Malware Analysis Report

2025-04-14 05:15

Sample ID 201128-gl6k7y9nks
Target Document,PDF.com
SHA256 f4c976f3587362c6138a4dd309aabf2ec5c31f0ebe98b4618a2f52f145ce4a77
Tags
masslogger persistence ransomware spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

f4c976f3587362c6138a4dd309aabf2ec5c31f0ebe98b4618a2f52f145ce4a77

Threat Level: Known bad

The file Document,PDF.com was found to be: Known bad.

Malicious Activity Summary

masslogger persistence ransomware spyware stealer

MassLogger

MassLogger log file

Checks computer location settings

Reads user/profile data of web browsers

Adds Run key to start application

Looks up external IP address via web service

Suspicious use of SetThreadContext

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-11-28 11:59

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2020-11-28 11:59

Reported

2020-11-28 12:01

Platform

win10v20201028

Max time kernel

54s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe"

Signatures

MassLogger

stealer spyware masslogger

MassLogger log file

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe N/A

Reads user/profile data of web browsers

spyware

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-1985363256-3005190890-1182679451-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc.exe\"" C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe 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 4692 set thread context of 572 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4692 wrote to memory of 496 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 4692 wrote to memory of 496 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 4692 wrote to memory of 496 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 4692 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 4692 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 4692 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 4692 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 4692 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 4692 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 4692 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 4692 wrote to memory of 572 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe

"C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe"

C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe

"C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe"

C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe

"C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 54.243.164.148:80 api.ipify.org tcp

Files

memory/4692-2-0x0000000073430000-0x0000000073B1E000-memory.dmp

memory/4692-3-0x00000000006F0000-0x00000000006F1000-memory.dmp

memory/4692-5-0x00000000055A0000-0x00000000055A1000-memory.dmp

memory/4692-6-0x00000000050A0000-0x00000000050A1000-memory.dmp

memory/4692-7-0x0000000004FD0000-0x0000000004FD1000-memory.dmp

memory/4692-8-0x0000000006D50000-0x0000000006E05000-memory.dmp

memory/4692-9-0x00000000073B0000-0x00000000073B1000-memory.dmp

memory/4692-10-0x0000000007330000-0x0000000007331000-memory.dmp

memory/4692-11-0x0000000007530000-0x0000000007546000-memory.dmp

memory/572-12-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/572-13-0x00000000004B31FE-mapping.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Document,PDF.com.exe.log

MD5 4a30a8132195c1aa1a62b78676b178d9
SHA1 506e6d99a2ba08c9d3553af30daaaa0fc46ae4be
SHA256 71636c227625058652c089035480b7bb3e5795f3998bc9823c401029fc844a20
SHA512 3272b5129525c2b8f7efb99f5a2115cf2572480ff6938ca80e63f02c52588216f861307b9ef962ba015787cae0d5a95e74ebb5fe4b35b34f1c4f3a7deac8ce09

memory/572-15-0x0000000073430000-0x0000000073B1E000-memory.dmp

memory/572-19-0x0000000005470000-0x0000000005471000-memory.dmp

memory/572-20-0x00000000053E0000-0x0000000005451000-memory.dmp

memory/572-21-0x0000000005580000-0x0000000005581000-memory.dmp

memory/572-24-0x0000000007C30000-0x0000000007C31000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2020-11-28 11:59

Reported

2020-11-28 12:01

Platform

win7v20201028

Max time kernel

123s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe"

Signatures

MassLogger

stealer spyware masslogger

MassLogger log file

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

Checks computer location settings

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

Reads user/profile data of web browsers

spyware

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\vlc = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\VideoLAN\\vlc.exe\"" C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe 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 800 set thread context of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 800 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 800 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 800 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 800 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 800 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 800 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 800 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 800 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 800 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 800 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 800 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe
PID 800 wrote to memory of 1628 N/A C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe

Processes

C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe

"C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe"

C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe

"C:\Users\Admin\AppData\Local\Temp\Document,PDF.com.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 54.243.164.148:80 api.ipify.org tcp

Files

memory/800-2-0x00000000746D0000-0x0000000074DBE000-memory.dmp

memory/800-3-0x0000000000DD0000-0x0000000000DD1000-memory.dmp

memory/800-5-0x0000000005380000-0x0000000005435000-memory.dmp

memory/800-6-0x0000000000800000-0x0000000000816000-memory.dmp

memory/1628-7-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/1628-8-0x00000000004B31FE-mapping.dmp

memory/1628-9-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/1628-10-0x0000000000400000-0x00000000004B8000-memory.dmp

memory/1628-11-0x00000000746D0000-0x0000000074DBE000-memory.dmp

memory/1628-14-0x00000000004C0000-0x0000000000531000-memory.dmp