ytstealer | 70d68416e3c45a4e97372123c59b43fcaf5556537c8a725827a93484d5569f5b

Analysis

max time kernel
37s
max time network
41s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
30/08/2022, 02:00

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General

Target

70d68416e3c45a4e97372123c59b43fcaf5556537c8a725827a93484d5569f5b.exe
Size

4.0MB
MD5

a3b91b215ed2a17209b8cb630d78ceca
SHA1

71c7246123ac052304af7050442bef4aa810d00b
SHA256

70d68416e3c45a4e97372123c59b43fcaf5556537c8a725827a93484d5569f5b
SHA512

f0c25f247dbad0df5637dae142def8b80747e30353fdc1df8205e3498b08cf6e0447a24b716ec37f7e78f87aeddd2815962ebf7e37fb28fc224bc1a3ccf46001
SSDEEP

98304:nteZ9uwGNWxnBjSgIjfNXmcszIiUlfSz3oTpN7CWmcmp8b5bW:teRjxnCbQHzBUZTpN22E8J

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
behavioral1/memory/748-56-0x00000000008E0000-0x00000000016B8000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/748-54-0x00000000008E0000-0x00000000016B8000-memory.dmp	upx
behavioral1/memory/748-56-0x00000000008E0000-0x00000000016B8000-memory.dmp	upx

Deletes itself 1 IoCs

pid	Process
1700	cmd.exe

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 2 IoCs

pid	Process
748	70d68416e3c45a4e97372123c59b43fcaf5556537c8a725827a93484d5569f5b.exe
748	70d68416e3c45a4e97372123c59b43fcaf5556537c8a725827a93484d5569f5b.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 748 wrote to memory of 1700	748	70d68416e3c45a4e97372123c59b43fcaf5556537c8a725827a93484d5569f5b.exe	28
PID 748 wrote to memory of 1700	748	70d68416e3c45a4e97372123c59b43fcaf5556537c8a725827a93484d5569f5b.exe	28
PID 748 wrote to memory of 1700	748	70d68416e3c45a4e97372123c59b43fcaf5556537c8a725827a93484d5569f5b.exe	28
PID 1700 wrote to memory of 524	1700	cmd.exe	30
PID 1700 wrote to memory of 524	1700	cmd.exe	30
PID 1700 wrote to memory of 524	1700	cmd.exe	30

C:\Users\Admin\AppData\Local\Temp\70d68416e3c45a4e97372123c59b43fcaf5556537c8a725827a93484d5569f5b.exe
"C:\Users\Admin\AppData\Local\Temp\70d68416e3c45a4e97372123c59b43fcaf5556537c8a725827a93484d5569f5b.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:748
- 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\70d68416e3c45a4e97372123c59b43fcaf5556537c8a725827a93484d5569f5b.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1700
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:524

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/748-54-0x00000000008E0000-0x00000000016B8000-memory.dmp

Filesize
13.8MB

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memory/748-56-0x00000000008E0000-0x00000000016B8000-memory.dmp

Filesize
13.8MB

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