ytstealer | 4ddb26f36c7d56f8ca1699f7078e9479e6fb2d056fa3eb8c9d0298a1a19f9a0f

Analysis

max time kernel
51s
max time network
176s
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, 01:45

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General

Target
4ddb26f36c7d56f8ca1699f7078e9479e6fb2d056fa3eb8c9d0298a1a19f9a0f.exe
Size 4.0MB
Sample220830-b6d4saaack
SHA256 4ddb26f36c7d56f8ca1699f7078e9479e6fb2d056fa3eb8c9d0298a1a19f9a0f
MD5 ea1d0c47ec3a857f9622b84134daf52e
SHA1 6e4b3d0b3d75c259c45630053d4a3f2a6bef7b52
SHA512 71c925f661cce20c27e4c9db9a7fa3f07024616af81eaaab1750e4ae3a645f43cf0bdb9adaa18f01aa9736dd5694e7c5ad03e1f6eef140a8d828d278c6b61145
SSDEEP 98304:iI4A7Axh4f/9F5fc6VRjQTzUGLD+EVz7qXxgXsS:Nh7Ax2feKRjUzf5puBgc
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/4248-119-0x0000000000F00000-0x0000000001CC8000-memory.dmp	family_ytstealer
behavioral2/memory/4248-122-0x0000000000F00000-0x0000000001CC8000-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/4248-119-0x0000000000F00000-0x0000000001CC8000-memory.dmp	upx
behavioral2/memory/4248-122-0x0000000000F00000-0x0000000001CC8000-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
4248	4ddb26f36c7d56f8ca1699f7078e9479e6fb2d056fa3eb8c9d0298a1a19f9a0f.exe
4248	4ddb26f36c7d56f8ca1699f7078e9479e6fb2d056fa3eb8c9d0298a1a19f9a0f.exe
4248	4ddb26f36c7d56f8ca1699f7078e9479e6fb2d056fa3eb8c9d0298a1a19f9a0f.exe
4248	4ddb26f36c7d56f8ca1699f7078e9479e6fb2d056fa3eb8c9d0298a1a19f9a0f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 4248 wrote to memory of 5008	4248	4ddb26f36c7d56f8ca1699f7078e9479e6fb2d056fa3eb8c9d0298a1a19f9a0f.exe	67
PID 4248 wrote to memory of 5008	4248	4ddb26f36c7d56f8ca1699f7078e9479e6fb2d056fa3eb8c9d0298a1a19f9a0f.exe	67
PID 5008 wrote to memory of 4600	5008	cmd.exe	69
PID 5008 wrote to memory of 4600	5008	cmd.exe	69

C:\Users\Admin\AppData\Local\Temp\4ddb26f36c7d56f8ca1699f7078e9479e6fb2d056fa3eb8c9d0298a1a19f9a0f.exe
"C:\Users\Admin\AppData\Local\Temp\4ddb26f36c7d56f8ca1699f7078e9479e6fb2d056fa3eb8c9d0298a1a19f9a0f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4248
- 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\4ddb26f36c7d56f8ca1699f7078e9479e6fb2d056fa3eb8c9d0298a1a19f9a0f.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5008
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4600

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/4248-119-0x0000000000F00000-0x0000000001CC8000-memory.dmp

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memory/4248-122-0x0000000000F00000-0x0000000001CC8000-memory.dmp

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