ytstealer | 51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b

Analysis

max time kernel
144s
max time network
148s
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 01:47

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General

Target

51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b.exe
Size

4.0MB
MD5

67d33bde0b55c5894611f6afa3d4f858
SHA1

28161d3b9beefb983b20cae8617b33796e2b984e
SHA256

51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b
SHA512

16f025ae442137f007dc30b1ae4d75cac2f26dea2d2bfbb96113ced1cbde079104dec11d99bc208ad9a8943f5b1dc28a30aae6899b07a7233d023f6c3b5c4996
SSDEEP

98304:3Rr8OpkVJOgtpnCUIMK1DOJlwTTGuKqfZ+H4FQFDdrJ9FX:hofVJOgtRJIMGD+uN24QFDd

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/4660-116-0x00000000013E0000-0x00000000021B9000-memory.dmp	family_ytstealer
behavioral2/memory/4660-118-0x00000000013E0000-0x00000000021B9000-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/4660-116-0x00000000013E0000-0x00000000021B9000-memory.dmp	upx
behavioral2/memory/4660-118-0x00000000013E0000-0x00000000021B9000-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:

51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b.exe

pid	process
4660	51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b.exe
4660	51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b.exe
4660	51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b.exe
4660	51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b.execmd.exe

description	pid	process	target process
PID 4660 wrote to memory of 2036	4660	51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b.exe	cmd.exe
PID 4660 wrote to memory of 2036	4660	51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b.exe	cmd.exe
PID 2036 wrote to memory of 5064	2036	cmd.exe	choice.exe
PID 2036 wrote to memory of 5064	2036	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b.exe
"C:\Users\Admin\AppData\Local\Temp\51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4660

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\51a7a812de5da10e17419c51af06c5dc9b24e4ce4bc7625ebdc8972c5f81df6b.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:2036

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:5064

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2036-117-0x0000000000000000-mapping.dmp

Download
memory/4660-116-0x00000000013E0000-0x00000000021B9000-memory.dmp

Filesize
13.8MB

Download
memory/4660-118-0x00000000013E0000-0x00000000021B9000-memory.dmp

Filesize
13.8MB

Download
memory/5064-119-0x0000000000000000-mapping.dmp

Download