ytstealer | a7a0af99f5b4ed92f74abdd2b8faffd270a821dce3ab8ec164d6d17dd46d2be0

Analysis

max time kernel
51s
max time network
179s
platform
windows10-1703_x64
resource
win10-20220718-en
resource tags

arch:x64arch:x86image:win10-20220718-enlocale:en-usos:windows10-1703-x64system
submitted
12-08-2022 07:07

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General

Target

A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe
Size

4.0MB
MD5

657879c2babd84a404ce7429cc867ce1
SHA1

0e22e3303cf80847335257647467149cafd84f72
SHA256

a7a0af99f5b4ed92f74abdd2b8faffd270a821dce3ab8ec164d6d17dd46d2be0
SHA512

e5bd207e533440a23dec2351cd24a4bcc52325cf9b101c15cec7f2d935450b740097640cdb0fc5191e10b40d4f6437a8b5e0e87361bc5c22eb19f4eae76fd8f0

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
behavioral2/memory/2428-117-0x00000000002B0000-0x0000000001078000-memory.dmp	family_ytstealer
behavioral2/memory/2428-120-0x00000000002B0000-0x0000000001078000-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/2428-117-0x00000000002B0000-0x0000000001078000-memory.dmp	upx
behavioral2/memory/2428-120-0x00000000002B0000-0x0000000001078000-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:

A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe

pid	process
2428	A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe
2428	A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe
2428	A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe
2428	A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.execmd.exe

description	pid	process	target process
PID 2428 wrote to memory of 4584	2428	A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe	cmd.exe
PID 2428 wrote to memory of 4584	2428	A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe	cmd.exe
PID 4584 wrote to memory of 4600	4584	cmd.exe	choice.exe
PID 4584 wrote to memory of 4600	4584	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe
"C:\Users\Admin\AppData\Local\Temp\A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2428

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\A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4584

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/2428-117-0x00000000002B0000-0x0000000001078000-memory.dmp

Filesize
13.8MB

Download
memory/2428-120-0x00000000002B0000-0x0000000001078000-memory.dmp

Filesize
13.8MB

Download
memory/4584-118-0x0000000000000000-mapping.dmp

Download
memory/4600-119-0x0000000000000000-mapping.dmp

Download