ytstealer | 4bcb1a4dcb978ce7307748278a3afadc1414b9d4f922b7e7d495d3b7026a7097

Analysis

max time kernel
53s
max time network
183s
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, 01:44

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General

Target
4bcb1a4dcb978ce7307748278a3afadc1414b9d4f922b7e7d495d3b7026a7097.exe
Size 4.0MB
Sample220830-b5wmfabae6
SHA256 4bcb1a4dcb978ce7307748278a3afadc1414b9d4f922b7e7d495d3b7026a7097
MD5 ce3bedcfe76cce58d4bcd71a0e477858
SHA1 c2c710d704548048a9010673437aa5f49ae69013
SHA512 cd9fa8b3678fd618f412705b07ada41ac8e1a72393e5214b12679b808a2f8e30b869bb16b7d8973f0708d9b10a68c51a7a27c1dbd117b163644b489908a7e90a
SSDEEP 98304:aC+I31cuwmhMATP/3PypwvMF4saKW1tBMNaIMW7hfoN0ZrYSUmF79H:aulEeTnqWvMF3aT1tBMsIMTN0Z3UmF
MD5 SHA1 SHA512 SSDEEP

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 1 IoCs

resource	yara_rule
behavioral2/memory/904-122-0x00000000012B0000-0x0000000002079000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/904-120-0x00000000012B0000-0x0000000002079000-memory.dmp	upx
behavioral2/memory/904-122-0x00000000012B0000-0x0000000002079000-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

pid	Process
904	4bcb1a4dcb978ce7307748278a3afadc1414b9d4f922b7e7d495d3b7026a7097.exe
904	4bcb1a4dcb978ce7307748278a3afadc1414b9d4f922b7e7d495d3b7026a7097.exe
904	4bcb1a4dcb978ce7307748278a3afadc1414b9d4f922b7e7d495d3b7026a7097.exe
904	4bcb1a4dcb978ce7307748278a3afadc1414b9d4f922b7e7d495d3b7026a7097.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 904 wrote to memory of 1780	904	4bcb1a4dcb978ce7307748278a3afadc1414b9d4f922b7e7d495d3b7026a7097.exe	67
PID 904 wrote to memory of 1780	904	4bcb1a4dcb978ce7307748278a3afadc1414b9d4f922b7e7d495d3b7026a7097.exe	67
PID 1780 wrote to memory of 2172	1780	cmd.exe	69
PID 1780 wrote to memory of 2172	1780	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\4bcb1a4dcb978ce7307748278a3afadc1414b9d4f922b7e7d495d3b7026a7097.exe
"C:\Users\Admin\AppData\Local\Temp\4bcb1a4dcb978ce7307748278a3afadc1414b9d4f922b7e7d495d3b7026a7097.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:904
- 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\4bcb1a4dcb978ce7307748278a3afadc1414b9d4f922b7e7d495d3b7026a7097.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1780
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:2172

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/904-120-0x00000000012B0000-0x0000000002079000-memory.dmp

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memory/904-122-0x00000000012B0000-0x0000000002079000-memory.dmp

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