ytstealer | 09d9f55cefa3dff5ef3ff5ec3ca7500db225fd6e56bfe278ba6907c16b6c79cb

Analysis

max time kernel
53s
max time network
181s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
30-08-2022 01:14

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General

Target

09d9f55cefa3dff5ef3ff5ec3ca7500db225fd6e56bfe278ba6907c16b6c79cb.exe
Size

4.0MB
MD5

7bfa990e3d835cd08e29168d6184cd6c
SHA1

a37e6a762885a86bcd5d56ed5aca2dab021fde60
SHA256

09d9f55cefa3dff5ef3ff5ec3ca7500db225fd6e56bfe278ba6907c16b6c79cb
SHA512

206bdcc26c95ca0407c3c922db45ccccda9630126e45b36f1a9ae5a3dece793f18e7fd1279c0f4f097791cfdace74ac75aef937381b229c050ee3841834772a0
SSDEEP

98304:kTJ3/XmpmhakBhiX9IKW201c2g7D6deUTCYJA/dxev:kVvXfh4yd2B+

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/2728-115-0x0000000000980000-0x0000000001759000-memory.dmp	family_ytstealer
behavioral2/memory/2728-117-0x0000000000980000-0x0000000001759000-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/2728-115-0x0000000000980000-0x0000000001759000-memory.dmp	upx
behavioral2/memory/2728-117-0x0000000000980000-0x0000000001759000-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:

09d9f55cefa3dff5ef3ff5ec3ca7500db225fd6e56bfe278ba6907c16b6c79cb.exe

pid	process
2728	09d9f55cefa3dff5ef3ff5ec3ca7500db225fd6e56bfe278ba6907c16b6c79cb.exe
2728	09d9f55cefa3dff5ef3ff5ec3ca7500db225fd6e56bfe278ba6907c16b6c79cb.exe
2728	09d9f55cefa3dff5ef3ff5ec3ca7500db225fd6e56bfe278ba6907c16b6c79cb.exe
2728	09d9f55cefa3dff5ef3ff5ec3ca7500db225fd6e56bfe278ba6907c16b6c79cb.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

09d9f55cefa3dff5ef3ff5ec3ca7500db225fd6e56bfe278ba6907c16b6c79cb.execmd.exe

description	pid	process	target process
PID 2728 wrote to memory of 4444	2728	09d9f55cefa3dff5ef3ff5ec3ca7500db225fd6e56bfe278ba6907c16b6c79cb.exe	cmd.exe
PID 2728 wrote to memory of 4444	2728	09d9f55cefa3dff5ef3ff5ec3ca7500db225fd6e56bfe278ba6907c16b6c79cb.exe	cmd.exe
PID 4444 wrote to memory of 352	4444	cmd.exe	choice.exe
PID 4444 wrote to memory of 352	4444	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\09d9f55cefa3dff5ef3ff5ec3ca7500db225fd6e56bfe278ba6907c16b6c79cb.exe
"C:\Users\Admin\AppData\Local\Temp\09d9f55cefa3dff5ef3ff5ec3ca7500db225fd6e56bfe278ba6907c16b6c79cb.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2728

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\09d9f55cefa3dff5ef3ff5ec3ca7500db225fd6e56bfe278ba6907c16b6c79cb.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4444

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:352

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/352-118-0x0000000000000000-mapping.dmp

Download
memory/2728-115-0x0000000000980000-0x0000000001759000-memory.dmp

Filesize
13.8MB

Download
memory/2728-117-0x0000000000980000-0x0000000001759000-memory.dmp

Filesize
13.8MB

Download
memory/4444-116-0x0000000000000000-mapping.dmp

Download