ytstealer | 2a577ff2a830e161471a1685b4e23f8563caed96f1946fb6ceb769d399d99152

Analysis

max time kernel
52s
max time network
177s
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 03:25

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General

Target

2a577ff2a830e161471a1685b4e23f8563caed96f1946fb6ceb769d399d99152.exe
Size

4.0MB
MD5

3fdc547502020edab1c0ee584c394611
SHA1

d06e66ce11933d4b4c005100f563dd37c32b2b14
SHA256

2a577ff2a830e161471a1685b4e23f8563caed96f1946fb6ceb769d399d99152
SHA512

09edd1bdfd659c63639326ac0c12f90108586ae8c1f66ce4161bc6ef64da9374519eb41f6a3dd71f45bfd1cde162bd6c697c0ee8ce5510244c8899ade708f6d2
SSDEEP

98304:ip10obfLXReaaSgG5ulp43A0yXCSZC+yiyqeH1CneUKzO:ip1Jf4aaSgGODXCMC+dIUne

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

Processes:

resource	yara_rule
behavioral2/memory/2580-122-0x00000000012C0000-0x0000000002099000-memory.dmp	family_ytstealer

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/2580-120-0x00000000012C0000-0x0000000002099000-memory.dmp	upx
behavioral2/memory/2580-122-0x00000000012C0000-0x0000000002099000-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

Processes:

2a577ff2a830e161471a1685b4e23f8563caed96f1946fb6ceb769d399d99152.exe

pid	process
2580	2a577ff2a830e161471a1685b4e23f8563caed96f1946fb6ceb769d399d99152.exe
2580	2a577ff2a830e161471a1685b4e23f8563caed96f1946fb6ceb769d399d99152.exe
2580	2a577ff2a830e161471a1685b4e23f8563caed96f1946fb6ceb769d399d99152.exe
2580	2a577ff2a830e161471a1685b4e23f8563caed96f1946fb6ceb769d399d99152.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2a577ff2a830e161471a1685b4e23f8563caed96f1946fb6ceb769d399d99152.execmd.exe

description	pid	process	target process
PID 2580 wrote to memory of 1472	2580	2a577ff2a830e161471a1685b4e23f8563caed96f1946fb6ceb769d399d99152.exe	cmd.exe
PID 2580 wrote to memory of 1472	2580	2a577ff2a830e161471a1685b4e23f8563caed96f1946fb6ceb769d399d99152.exe	cmd.exe
PID 1472 wrote to memory of 4632	1472	cmd.exe	choice.exe
PID 1472 wrote to memory of 4632	1472	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\2a577ff2a830e161471a1685b4e23f8563caed96f1946fb6ceb769d399d99152.exe
"C:\Users\Admin\AppData\Local\Temp\2a577ff2a830e161471a1685b4e23f8563caed96f1946fb6ceb769d399d99152.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2580
- 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\2a577ff2a830e161471a1685b4e23f8563caed96f1946fb6ceb769d399d99152.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Windows\system32\choice.exe
    choice /C Y /N /D Y /T 0
    3⤵
    PID:4632

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/1472-121-0x0000000000000000-mapping.dmp

Download
memory/2580-120-0x00000000012C0000-0x0000000002099000-memory.dmp

Filesize
13.8MB

Download
memory/2580-122-0x00000000012C0000-0x0000000002099000-memory.dmp

Filesize
13.8MB

Download
memory/4632-123-0x0000000000000000-mapping.dmp

Download