ytstealer | b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f

Analysis

max time kernel
142s
max time network
147s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
04/09/2022, 04:49

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe
Size 4.0MB
Sample220904-ffysqaacfj
SHA256 b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f
MD5 16ff8074ba61c2a46cdb6c72c2c6057d
SHA1 5e7c56085209a3190a2a831fffefdeef192a6b25
SHA512 674c22cee088d96d42d43aa7cbd7988c01318a211185be6767e43c50dbdf5e7f0dd9e65be123127744015e17c34415feef727a08f237e350ccd04068ce28ddce
SSDEEP 98304:6frhftGYPM0XYf+XVmWMscdmJ6DVAlyW7:6fZ3PMdf88dscd3Vhe
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 2 IoCs

resource	yara_rule
behavioral2/memory/4976-116-0x0000000000BD0000-0x00000000019A9000-memory.dmp	family_ytstealer
behavioral2/memory/4976-119-0x0000000000BD0000-0x00000000019A9000-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/4976-116-0x0000000000BD0000-0x00000000019A9000-memory.dmp	upx
behavioral2/memory/4976-119-0x0000000000BD0000-0x00000000019A9000-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
4976	b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe
4976	b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe
4976	b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe
4976	b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 5044	4976	b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe	68
PID 4976 wrote to memory of 5044	4976	b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe	68
PID 5044 wrote to memory of 4996	5044	cmd.exe	70
PID 5044 wrote to memory of 4996	5044	cmd.exe	70

C:\Users\Admin\AppData\Local\Temp\b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe
"C:\Users\Admin\AppData\Local\Temp\b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4976
- 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\b22daf5bfcbdcd0032f07a012e34ee6eb102203963b2f488dd1cf9d14b60550f.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5044
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4996

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

Loading Replay Monitor...

Downloads

memory/4976-116-0x0000000000BD0000-0x00000000019A9000-memory.dmp

Download

memory/4976-119-0x0000000000BD0000-0x00000000019A9000-memory.dmp

Download