ytstealer | 3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c

Analysis

max time kernel
49s
max time network
180s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
30-08-2022 01:36

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General

Target

3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe
Size

4.0MB
MD5

e61da6b188205be24d051274eefde385
SHA1

7290650457a9018eb407e2f0383ee71aee0e36b5
SHA256

3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c
SHA512

da732c366bb7362abd3d19732ae66eb5179b571be097dcd870d8688d8a834a4544f1d718c144d6d5b85f9e8dda7f47a618117acbabe50057557064fd2a85c73d
SSDEEP

98304:edfu1ddsI9d4Y6Kd0SvFJGEwYY1lCjNgI3o+8qkqwFaJx:EfhIb4Yf3p/m0jNgI3iqagx

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/2084-123-0x0000000001200000-0x0000000001FC9000-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/2084-120-0x0000000001200000-0x0000000001FC9000-memory.dmp	upx
behavioral2/memory/2084-123-0x0000000001200000-0x0000000001FC9000-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:

3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe

pid	process
2084	3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe
2084	3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe
2084	3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe
2084	3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.execmd.exe

description	pid	process	target process
PID 2084 wrote to memory of 3716	2084	3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe	cmd.exe
PID 2084 wrote to memory of 3716	2084	3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe	cmd.exe
PID 3716 wrote to memory of 4744	3716	cmd.exe	choice.exe
PID 3716 wrote to memory of 4744	3716	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe
"C:\Users\Admin\AppData\Local\Temp\3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2084

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\3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:3716

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:4744

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/2084-120-0x0000000001200000-0x0000000001FC9000-memory.dmp

Filesize
13.8MB

Download
memory/2084-123-0x0000000001200000-0x0000000001FC9000-memory.dmp

Filesize
13.8MB

Download
memory/3716-121-0x0000000000000000-mapping.dmp

Download
memory/4744-122-0x0000000000000000-mapping.dmp

Download