ytstealer | c85a77ac7d13be538b715ba063b3ea8801829db5a9956087b917079dba6e5e12

Analysis

max time kernel
164s
max time network
178s
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 07:10

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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 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/424-120-0x0000000000060000-0x0000000000E38000-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/424-117-0x0000000000060000-0x0000000000E38000-memory.dmp	upx
behavioral2/memory/424-120-0x0000000000060000-0x0000000000E38000-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:

C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe

pid	process
424	C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe
424	C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe
424	C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe
424	C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.execmd.exe

description	pid	process	target process
PID 424 wrote to memory of 3476	424	C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe	cmd.exe
PID 424 wrote to memory of 3476	424	C85A77AC7D13BE538B715BA063B3EA8801829DB5A9956087B917079DBA6E5E12.exe	cmd.exe
PID 3476 wrote to memory of 3392	3476	cmd.exe	choice.exe
PID 3476 wrote to memory of 3392	3476	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:424

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:3476

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
1⤵
PID:3392

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/424-117-0x0000000000060000-0x0000000000E38000-memory.dmp

Filesize
13.8MB

Download
memory/424-120-0x0000000000060000-0x0000000000E38000-memory.dmp

Filesize
13.8MB

Download
memory/3392-119-0x0000000000000000-mapping.dmp

Download
memory/3476-118-0x0000000000000000-mapping.dmp

Download