ytstealer | c62e85295ad4f1d9932efb194763e370a41ad47af692a9d589ce63fc77a15aa9

Analysis

max time kernel
244s
max time network
43s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
27-08-2022 04:26

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General

Target

Seno_v0.7b_Fox_windows_64.exe
Size

4.0MB
MD5

204fd35204892d919fa8ef6b09297fc9
SHA1

c41300c75c82739aef75815136ff9b2371f6abe2
SHA256

c62e85295ad4f1d9932efb194763e370a41ad47af692a9d589ce63fc77a15aa9
SHA512

8ebc360977ab3ceb6e64f9e59635c2c71bc06038c0ba02faa2b8c2b84fd4f2c4ff69526ef3cb70ab988381d27518ec71f2adde862e77b13ef80991a2c65e0520
SSDEEP

98304:5MLnkA3ZisrPtFY1NavgRaziqXBEHFRPedweBIBjLXTEe:goGbUNaIciTHz2dXsDE

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
behavioral1/memory/1672-54-0x0000000000960000-0x0000000001772000-memory.dmp	family_ytstealer
behavioral1/memory/1672-55-0x0000000000960000-0x0000000001772000-memory.dmp	family_ytstealer
behavioral1/memory/1672-63-0x0000000000960000-0x0000000001772000-memory.dmp	family_ytstealer

UPX packed file 3 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1672-54-0x0000000000960000-0x0000000001772000-memory.dmp	upx
behavioral1/memory/1672-55-0x0000000000960000-0x0000000001772000-memory.dmp	upx
behavioral1/memory/1672-63-0x0000000000960000-0x0000000001772000-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 1 IoCs

Processes:

powershell.exe

pid process

1084 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1084 powershell.exe

pid	process
1084	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1084	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

Seno_v0.7b_Fox_windows_64.exe

description	pid	process	target process
PID 1672 wrote to memory of 1084	1672	Seno_v0.7b_Fox_windows_64.exe	powershell.exe
PID 1672 wrote to memory of 1084	1672	Seno_v0.7b_Fox_windows_64.exe	powershell.exe
PID 1672 wrote to memory of 1084	1672	Seno_v0.7b_Fox_windows_64.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\Seno_v0.7b_Fox_windows_64.exe
"C:\Users\Admin\AppData\Local\Temp\Seno_v0.7b_Fox_windows_64.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1672

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell "" "Get-WmiObject Win32_PortConnector"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1084

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/1084-56-0x0000000000000000-mapping.dmp

Download
memory/1084-57-0x000007FEFBC01000-0x000007FEFBC03000-memory.dmp

Filesize
8KB

Download
memory/1084-58-0x000007FEF4260000-0x000007FEF4C83000-memory.dmp

Filesize
10.1MB

Download
memory/1084-60-0x00000000027F4000-0x00000000027F7000-memory.dmp

Filesize
12KB

Download
memory/1084-59-0x000007FEF3700000-0x000007FEF425D000-memory.dmp

Filesize
11.4MB

Download
memory/1084-61-0x00000000027F4000-0x00000000027F7000-memory.dmp

Filesize
12KB

Download
memory/1084-62-0x00000000027FB000-0x000000000281A000-memory.dmp

Filesize
124KB

Download
memory/1672-54-0x0000000000960000-0x0000000001772000-memory.dmp

Filesize
14.1MB

Download
memory/1672-55-0x0000000000960000-0x0000000001772000-memory.dmp

Filesize
14.1MB

Download
memory/1672-63-0x0000000000960000-0x0000000001772000-memory.dmp

Filesize
14.1MB

Download