ytstealer | 16594a149f94a457a6632229907fa0cb563ca721bf56269589b5b30b5e533049

Analysis

max time kernel
43s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
15-09-2022 03:22

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General

Target

16594a149f94a457a6632229907fa0cb563ca721bf56269589b5b30b5e533049.exe
Size

4.0MB
MD5

dce15bbfb07770396657559967376512
SHA1

dc304a1c63438d68d5119f4d32686755cbfd9dd5
SHA256

16594a149f94a457a6632229907fa0cb563ca721bf56269589b5b30b5e533049
SHA512

506bd0ffbdc45dd42715d1f3db137a519cd84ad92e586e97c4d2df42d76724f6812eb411a04fcd5c88a846b679444184f772288c2f5d140b070f5d8345e3cc01
SSDEEP

98304:7glwHcj3DzCFvF5fHJONWhf65jgvyNeApnW:7gwHcjTeFf/4Wh8NNW

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/1884-54-0x00000000001D0000-0x0000000000FA9000-memory.dmp	family_ytstealer
behavioral1/memory/1884-57-0x00000000001D0000-0x0000000000FA9000-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/1884-54-0x00000000001D0000-0x0000000000FA9000-memory.dmp	upx
behavioral1/memory/1884-57-0x00000000001D0000-0x0000000000FA9000-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 2 IoCs

Processes:

16594a149f94a457a6632229907fa0cb563ca721bf56269589b5b30b5e533049.exe

pid	process
1884	16594a149f94a457a6632229907fa0cb563ca721bf56269589b5b30b5e533049.exe
1884	16594a149f94a457a6632229907fa0cb563ca721bf56269589b5b30b5e533049.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

16594a149f94a457a6632229907fa0cb563ca721bf56269589b5b30b5e533049.execmd.exe

description	pid	process	target process
PID 1884 wrote to memory of 1076	1884	16594a149f94a457a6632229907fa0cb563ca721bf56269589b5b30b5e533049.exe	cmd.exe
PID 1884 wrote to memory of 1076	1884	16594a149f94a457a6632229907fa0cb563ca721bf56269589b5b30b5e533049.exe	cmd.exe
PID 1884 wrote to memory of 1076	1884	16594a149f94a457a6632229907fa0cb563ca721bf56269589b5b30b5e533049.exe	cmd.exe
PID 1076 wrote to memory of 1432	1076	cmd.exe	choice.exe
PID 1076 wrote to memory of 1432	1076	cmd.exe	choice.exe
PID 1076 wrote to memory of 1432	1076	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\16594a149f94a457a6632229907fa0cb563ca721bf56269589b5b30b5e533049.exe
"C:\Users\Admin\AppData\Local\Temp\16594a149f94a457a6632229907fa0cb563ca721bf56269589b5b30b5e533049.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1884
- 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\16594a149f94a457a6632229907fa0cb563ca721bf56269589b5b30b5e533049.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1076
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:1432

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/1076-55-0x0000000000000000-mapping.dmp

Download
memory/1432-56-0x0000000000000000-mapping.dmp

Download
memory/1884-54-0x00000000001D0000-0x0000000000FA9000-memory.dmp

Filesize
13.8MB

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memory/1884-57-0x00000000001D0000-0x0000000000FA9000-memory.dmp

Filesize
13.8MB

Download