Malware Analysis Report

2025-04-14 05:15

Sample ID 210113-yv26fyhdfs
Target DHL_Jan 2021 at 1.M_9B78290_PDF.exe
SHA256 5873eeecc609bbf368ed09b3a3d7374c3a3c5611deb407edf0758f1d9017d54d
Tags
masslogger spyware stealer
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

5873eeecc609bbf368ed09b3a3d7374c3a3c5611deb407edf0758f1d9017d54d

Threat Level: Known bad

The file DHL_Jan 2021 at 1.M_9B78290_PDF.exe was found to be: Known bad.

Malicious Activity Summary

masslogger spyware stealer

MassLogger

MassLogger Main Payload

Checks computer location settings

Reads user/profile data of web browsers

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-01-13 07:27

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-01-13 07:27

Reported

2021-01-13 07:29

Platform

win7v20201028

Max time kernel

16s

Max time network

114s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.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 use of SetThreadContext

Description Indicator Process Target
PID 1472 set thread context of 1992 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1472 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 1472 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 1472 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 1472 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 1472 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 1472 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 1472 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 1472 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 1472 wrote to memory of 1992 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe

Processes

C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe

"C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe"

C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe

"C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 54.235.189.250:80 api.ipify.org tcp

Files

memory/1472-2-0x0000000074480000-0x0000000074B6E000-memory.dmp

memory/1472-3-0x0000000001110000-0x0000000001111000-memory.dmp

memory/1472-5-0x0000000000470000-0x000000000051E000-memory.dmp

memory/1472-6-0x0000000000520000-0x000000000052F000-memory.dmp

memory/1992-7-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1992-8-0x0000000000481E9E-mapping.dmp

memory/1992-10-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1992-9-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1992-11-0x0000000074480000-0x0000000074B6E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-01-13 07:27

Reported

2021-01-13 07:29

Platform

win10v20201028

Max time kernel

149s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.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 use of SetThreadContext

Description Indicator Process Target
PID 4760 set thread context of 3716 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4760 wrote to memory of 3640 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 4760 wrote to memory of 3640 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 4760 wrote to memory of 3640 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 4760 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 4760 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 4760 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 4760 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 4760 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 4760 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 4760 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe
PID 4760 wrote to memory of 3716 N/A C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe

Processes

C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe

"C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe"

C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe

"C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe"

C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe

"C:\Users\Admin\AppData\Local\Temp\DHL_Jan 2021 at 1.M_9B78290_PDF.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 54.225.66.103:80 api.ipify.org tcp

Files

memory/4760-2-0x0000000073150000-0x000000007383E000-memory.dmp

memory/4760-3-0x00000000005E0000-0x00000000005E1000-memory.dmp

memory/4760-5-0x00000000052D0000-0x00000000052D1000-memory.dmp

memory/4760-6-0x0000000004EA0000-0x0000000004F4E000-memory.dmp

memory/4760-7-0x0000000004F50000-0x0000000004F51000-memory.dmp

memory/4760-8-0x0000000005880000-0x0000000005881000-memory.dmp

memory/4760-9-0x0000000005800000-0x000000000580F000-memory.dmp

memory/3716-10-0x0000000000400000-0x0000000000486000-memory.dmp

memory/3716-11-0x0000000000481E9E-mapping.dmp

memory/4760-12-0x0000000005AC0000-0x0000000005AC1000-memory.dmp

memory/3716-13-0x0000000073150000-0x000000007383E000-memory.dmp

memory/3716-18-0x0000000006320000-0x0000000006321000-memory.dmp

memory/3716-19-0x0000000006B40000-0x0000000006B41000-memory.dmp

memory/3716-20-0x0000000006AF0000-0x0000000006AF1000-memory.dmp