Malware Analysis Report

2025-04-14 05:15

Sample ID 201218-b32mrnajej
Target Shipping_Documents,pdf.exe
SHA256 8f23a6b917f6634c7bac57a6f406edd640b449031ccc1795d8a3cd34987160b5
Tags
masslogger spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

8f23a6b917f6634c7bac57a6f406edd640b449031ccc1795d8a3cd34987160b5

Threat Level: Known bad

The file Shipping_Documents,pdf.exe was found to be: Known bad.

Malicious Activity Summary

masslogger spyware stealer

MassLogger

MassLogger Main Payload

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2020-12-18 09:51

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-12-18 09:51

Reported

2020-12-18 09:53

Platform

win7v20201028

Max time kernel

72s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Shipping_Documents,pdf.exe"

Signatures

MassLogger

stealer spyware masslogger

MassLogger Main Payload

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

Looks up external IP address via web service

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 844 set thread context of 1636 N/A C:\Users\Admin\AppData\Local\Temp\Shipping_Documents,pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Shipping_Documents,pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Shipping_Documents,pdf.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 50.19.252.36:80 api.ipify.org tcp

Files

memory/844-2-0x00000000749D0000-0x00000000750BE000-memory.dmp

memory/844-3-0x0000000000E90000-0x0000000000E91000-memory.dmp

memory/844-5-0x0000000000460000-0x0000000000472000-memory.dmp

memory/844-6-0x0000000004F20000-0x0000000004FEB000-memory.dmp

memory/844-7-0x0000000000B90000-0x0000000000B98000-memory.dmp

memory/844-9-0x00000000054B0000-0x000000000555D000-memory.dmp

memory/1636-11-0x0000000000481D6E-mapping.dmp

memory/1636-10-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1636-12-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1636-13-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1636-14-0x00000000749D0000-0x00000000750BE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-12-18 09:51

Reported

2020-12-18 09:53

Platform

win10v20201028

Max time kernel

73s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Shipping_Documents,pdf.exe"

Signatures

MassLogger

stealer spyware masslogger

MassLogger Main Payload

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

Looks up external IP address via web service

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4772 set thread context of 648 N/A C:\Users\Admin\AppData\Local\Temp\Shipping_Documents,pdf.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\Shipping_Documents,pdf.exe

"C:\Users\Admin\AppData\Local\Temp\Shipping_Documents,pdf.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 23.23.100.164:80 api.ipify.org tcp

Files

memory/4772-2-0x0000000073360000-0x0000000073A4E000-memory.dmp

memory/4772-3-0x0000000000820000-0x0000000000821000-memory.dmp

memory/4772-5-0x00000000052B0000-0x00000000052B1000-memory.dmp

memory/4772-6-0x0000000005850000-0x0000000005851000-memory.dmp

memory/4772-7-0x0000000005350000-0x0000000005351000-memory.dmp

memory/4772-8-0x0000000005410000-0x0000000005411000-memory.dmp

memory/4772-9-0x0000000005480000-0x0000000005481000-memory.dmp

memory/4772-10-0x0000000005430000-0x0000000005442000-memory.dmp

memory/4772-11-0x0000000005F30000-0x0000000005FFB000-memory.dmp

memory/4772-12-0x0000000005E80000-0x0000000005E88000-memory.dmp

memory/4772-14-0x00000000060F0000-0x000000000619D000-memory.dmp

memory/648-16-0x0000000000481D6E-mapping.dmp

memory/648-15-0x0000000000400000-0x0000000000486000-memory.dmp

memory/648-17-0x0000000073360000-0x0000000073A4E000-memory.dmp

memory/648-22-0x0000000005E60000-0x0000000005E61000-memory.dmp

memory/648-23-0x0000000006690000-0x0000000006691000-memory.dmp