ytstealer | 441bb32ddef212ac32975524bc93c9bb5e3b23143004e674dc0558ac70a5d54d

Analysis

max time kernel
55s
max time network
186s
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, 01:42

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General

Target
441bb32ddef212ac32975524bc93c9bb5e3b23143004e674dc0558ac70a5d54d.exe
Size 4.0MB
Sample220830-b4rxvsbad3
SHA256 441bb32ddef212ac32975524bc93c9bb5e3b23143004e674dc0558ac70a5d54d
MD5 1a1570a00378299097295c2ad925e8a4
SHA1 ee849923d0d9bb5ba69e3874236eeb7139e93278
SHA512 cd2ab0ea903a908ebf1c1e912e1fdf516eba930a5dce9e0ad5ee363d34503b63645d8a9316922315fd34aab0ac60eb896c641e19b1025512972dfe5f8df314f5
SSDEEP 98304:p0A1PuLXjofu/vcq9iCgCf47u8/dOn0NhUKE1xGMBV2:p0AxwuuXDTfEu8/trw1xG
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/1004-118-0x0000000000090000-0x0000000000E68000-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/1004-115-0x0000000000090000-0x0000000000E68000-memory.dmp	upx
behavioral2/memory/1004-118-0x0000000000090000-0x0000000000E68000-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
1004	441bb32ddef212ac32975524bc93c9bb5e3b23143004e674dc0558ac70a5d54d.exe
1004	441bb32ddef212ac32975524bc93c9bb5e3b23143004e674dc0558ac70a5d54d.exe
1004	441bb32ddef212ac32975524bc93c9bb5e3b23143004e674dc0558ac70a5d54d.exe
1004	441bb32ddef212ac32975524bc93c9bb5e3b23143004e674dc0558ac70a5d54d.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1004 wrote to memory of 4180	1004	441bb32ddef212ac32975524bc93c9bb5e3b23143004e674dc0558ac70a5d54d.exe	67
PID 1004 wrote to memory of 4180	1004	441bb32ddef212ac32975524bc93c9bb5e3b23143004e674dc0558ac70a5d54d.exe	67
PID 4180 wrote to memory of 396	4180	cmd.exe	69
PID 4180 wrote to memory of 396	4180	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\441bb32ddef212ac32975524bc93c9bb5e3b23143004e674dc0558ac70a5d54d.exe
"C:\Users\Admin\AppData\Local\Temp\441bb32ddef212ac32975524bc93c9bb5e3b23143004e674dc0558ac70a5d54d.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1004
- 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\441bb32ddef212ac32975524bc93c9bb5e3b23143004e674dc0558ac70a5d54d.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4180
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:396

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/1004-115-0x0000000000090000-0x0000000000E68000-memory.dmp

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memory/1004-118-0x0000000000090000-0x0000000000E68000-memory.dmp

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