ytstealer | c85a77ac7d13be538b715ba063b3ea8801829db5a9956087b917079dba6e5e12

Analysis

max time kernel
40s
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 07:10

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General

Target

C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe
Size

4.0MB
MD5

d39d2bd0ea4944a7ed19c0079f4ef121
SHA1

0360e4d8cd0f5af4a59dc120fffc9d2a9a6baf1e
SHA256

c85a77ac7d13be538b715ba063b3ea8801829db5a9956087b917079dba6e5e12
SHA512

a55746eee166053b603ea3a0aa95de2ff67217430319965ffcde44bf3bab4f96674ad81e47f801c00bc16e9d34f0569fca2ebba8580b2f294574cf7b28b256f2

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/1176-54-0x0000000000FC0000-0x0000000001D98000-memory.dmp	family_ytstealer
behavioral1/memory/1176-57-0x0000000000FC0000-0x0000000001D98000-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/1176-54-0x0000000000FC0000-0x0000000001D98000-memory.dmp	upx
behavioral1/memory/1176-57-0x0000000000FC0000-0x0000000001D98000-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:

C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe

pid	process
1176	C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe
1176	C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.execmd.exe

description	pid	process	target process
PID 1176 wrote to memory of 2024	1176	C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe	cmd.exe
PID 1176 wrote to memory of 2024	1176	C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe	cmd.exe
PID 1176 wrote to memory of 2024	1176	C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe	cmd.exe
PID 2024 wrote to memory of 1496	2024	cmd.exe	choice.exe
PID 2024 wrote to memory of 1496	2024	cmd.exe	choice.exe
PID 2024 wrote to memory of 1496	2024	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe
"C:\Users\Admin\AppData\Local\Temp\C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1176

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\C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:2024

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1496

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/1176-54-0x0000000000FC0000-0x0000000001D98000-memory.dmp

Filesize
13.8MB

Download
memory/1176-57-0x0000000000FC0000-0x0000000001D98000-memory.dmp

Filesize
13.8MB

Download
memory/1496-56-0x0000000000000000-mapping.dmp

Download
memory/2024-55-0x0000000000000000-mapping.dmp

Download