ytstealer | 77adaf5dea0facf1e0d4f04fdadb88821345f33f9247bae401f2ca1787e5f646

Analysis

max time kernel
53s
max time network
170s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
15/09/2022, 03:31

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General

Target
77adaf5dea0facf1e0d4f04fdadb88821345f33f9247bae401f2ca1787e5f646.exe
Size 4.0MB
Sample220915-d3dpysbhb9
SHA256 77adaf5dea0facf1e0d4f04fdadb88821345f33f9247bae401f2ca1787e5f646
MD5 68328241710d5f8912e08ca834c2bd63
SHA1 8e6d159aed1cf0041cae561d16f581d0b2b6d4ac
SHA512 6dcbca3dab4caad434d052dadbf760c8c173ffbf99e5b4e3e9b44a99072a30ea77a73a97109d4e965e6f4be620251dec9aee11137f632c508220c2293f836a57
SSDEEP 98304:a7/fLzPXhLsMuBktRTo+3L/PvU/0L5LLjF5dS+r7kv:anzPxLsMuBkRTD/HzLhFrS+cv
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 2 IoCs

resource	yara_rule
behavioral2/memory/2764-116-0x0000000000DC0000-0x0000000001B89000-memory.dmp	family_ytstealer
behavioral2/memory/2764-118-0x0000000000DC0000-0x0000000001B89000-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/2764-116-0x0000000000DC0000-0x0000000001B89000-memory.dmp	upx
behavioral2/memory/2764-118-0x0000000000DC0000-0x0000000001B89000-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
2764	77adaf5dea0facf1e0d4f04fdadb88821345f33f9247bae401f2ca1787e5f646.exe
2764	77adaf5dea0facf1e0d4f04fdadb88821345f33f9247bae401f2ca1787e5f646.exe
2764	77adaf5dea0facf1e0d4f04fdadb88821345f33f9247bae401f2ca1787e5f646.exe
2764	77adaf5dea0facf1e0d4f04fdadb88821345f33f9247bae401f2ca1787e5f646.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2764 wrote to memory of 4764	2764	77adaf5dea0facf1e0d4f04fdadb88821345f33f9247bae401f2ca1787e5f646.exe	67
PID 2764 wrote to memory of 4764	2764	77adaf5dea0facf1e0d4f04fdadb88821345f33f9247bae401f2ca1787e5f646.exe	67
PID 4764 wrote to memory of 4776	4764	cmd.exe	69
PID 4764 wrote to memory of 4776	4764	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\77adaf5dea0facf1e0d4f04fdadb88821345f33f9247bae401f2ca1787e5f646.exe
"C:\Users\Admin\AppData\Local\Temp\77adaf5dea0facf1e0d4f04fdadb88821345f33f9247bae401f2ca1787e5f646.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2764
- 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\77adaf5dea0facf1e0d4f04fdadb88821345f33f9247bae401f2ca1787e5f646.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4764
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4776

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/2764-116-0x0000000000DC0000-0x0000000001B89000-memory.dmp

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memory/2764-118-0x0000000000DC0000-0x0000000001B89000-memory.dmp

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