ytstealer | 62593502aafb54977fe7d53e8f0312dfdc6336e6cba7172a771d37cf3f00c97e

Analysis

max time kernel
53s
max time network
181s
platform
windows10_x64
resource
win10-20220414-en
resource tags

arch:x64arch:x86image:win10-20220414-enlocale:en-usos:windows10-1703-x64system
submitted
12-08-2022 07:02

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General

Target

62593502AAFB54977FE7D53E8F0312DFDC6336E6CBA7172A771D37CF3F00C97E.exe
Size

4.0MB
MD5

75060018af84f824d7092df53e32302b
SHA1

ac2d9c265fce47fcc142ca6ebd71c97379f775de
SHA256

62593502aafb54977fe7d53e8f0312dfdc6336e6cba7172a771d37cf3f00c97e
SHA512

0a5b1066e75daa0fd2bb912911398cd6e829ea98aa831cba3d32bc82f0131f8f92a55fee8cffb5563769f1bc4742122ffc00805d48f6e0e9f53559fb5571a998

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

Processes:

resource	yara_rule
behavioral2/memory/3704-118-0x0000000000020000-0x0000000000DF9000-memory.dmp	family_ytstealer
behavioral2/memory/3704-121-0x0000000000020000-0x0000000000DF9000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/3704-118-0x0000000000020000-0x0000000000DF9000-memory.dmp	upx
behavioral2/memory/3704-121-0x0000000000020000-0x0000000000DF9000-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

Processes:

62593502AAFB54977FE7D53E8F0312DFDC6336E6CBA7172A771D37CF3F00C97E.exe

pid	process
3704	62593502AAFB54977FE7D53E8F0312DFDC6336E6CBA7172A771D37CF3F00C97E.exe
3704	62593502AAFB54977FE7D53E8F0312DFDC6336E6CBA7172A771D37CF3F00C97E.exe
3704	62593502AAFB54977FE7D53E8F0312DFDC6336E6CBA7172A771D37CF3F00C97E.exe
3704	62593502AAFB54977FE7D53E8F0312DFDC6336E6CBA7172A771D37CF3F00C97E.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

62593502AAFB54977FE7D53E8F0312DFDC6336E6CBA7172A771D37CF3F00C97E.execmd.exe

description	pid	process	target process
PID 3704 wrote to memory of 368	3704	62593502AAFB54977FE7D53E8F0312DFDC6336E6CBA7172A771D37CF3F00C97E.exe	cmd.exe
PID 3704 wrote to memory of 368	3704	62593502AAFB54977FE7D53E8F0312DFDC6336E6CBA7172A771D37CF3F00C97E.exe	cmd.exe
PID 368 wrote to memory of 1192	368	cmd.exe	choice.exe
PID 368 wrote to memory of 1192	368	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\62593502AAFB54977FE7D53E8F0312DFDC6336E6CBA7172A771D37CF3F00C97E.exe
"C:\Users\Admin\AppData\Local\Temp\62593502AAFB54977FE7D53E8F0312DFDC6336E6CBA7172A771D37CF3F00C97E.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3704

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\62593502AAFB54977FE7D53E8F0312DFDC6336E6CBA7172A771D37CF3F00C97E.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:368

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1192

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/368-119-0x0000000000000000-mapping.dmp

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memory/1192-120-0x0000000000000000-mapping.dmp

Download
memory/3704-118-0x0000000000020000-0x0000000000DF9000-memory.dmp

Filesize
13.8MB

Download
memory/3704-121-0x0000000000020000-0x0000000000DF9000-memory.dmp

Filesize
13.8MB

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