ytstealer | a7a0af99f5b4ed92f74abdd2b8faffd270a821dce3ab8ec164d6d17dd46d2be0

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
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
behavioral1/memory/752-54-0x0000000000CD0000-0x0000000001A98000-memory.dmp	family_ytstealer
behavioral1/memory/752-57-0x0000000000CD0000-0x0000000001A98000-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/752-54-0x0000000000CD0000-0x0000000001A98000-memory.dmp	upx
behavioral1/memory/752-57-0x0000000000CD0000-0x0000000001A98000-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:

A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe

pid	process
752	A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe
752	A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.execmd.exe

description	pid	process	target process
PID 752 wrote to memory of 1124	752	A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe	cmd.exe
PID 752 wrote to memory of 1124	752	A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe	cmd.exe
PID 752 wrote to memory of 1124	752	A7A0AF99F5B4ED92F74ABDD2B8FAFFD270A821DCE3AB8EC164D6D17DD46D2BE0.exe	cmd.exe
PID 1124 wrote to memory of 1000	1124	cmd.exe	choice.exe
PID 1124 wrote to memory of 1000	1124	cmd.exe	choice.exe
PID 1124 wrote to memory of 1000	1124	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:752

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:1124

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1000

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/752-54-0x0000000000CD0000-0x0000000001A98000-memory.dmp

Filesize
13.8MB

Download
memory/752-57-0x0000000000CD0000-0x0000000001A98000-memory.dmp

Filesize
13.8MB

Download
memory/1000-56-0x0000000000000000-mapping.dmp

Download
memory/1124-55-0x0000000000000000-mapping.dmp

Download