ytstealer | 54ab7ebc82f14ad65fc83533d98709fb209ece783b63c53d8f95518936424b4c

Analysis

max time kernel
76s
max time network
71s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
09-09-2022 17:37

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General

Target

5392915961.exe
Size

4.0MB
MD5

a7aa0bd3162bcef17b768bc35f460090
SHA1

287f75be4f9cdac70efe7130023a68475de4091b
SHA256

54ab7ebc82f14ad65fc83533d98709fb209ece783b63c53d8f95518936424b4c
SHA512

ac73fc39dffea633639b07647cc9e62ecd85644f5eb3d981283b1d1334b7c7b4c9789b58de7c1a0705a2eb076ec733b99f03d3aa30769ad473f926de56381f1f
SSDEEP

98304:iQFrmQGZtNpE8+QarKW9WaMUOsC0vlRoStFtNjo3x24toZfDIBxyF:jFaQGZ/pRMKtF3sPni3x/iZ6w

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
behavioral1/memory/1432-136-0x0000000000D50000-0x0000000001B64000-memory.dmp	family_ytstealer
behavioral1/memory/1432-141-0x0000000000D50000-0x0000000001B64000-memory.dmp	family_ytstealer

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1432-135-0x0000000000D50000-0x0000000001B64000-memory.dmp	upx
behavioral1/memory/1432-136-0x0000000000D50000-0x0000000001B64000-memory.dmp	upx
behavioral1/memory/1432-141-0x0000000000D50000-0x0000000001B64000-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

pid	Process
2476	powershell.exe
2476	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2476	powershell.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1432 wrote to memory of 2476	1432	5392915961.exe	92
PID 1432 wrote to memory of 2476	1432	5392915961.exe	92

C:\Users\Admin\AppData\Local\Temp\5392915961.exe
"C:\Users\Admin\AppData\Local\Temp\5392915961.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1432
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell "" "Get-WmiObject Win32_PortConnector"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2476

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/1432-135-0x0000000000D50000-0x0000000001B64000-memory.dmp

Filesize
14.1MB

Download
memory/1432-136-0x0000000000D50000-0x0000000001B64000-memory.dmp

Filesize
14.1MB

Download
memory/1432-141-0x0000000000D50000-0x0000000001B64000-memory.dmp

Filesize
14.1MB

Download
memory/2476-138-0x0000014D361C0000-0x0000014D361E2000-memory.dmp

Filesize
136KB

Download
memory/2476-139-0x00007FFCED5C0000-0x00007FFCEE081000-memory.dmp

Filesize
10.8MB

Download
memory/2476-140-0x00007FFCED5C0000-0x00007FFCEE081000-memory.dmp

Filesize
10.8MB

Download