ytstealer | d8ef7cd835e91b48c79e4399d3c0f62bff81f89b9214a21b389338589a88144a

Analysis

max time kernel
43s
max time network
46s
platform
windows7_x64
resource
win7-20220718-en
resource tags

arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
submitted
27-07-2022 06:36

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General

Target

D8EF7CD835E91B48C79E4399D3C0F62BFF81F89B9214A21B389338589A88144A.exe
Size

4.0MB
MD5

e0e07a35ff1497561b199c9e7545525b
SHA1

c34279d7d225ec347ae6c2393bd529825688b39d
SHA256

d8ef7cd835e91b48c79e4399d3c0f62bff81f89b9214a21b389338589a88144a
SHA512

51ece1be7136d7add05f4e069932153f2b472903375ca2827ab6e6cca64e68215d46f7ffea8db2c0d63efdac887192d0fd972ba096a387824e3f9bfff5c0a6b9

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
behavioral1/memory/1044-54-0x00000000003A0000-0x0000000001179000-memory.dmp	family_ytstealer
behavioral1/memory/1044-57-0x00000000003A0000-0x0000000001179000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral1/memory/1044-54-0x00000000003A0000-0x0000000001179000-memory.dmp	upx
behavioral1/memory/1044-57-0x00000000003A0000-0x0000000001179000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1716 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

pid	process
1716	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

D8EF7CD835E91B48C79E4399D3C0F62BFF81F89B9214A21B389338589A88144A.exe

pid	process
1044	D8EF7CD835E91B48C79E4399D3C0F62BFF81F89B9214A21B389338589A88144A.exe
1044	D8EF7CD835E91B48C79E4399D3C0F62BFF81F89B9214A21B389338589A88144A.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

D8EF7CD835E91B48C79E4399D3C0F62BFF81F89B9214A21B389338589A88144A.execmd.exe

description	pid	process	target process
PID 1044 wrote to memory of 1716	1044	D8EF7CD835E91B48C79E4399D3C0F62BFF81F89B9214A21B389338589A88144A.exe	cmd.exe
PID 1044 wrote to memory of 1716	1044	D8EF7CD835E91B48C79E4399D3C0F62BFF81F89B9214A21B389338589A88144A.exe	cmd.exe
PID 1044 wrote to memory of 1716	1044	D8EF7CD835E91B48C79E4399D3C0F62BFF81F89B9214A21B389338589A88144A.exe	cmd.exe
PID 1716 wrote to memory of 1136	1716	cmd.exe	choice.exe
PID 1716 wrote to memory of 1136	1716	cmd.exe	choice.exe
PID 1716 wrote to memory of 1136	1716	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\D8EF7CD835E91B48C79E4399D3C0F62BFF81F89B9214A21B389338589A88144A.exe
"C:\Users\Admin\AppData\Local\Temp\D8EF7CD835E91B48C79E4399D3C0F62BFF81F89B9214A21B389338589A88144A.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1044
- 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\D8EF7CD835E91B48C79E4399D3C0F62BFF81F89B9214A21B389338589A88144A.exe
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1716
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:1136

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/1044-54-0x00000000003A0000-0x0000000001179000-memory.dmp

Filesize
13.8MB

Download
memory/1044-57-0x00000000003A0000-0x0000000001179000-memory.dmp

Filesize
13.8MB

Download
memory/1136-56-0x0000000000000000-mapping.dmp

Download
memory/1716-55-0x0000000000000000-mapping.dmp

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