Malware Analysis Report

2025-04-14 05:12

Sample ID 210111-mdk5yvl47a
Target file.exe
SHA256 658553ecc9631400e23f4a3ab88b8dd1f101a1e0d5bb61c434d332878a52c64d
Tags
masslogger spyware
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

658553ecc9631400e23f4a3ab88b8dd1f101a1e0d5bb61c434d332878a52c64d

Threat Level: Known bad

The file file.exe was found to be: Known bad.

Malicious Activity Summary

masslogger spyware

MassLogger Main Payload

Masslogger family

Reads user/profile data of web browsers

Deletes itself

Checks computer location settings

Looks up external IP address via web service

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-01-11 15:45

Signatures

MassLogger Main Payload

Description Indicator Process Target
N/A N/A N/A N/A

Masslogger family

masslogger

Analysis: behavioral1

Detonation Overview

Submitted

2021-01-11 15:45

Reported

2021-01-11 15:48

Platform

win7v20201028

Max time kernel

15s

Max time network

112s

Command Line

"C:\Users\Admin\AppData\Local\Temp\file.exe"

Signatures

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\file.exe N/A

Reads user/profile data of web browsers

spyware

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\file.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\file.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\file.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\file.exe

"C:\Users\Admin\AppData\Local\Temp\file.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\file.exe'

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 23.21.126.66:80 api.ipify.org tcp

Files

memory/748-2-0x0000000074090000-0x000000007477E000-memory.dmp

memory/748-3-0x0000000001230000-0x0000000001231000-memory.dmp

memory/792-5-0x0000000000000000-mapping.dmp

memory/792-6-0x0000000074090000-0x000000007477E000-memory.dmp

memory/792-7-0x0000000002250000-0x0000000002251000-memory.dmp

memory/792-8-0x0000000004890000-0x0000000004891000-memory.dmp

memory/792-9-0x0000000005140000-0x0000000005141000-memory.dmp

memory/792-10-0x0000000005280000-0x0000000005281000-memory.dmp

memory/792-13-0x0000000005650000-0x0000000005651000-memory.dmp

memory/792-18-0x0000000006100000-0x0000000006101000-memory.dmp

memory/792-19-0x00000000061B0000-0x00000000061B1000-memory.dmp

memory/792-26-0x0000000006280000-0x0000000006281000-memory.dmp

memory/792-27-0x0000000005610000-0x0000000005611000-memory.dmp

memory/792-41-0x0000000006300000-0x0000000006301000-memory.dmp

memory/792-42-0x0000000006310000-0x0000000006311000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-01-11 15:45

Reported

2021-01-11 15:48

Platform

win10v20201028

Max time kernel

16s

Max time network

112s

Command Line

"C:\Users\Admin\AppData\Local\Temp\file.exe"

Signatures

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\file.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\file.exe

"C:\Users\Admin\AppData\Local\Temp\file.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"powershell" Start-Sleep -Seconds 2; Remove-Item -path 'C:\Users\Admin\AppData\Local\Temp\file.exe'

Network

N/A

Files

memory/60-2-0x0000000073AD0000-0x00000000741BE000-memory.dmp

memory/60-3-0x00000000004D0000-0x00000000004D1000-memory.dmp

memory/60-5-0x00000000050E0000-0x00000000050E1000-memory.dmp

memory/60-6-0x0000000005680000-0x0000000005681000-memory.dmp

memory/60-7-0x0000000005040000-0x0000000005041000-memory.dmp

memory/2608-8-0x0000000000000000-mapping.dmp

memory/2608-9-0x0000000073AD0000-0x00000000741BE000-memory.dmp

memory/2608-10-0x0000000007210000-0x0000000007211000-memory.dmp

memory/2608-11-0x00000000079A0000-0x00000000079A1000-memory.dmp

memory/2608-12-0x0000000007930000-0x0000000007931000-memory.dmp

memory/2608-13-0x0000000008040000-0x0000000008041000-memory.dmp

memory/2608-15-0x0000000008120000-0x0000000008121000-memory.dmp

memory/2608-16-0x00000000086D0000-0x00000000086D1000-memory.dmp

memory/2608-17-0x0000000008C70000-0x0000000008C71000-memory.dmp

memory/2608-18-0x00000000089D0000-0x00000000089D1000-memory.dmp

memory/2608-19-0x000000000A150000-0x000000000A151000-memory.dmp

memory/2608-20-0x00000000096B0000-0x00000000096B1000-memory.dmp

memory/2608-21-0x0000000009AD0000-0x0000000009AD1000-memory.dmp

memory/2608-22-0x0000000007560000-0x0000000007561000-memory.dmp