ytstealer | 4f6e83875bb61b2d794fa100b43e87bf06c012799409d892becb09def3b4d6e6

Analysis

max time kernel
39s
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 01:46

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General

Target

4f6e83875bb61b2d794fa100b43e87bf06c012799409d892becb09def3b4d6e6.exe
Size

4.0MB
MD5

70de0cf44ccd52c8faba4aef6c1e8b59
SHA1

66257f1712e6c9ebd70a0f89cb4675fab4cc5c57
SHA256

4f6e83875bb61b2d794fa100b43e87bf06c012799409d892becb09def3b4d6e6
SHA512

bf4f0a4c23785e4b5d5f1b93a725006ea1bb4b2e6ec9f0f61d971cb093ce05dc26d045ebec866fd2c1ab8b791ec2320dd2924a4c627bdd79a56c3d9a08695d9c
SSDEEP

98304:IX1MQCOeMz+YnQ/F+d65dEWAHU51T+4YM2qXelXDiuAm7mx:8ewSYQeWAHU59+4YM2qAX2uAm7mx

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/1184-54-0x0000000000220000-0x0000000000FF9000-memory.dmp	family_ytstealer
behavioral1/memory/1184-56-0x0000000000220000-0x0000000000FF9000-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/1184-54-0x0000000000220000-0x0000000000FF9000-memory.dmp	upx
behavioral1/memory/1184-56-0x0000000000220000-0x0000000000FF9000-memory.dmp	upx

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

648 cmd.exe
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

pid	process
648	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

4f6e83875bb61b2d794fa100b43e87bf06c012799409d892becb09def3b4d6e6.exe

pid	process
1184	4f6e83875bb61b2d794fa100b43e87bf06c012799409d892becb09def3b4d6e6.exe
1184	4f6e83875bb61b2d794fa100b43e87bf06c012799409d892becb09def3b4d6e6.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

4f6e83875bb61b2d794fa100b43e87bf06c012799409d892becb09def3b4d6e6.execmd.exe

description	pid	process	target process
PID 1184 wrote to memory of 648	1184	4f6e83875bb61b2d794fa100b43e87bf06c012799409d892becb09def3b4d6e6.exe	cmd.exe
PID 1184 wrote to memory of 648	1184	4f6e83875bb61b2d794fa100b43e87bf06c012799409d892becb09def3b4d6e6.exe	cmd.exe
PID 1184 wrote to memory of 648	1184	4f6e83875bb61b2d794fa100b43e87bf06c012799409d892becb09def3b4d6e6.exe	cmd.exe
PID 648 wrote to memory of 580	648	cmd.exe	choice.exe
PID 648 wrote to memory of 580	648	cmd.exe	choice.exe
PID 648 wrote to memory of 580	648	cmd.exe	choice.exe

C:\Users\Admin\AppData\Local\Temp\4f6e83875bb61b2d794fa100b43e87bf06c012799409d892becb09def3b4d6e6.exe
"C:\Users\Admin\AppData\Local\Temp\4f6e83875bb61b2d794fa100b43e87bf06c012799409d892becb09def3b4d6e6.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1184

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\4f6e83875bb61b2d794fa100b43e87bf06c012799409d892becb09def3b4d6e6.exe
2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:648

C:\Windows\system32\choice.exe
choice /C Y /N /D Y /T 0
3⤵
PID:580

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/580-57-0x0000000000000000-mapping.dmp

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memory/648-55-0x0000000000000000-mapping.dmp

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memory/1184-54-0x0000000000220000-0x0000000000FF9000-memory.dmp

Filesize
13.8MB

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memory/1184-56-0x0000000000220000-0x0000000000FF9000-memory.dmp

Filesize
13.8MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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