ytstealer | 8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f

Analysis

max time kernel
54s
max time network
185s
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 02:05

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General

Target

8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe
Size

4.0MB
MD5

a2247e2d681b29acc6fa1dc68c2ab231
SHA1

cd2767a3438f6e48ace39fca0583801e13618229
SHA256

8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f
SHA512

ad1868aa8019aa2d358ed101e3a02d4a0a97a1c20edacd54216af081d7bd26506c4d8b05d424c9e5cb95508d9e07ba46d1562076b3e161131f14e832262c0d5e
SSDEEP

98304:ideiIhWjD/6XnGDT1DFjgfYOiQzsHIxh56QG:ceibn6ODFbOiQzsoxh5

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
behavioral2/memory/4672-115-0x0000000000160000-0x0000000000F39000-memory.dmp	family_ytstealer
behavioral2/memory/4672-117-0x0000000000160000-0x0000000000F39000-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/4672-115-0x0000000000160000-0x0000000000F39000-memory.dmp	upx
behavioral2/memory/4672-117-0x0000000000160000-0x0000000000F39000-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:

8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe

pid	process
4672	8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe
4672	8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe
4672	8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe
4672	8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.execmd.exe

description	pid	process	target process
PID 4672 wrote to memory of 2064	4672	8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe	cmd.exe
PID 4672 wrote to memory of 2064	4672	8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe	cmd.exe
PID 2064 wrote to memory of 4784	2064	cmd.exe	choice.exe
PID 2064 wrote to memory of 4784	2064	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe
"C:\Users\Admin\AppData\Local\Temp\8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4672

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\8216f0831a442e0f386c9f7af6e34bf516a46b373757287037e2eb91a71c143f.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:2064

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:4784

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/2064-116-0x0000000000000000-mapping.dmp

Download
memory/4672-115-0x0000000000160000-0x0000000000F39000-memory.dmp

Filesize
13.8MB

Download
memory/4672-117-0x0000000000160000-0x0000000000F39000-memory.dmp

Filesize
13.8MB

Download
memory/4784-118-0x0000000000000000-mapping.dmp

Download