ytstealer | 9cb41dfabb8a0179cc046f174c27e3106c14c4518eccec7b36a3533655559908

Analysis

max time kernel
149s
max time network
184s
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 02:11

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General

Target

9cb41dfabb8a0179cc046f174c27e3106c14c4518eccec7b36a3533655559908.exe
Size

4.0MB
MD5

9ea2e282fbec5301f574b7860156376b
SHA1

997da7e453500b7efe7f92e19b8686a282c42e83
SHA256

9cb41dfabb8a0179cc046f174c27e3106c14c4518eccec7b36a3533655559908
SHA512

a5dfb350e22bea6c4469364bcd4d88d09c748694c8b118cca167c5e45874ed47c70da30f470174e534370bc01732f3440ac92781ac8781325e1ef743c3211c17
SSDEEP

98304:F8+GiNFxYcJirA7zIZ317m5DZ8WiHLiJr7wqO+wXO6xApnig9t:5xJfE3tm5d8WiHLiJAPTXzApP

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/1652-120-0x0000000000300000-0x00000000010D9000-memory.dmp	family_ytstealer
behavioral2/memory/1652-123-0x0000000000300000-0x00000000010D9000-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/1652-120-0x0000000000300000-0x00000000010D9000-memory.dmp	upx
behavioral2/memory/1652-123-0x0000000000300000-0x00000000010D9000-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:

9cb41dfabb8a0179cc046f174c27e3106c14c4518eccec7b36a3533655559908.exe

pid	process
1652	9cb41dfabb8a0179cc046f174c27e3106c14c4518eccec7b36a3533655559908.exe
1652	9cb41dfabb8a0179cc046f174c27e3106c14c4518eccec7b36a3533655559908.exe
1652	9cb41dfabb8a0179cc046f174c27e3106c14c4518eccec7b36a3533655559908.exe
1652	9cb41dfabb8a0179cc046f174c27e3106c14c4518eccec7b36a3533655559908.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

9cb41dfabb8a0179cc046f174c27e3106c14c4518eccec7b36a3533655559908.execmd.exe

description	pid	process	target process
PID 1652 wrote to memory of 2676	1652	9cb41dfabb8a0179cc046f174c27e3106c14c4518eccec7b36a3533655559908.exe	cmd.exe
PID 1652 wrote to memory of 2676	1652	9cb41dfabb8a0179cc046f174c27e3106c14c4518eccec7b36a3533655559908.exe	cmd.exe
PID 2676 wrote to memory of 4368	2676	cmd.exe	choice.exe
PID 2676 wrote to memory of 4368	2676	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\9cb41dfabb8a0179cc046f174c27e3106c14c4518eccec7b36a3533655559908.exe
"C:\Users\Admin\AppData\Local\Temp\9cb41dfabb8a0179cc046f174c27e3106c14c4518eccec7b36a3533655559908.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1652

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\9cb41dfabb8a0179cc046f174c27e3106c14c4518eccec7b36a3533655559908.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:2676

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:4368

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/1652-120-0x0000000000300000-0x00000000010D9000-memory.dmp

Filesize
13.8MB

Download
memory/1652-123-0x0000000000300000-0x00000000010D9000-memory.dmp

Filesize
13.8MB

Download
memory/2676-121-0x0000000000000000-mapping.dmp

Download
memory/4368-122-0x0000000000000000-mapping.dmp

Download