ytstealer | 3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c

Analysis

max time kernel
43s
max time network
47s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1596-54-0x00000000011F0000-0x0000000001FB9000-memory.dmp	family_ytstealer
behavioral1/memory/1596-57-0x00000000011F0000-0x0000000001FB9000-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/1596-54-0x00000000011F0000-0x0000000001FB9000-memory.dmp	upx
behavioral1/memory/1596-57-0x00000000011F0000-0x0000000001FB9000-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:

3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe

pid	process
1596	3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe
1596	3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.execmd.exe

description	pid	process	target process
PID 1596 wrote to memory of 1748	1596	3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe	cmd.exe
PID 1596 wrote to memory of 1748	1596	3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe	cmd.exe
PID 1596 wrote to memory of 1748	1596	3290b6fc407ca4828e73fe5914940de430cce9b3450398f995f276dd4d79b36c.exe	cmd.exe
PID 1748 wrote to memory of 1708	1748	cmd.exe	choice.exe
PID 1748 wrote to memory of 1708	1748	cmd.exe	choice.exe
PID 1748 wrote to memory of 1708	1748	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:1596

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:1748

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:1708

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/1596-54-0x00000000011F0000-0x0000000001FB9000-memory.dmp

Filesize
13.8MB

Download
memory/1596-57-0x00000000011F0000-0x0000000001FB9000-memory.dmp

Filesize
13.8MB

Download
memory/1708-56-0x0000000000000000-mapping.dmp

Download
memory/1748-55-0x0000000000000000-mapping.dmp

Download