ytstealer | 64e7fd5ac3683bf3f6dd0e8af328bacde30f7b715a487de9cfb774082c54c6e1

Analysis

max time kernel
144s
max time network
186s
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 01:52

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General

Target

64e7fd5ac3683bf3f6dd0e8af328bacde30f7b715a487de9cfb774082c54c6e1.exe
Size

4.0MB
MD5

5ae7651ea4d4221046045d69d537984f
SHA1

64b4329e0bc794d8c331b2f96cba02bce814aaaf
SHA256

64e7fd5ac3683bf3f6dd0e8af328bacde30f7b715a487de9cfb774082c54c6e1
SHA512

ad672743a12c516966d15b9d9152f87a88eef1565c626100b0cdbefd3bdde551c67cc440e338cf1f7d4a6c291ba91ef733e62afb84dde6b14b48aa882ed54872
SSDEEP

98304:mOeGUVkiefAtxFrgD/wzmAFeRIGrj+yixxoU:mQbin3r6HRIuD6

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/2196-123-0x00000000013C0000-0x0000000002198000-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/2196-120-0x00000000013C0000-0x0000000002198000-memory.dmp	upx
behavioral2/memory/2196-123-0x00000000013C0000-0x0000000002198000-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:

64e7fd5ac3683bf3f6dd0e8af328bacde30f7b715a487de9cfb774082c54c6e1.exe

pid	process
2196	64e7fd5ac3683bf3f6dd0e8af328bacde30f7b715a487de9cfb774082c54c6e1.exe
2196	64e7fd5ac3683bf3f6dd0e8af328bacde30f7b715a487de9cfb774082c54c6e1.exe
2196	64e7fd5ac3683bf3f6dd0e8af328bacde30f7b715a487de9cfb774082c54c6e1.exe
2196	64e7fd5ac3683bf3f6dd0e8af328bacde30f7b715a487de9cfb774082c54c6e1.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

64e7fd5ac3683bf3f6dd0e8af328bacde30f7b715a487de9cfb774082c54c6e1.execmd.exe

description	pid	process	target process
PID 2196 wrote to memory of 4704	2196	64e7fd5ac3683bf3f6dd0e8af328bacde30f7b715a487de9cfb774082c54c6e1.exe	cmd.exe
PID 2196 wrote to memory of 4704	2196	64e7fd5ac3683bf3f6dd0e8af328bacde30f7b715a487de9cfb774082c54c6e1.exe	cmd.exe
PID 4704 wrote to memory of 4744	4704	cmd.exe	choice.exe
PID 4704 wrote to memory of 4744	4704	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\64e7fd5ac3683bf3f6dd0e8af328bacde30f7b715a487de9cfb774082c54c6e1.exe
"C:\Users\Admin\AppData\Local\Temp\64e7fd5ac3683bf3f6dd0e8af328bacde30f7b715a487de9cfb774082c54c6e1.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2196

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\64e7fd5ac3683bf3f6dd0e8af328bacde30f7b715a487de9cfb774082c54c6e1.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:4704

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

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

T1081

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/2196-120-0x00000000013C0000-0x0000000002198000-memory.dmp

Filesize
13.8MB

Download
memory/2196-123-0x00000000013C0000-0x0000000002198000-memory.dmp

Filesize
13.8MB

Download
memory/4704-121-0x0000000000000000-mapping.dmp

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

Download