A756AE7417557C66C4A63774EE7C36C4.exe

pid	process
1008	3C6876A6A24BBFDA488C1BEADE7093B3A756AE7417557C66C4A63774EE7C36C4.exe
1008	3C6876A6A24BBFDA488C1BEADE7093B3A756AE7417557C66C4A63774EE7C36C4.exe
1008	3C6876A6A24BBFDA488C1BEADE7093B3A756AE7417557C66C4A63774EE7C36C4.exe
1008	3C6876A6A24BBFDA488C1BEADE7093B3A756AE7417557C66C4A63774EE7C36C4.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

3C6876A6A24BBFDA488C1BEADE7093B3A756AE7417557C66C4A63774EE7C36C4.execmd.exe

description	pid	process	target process
PID 1008 wrote to memory of 2672	1008	3C6876A6A24BBFDA488C1BEADE7093B3A756AE7417557C66C4A63774EE7C36C4.exe	cmd.exe
PID 1008 wrote to memory of 2672	1008	3C6876A6A24BBFDA488C1BEADE7093B3A756AE7417557C66C4A63774EE7C36C4.exe	cmd.exe
PID 2672 wrote to memory of 2232	2672	cmd.exe	choice.exe
PID 2672 wrote to memory of 2232	2672	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\3C6876A6A24BBFDA488C1BEADE7093B3A756AE7417557C66C4A63774EE7C36C4.exe
"C:\Users\Admin\AppData\Local\Temp\3C6876A6A24BBFDA488C1BEADE7093B3A756AE7417557C66C4A63774EE7C36C4.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1008

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\3C6876A6A24BBFDA488C1BEADE7093B3A756AE7417557C66C4A63774EE7C36C4.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:2672

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:2232

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/1008-114-0x0000000000120000-0x0000000000EF8000-memory.dmp

Filesize
13.8MB

Download
memory/1008-117-0x0000000000120000-0x0000000000EF8000-memory.dmp

Filesize
13.8MB

Download
memory/2232-116-0x0000000000000000-mapping.dmp

Download
memory/2672-115-0x0000000000000000-mapping.dmp

Download