ytstealer | 1a263542a734201d2fc6ad31eb5be874e357cd59ca2bf48da0610857ceb7c2af

Analysis

max time kernel
53s
max time network
182s
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 06:55

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General

Target

1A263542A734201D2FC6AD31EB5BE874E357CD59CA2BF48DA0610857CEB7C2AF.exe
Size

4.0MB
MD5

977c1094dce77ceecd310080f7fafba7
SHA1

f8be16c0e9748ff8b7f6688107ea16a5de216351
SHA256

1a263542a734201d2fc6ad31eb5be874e357cd59ca2bf48da0610857ceb7c2af
SHA512

0ed104581ac7ad37188c611431c23bcb6f095d14a548686b0b8f97ff8301e667345d3d94acdc66b0244e0c2f1a6a29f03348548e6da5371d755505c63d57e2bd

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/1788-117-0x0000000000C90000-0x0000000001A58000-memory.dmp	family_ytstealer
behavioral2/memory/1788-120-0x0000000000C90000-0x0000000001A58000-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/1788-117-0x0000000000C90000-0x0000000001A58000-memory.dmp	upx
behavioral2/memory/1788-120-0x0000000000C90000-0x0000000001A58000-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:

1A263542A734201D2FC6AD31EB5BE874E357CD59CA2BF48DA0610857CEB7C2AF.exe

pid	process
1788	1A263542A734201D2FC6AD31EB5BE874E357CD59CA2BF48DA0610857CEB7C2AF.exe
1788	1A263542A734201D2FC6AD31EB5BE874E357CD59CA2BF48DA0610857CEB7C2AF.exe
1788	1A263542A734201D2FC6AD31EB5BE874E357CD59CA2BF48DA0610857CEB7C2AF.exe
1788	1A263542A734201D2FC6AD31EB5BE874E357CD59CA2BF48DA0610857CEB7C2AF.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

1A263542A734201D2FC6AD31EB5BE874E357CD59CA2BF48DA0610857CEB7C2AF.execmd.exe

description	pid	process	target process
PID 1788 wrote to memory of 2380	1788	1A263542A734201D2FC6AD31EB5BE874E357CD59CA2BF48DA0610857CEB7C2AF.exe	cmd.exe
PID 1788 wrote to memory of 2380	1788	1A263542A734201D2FC6AD31EB5BE874E357CD59CA2BF48DA0610857CEB7C2AF.exe	cmd.exe
PID 2380 wrote to memory of 3088	2380	cmd.exe	choice.exe
PID 2380 wrote to memory of 3088	2380	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\1A263542A734201D2FC6AD31EB5BE874E357CD59CA2BF48DA0610857CEB7C2AF.exe
"C:\Users\Admin\AppData\Local\Temp\1A263542A734201D2FC6AD31EB5BE874E357CD59CA2BF48DA0610857CEB7C2AF.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1788

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\1A263542A734201D2FC6AD31EB5BE874E357CD59CA2BF48DA0610857CEB7C2AF.exe
2⤵
- Suspicious use of WriteProcessMemory
PID:2380

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:3088

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

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Downloads

memory/1788-117-0x0000000000C90000-0x0000000001A58000-memory.dmp

Filesize
13.8MB

Download
memory/1788-120-0x0000000000C90000-0x0000000001A58000-memory.dmp

Filesize
13.8MB

Download
memory/2380-118-0x0000000000000000-mapping.dmp

Download
memory/3088-119-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads