ytstealer | e31e725909b115601efea63fdecd2ca3c283657cb752fb7c9c46b19ffb23bed9

Analysis

max time kernel
41s
max time network
45s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
20/07/2022, 08:18

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General

Target

E31E725909B115601EFEA63FDECD2CA3C283657CB752FB7C9C46B19FFB23BED9.exe
Size

4.0MB
MD5

8ce9e5d7d30ab124b69bc3ff0c1d9d4c
SHA1

65aa51dc471515d16e4350fc0fbd8b302f468ec0
SHA256

e31e725909b115601efea63fdecd2ca3c283657cb752fb7c9c46b19ffb23bed9
SHA512

724757de3f0f4228c373cbff27f6375998a988ea7d2f5bbec89504f5e438a3e9ee621a2cb229122d8e2934b4d0910a5317d7e09d890a3aeb0724c54655910f27

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/2024-54-0x0000000000AF0000-0x00000000018B8000-memory.dmp	family_ytstealer
behavioral1/memory/2024-57-0x0000000000AF0000-0x00000000018B8000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2024-54-0x0000000000AF0000-0x00000000018B8000-memory.dmp	upx
behavioral1/memory/2024-57-0x0000000000AF0000-0x00000000018B8000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1888	cmd.exe

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
2024	E31E725909B115601EFEA63FDECD2CA3C283657CB752FB7C9C46B19FFB23BED9.exe
2024	E31E725909B115601EFEA63FDECD2CA3C283657CB752FB7C9C46B19FFB23BED9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2024 wrote to memory of 1888	2024	E31E725909B115601EFEA63FDECD2CA3C283657CB752FB7C9C46B19FFB23BED9.exe	29
PID 2024 wrote to memory of 1888	2024	E31E725909B115601EFEA63FDECD2CA3C283657CB752FB7C9C46B19FFB23BED9.exe	29
PID 2024 wrote to memory of 1888	2024	E31E725909B115601EFEA63FDECD2CA3C283657CB752FB7C9C46B19FFB23BED9.exe	29
PID 1888 wrote to memory of 1148	1888	cmd.exe	31
PID 1888 wrote to memory of 1148	1888	cmd.exe	31
PID 1888 wrote to memory of 1148	1888	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\E31E725909B115601EFEA63FDECD2CA3C283657CB752FB7C9C46B19FFB23BED9.exe
"C:\Users\Admin\AppData\Local\Temp\E31E725909B115601EFEA63FDECD2CA3C283657CB752FB7C9C46B19FFB23BED9.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2024
- 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\E31E725909B115601EFEA63FDECD2CA3C283657CB752FB7C9C46B19FFB23BED9.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1888
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:1148

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/2024-54-0x0000000000AF0000-0x00000000018B8000-memory.dmp

Filesize
13.8MB

Download
memory/2024-57-0x0000000000AF0000-0x00000000018B8000-memory.dmp

Filesize
13.8MB

Download