ytstealer | 64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387

Analysis

max time kernel
44s
max time network
183s
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 07:02

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General

Target

64A5241C65DAADA63DB299DC872CA3E327CF08ABD2D8FFEB82C1F3636BFFC387.exe
Size

4.0MB
MD5

11b952bd0d9358fc739412c3b59fec4c
SHA1

fc200d4f6487d7a3dc36b0556e6da777f483bdf5
SHA256

64a5241c65daada63db299dc872ca3e327cf08abd2d8ffeb82c1f3636bffc387
SHA512

780fce88f28357d0fe083bc346f6c39dc8b3ff32b38783c2d21886184f124032700e5d9ae8614fca74478ae94c87c6fe7008b7df7dfd07603cd7c64e5bd75bcb

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/3048-120-0x0000000000AA0000-0x0000000001869000-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/3048-117-0x0000000000AA0000-0x0000000001869000-memory.dmp	upx
behavioral2/memory/3048-120-0x0000000000AA0000-0x0000000001869000-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:

64A5241C65DAADA63DB299DC872CA3E327CF08ABD2D8FFEB82C1F3636BFFC387.exe

pid	process
3048	64A5241C65DAADA63DB299DC872CA3E327CF08ABD2D8FFEB82C1F3636BFFC387.exe
3048	64A5241C65DAADA63DB299DC872CA3E327CF08ABD2D8FFEB82C1F3636BFFC387.exe
3048	64A5241C65DAADA63DB299DC872CA3E327CF08ABD2D8FFEB82C1F3636BFFC387.exe
3048	64A5241C65DAADA63DB299DC872CA3E327CF08ABD2D8FFEB82C1F3636BFFC387.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

64A5241C65DAADA63DB299DC872CA3E327CF08ABD2D8FFEB82C1F3636BFFC387.execmd.exe

description	pid	process	target process
PID 3048 wrote to memory of 3312	3048	64A5241C65DAADA63DB299DC872CA3E327CF08ABD2D8FFEB82C1F3636BFFC387.exe	cmd.exe
PID 3048 wrote to memory of 3312	3048	64A5241C65DAADA63DB299DC872CA3E327CF08ABD2D8FFEB82C1F3636BFFC387.exe	cmd.exe
PID 3312 wrote to memory of 2200	3312	cmd.exe	choice.exe
PID 3312 wrote to memory of 2200	3312	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\64A5241C65DAADA63DB299DC872CA3E327CF08ABD2D8FFEB82C1F3636BFFC387.exe
"C:\Users\Admin\AppData\Local\Temp\64A5241C65DAADA63DB299DC872CA3E327CF08ABD2D8FFEB82C1F3636BFFC387.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3048

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\64A5241C65DAADA63DB299DC872CA3E327CF08ABD2D8FFEB82C1F3636BFFC387.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:3312

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:2200

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/2200-119-0x0000000000000000-mapping.dmp

Download
memory/3048-117-0x0000000000AA0000-0x0000000001869000-memory.dmp

Filesize
13.8MB

Download
memory/3048-120-0x0000000000AA0000-0x0000000001869000-memory.dmp

Filesize
13.8MB

Download
memory/3312-118-0x0000000000000000-mapping.dmp

Download