ytstealer | 3595487037dcf807ce3a99232518787290b0a37e56eb63ee62901929b9974277

Analysis

max time kernel
152s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
31-08-2022 08:24

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General

Target

1187185482.exe
Size

4.0MB
MD5

a7bceb417fbb8c136261f3b195d6d7ee
SHA1

82f78abd9ffd6298e599e05826cc2ec237758a9c
SHA256

3595487037dcf807ce3a99232518787290b0a37e56eb63ee62901929b9974277
SHA512

a5ea37145dbd81bc117b527fba56c68d2b7ef4f5f0d1b965cb2525019794403402733a22bf533dbbf6efe58ca0afc9f433c27464dda42d576daa06b6f707a3e5
SSDEEP

98304:abHZ1MFWV8qtEJlzQ1fv7ltH2HhcPxthrWyKKbCg:gzM0VTt41Qhz2EvhrWyKKbR

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 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4960-132-0x0000000000090000-0x0000000000EA4000-memory.dmp	family_ytstealer
behavioral2/memory/4960-133-0x0000000000090000-0x0000000000EA4000-memory.dmp	family_ytstealer
behavioral2/memory/4960-137-0x0000000000090000-0x0000000000EA4000-memory.dmp	family_ytstealer

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/4960-132-0x0000000000090000-0x0000000000EA4000-memory.dmp	upx
behavioral2/memory/4960-133-0x0000000000090000-0x0000000000EA4000-memory.dmp	upx
behavioral2/memory/4960-137-0x0000000000090000-0x0000000000EA4000-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 2 IoCs

Processes:

powershell.exe

pid process

4448 powershell.exe
4448 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 4448 powershell.exe

pid	process
4448	powershell.exe
4448	powershell.exe

description	pid	process
Token: SeDebugPrivilege	4448	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

1187185482.exe

description	pid	process	target process
PID 4960 wrote to memory of 4448	4960	1187185482.exe	powershell.exe
PID 4960 wrote to memory of 4448	4960	1187185482.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\1187185482.exe
"C:\Users\Admin\AppData\Local\Temp\1187185482.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:4960
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell "" "Get-WmiObject Win32_PortConnector"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4448

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/4448-134-0x0000000000000000-mapping.dmp

Download
memory/4448-135-0x000001F7F1490000-0x000001F7F14B2000-memory.dmp

Filesize
136KB

Download
memory/4448-136-0x00007FF832F40000-0x00007FF833A01000-memory.dmp

Filesize
10.8MB

Download
memory/4448-138-0x00007FF832F40000-0x00007FF833A01000-memory.dmp

Filesize
10.8MB

Download
memory/4960-132-0x0000000000090000-0x0000000000EA4000-memory.dmp

Filesize
14.1MB

Download
memory/4960-133-0x0000000000090000-0x0000000000EA4000-memory.dmp

Filesize
14.1MB

Download
memory/4960-137-0x0000000000090000-0x0000000000EA4000-memory.dmp

Filesize
14.1MB

Download