Malware Analysis Report

2025-04-14 05:15

Sample ID 201217-wjvqjsmwan
Target PAY SLIP.doc
SHA256 1fb6e6de431cb7352cb01ac2ce4a0cbeac9d50df267401a481f315b0e3bf7ff3
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

1fb6e6de431cb7352cb01ac2ce4a0cbeac9d50df267401a481f315b0e3bf7ff3

Threat Level: Known bad

The file PAY SLIP.doc was found to be: Known bad.

Malicious Activity Summary

masslogger spyware stealer

MassLogger Main Payload

MassLogger

Executes dropped EXE

Blocklisted process makes network request

Reads user/profile data of web browsers

Checks computer location settings

Loads dropped DLL

Looks up external IP address via web service

Suspicious use of SetThreadContext

Drops file in System32 directory

Drops file in Windows directory

Office loads VBA resources, possible macro or embedded object present

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Modifies Internet Explorer settings

Launches Equation Editor

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-12-17 11:47

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-12-17 11:47

Reported

2020-12-17 11:49

Platform

win7v20201028

Max time kernel

150s

Max time network

152s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\PAY SLIP.doc"

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr N/A
N/A N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr 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\Roaming\atlas785172.scr 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

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\%ProgramData%\Microsoft\Windows\Start Menu\Programs\Accessories\Windows PowerShell\Windows PowerShell.lnk C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 644 set thread context of 1596 N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr C:\Users\Admin\AppData\Roaming\atlas785172.scr

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Debug\WIA\wiatrace.log C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

Office loads VBA resources, possible macro or embedded object present

Launches Equation Editor

exploit
Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE N/A

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
N/A N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1996 wrote to memory of 644 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\atlas785172.scr
PID 1996 wrote to memory of 644 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\atlas785172.scr
PID 1996 wrote to memory of 644 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\atlas785172.scr
PID 1996 wrote to memory of 644 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\atlas785172.scr
PID 644 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr C:\Users\Admin\AppData\Roaming\atlas785172.scr
PID 644 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr C:\Users\Admin\AppData\Roaming\atlas785172.scr
PID 644 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr C:\Users\Admin\AppData\Roaming\atlas785172.scr
PID 644 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr C:\Users\Admin\AppData\Roaming\atlas785172.scr
PID 644 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr C:\Users\Admin\AppData\Roaming\atlas785172.scr
PID 644 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr C:\Users\Admin\AppData\Roaming\atlas785172.scr
PID 644 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr C:\Users\Admin\AppData\Roaming\atlas785172.scr
PID 644 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr C:\Users\Admin\AppData\Roaming\atlas785172.scr
PID 644 wrote to memory of 1596 N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr C:\Users\Admin\AppData\Roaming\atlas785172.scr
PID 1596 wrote to memory of 624 N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1596 wrote to memory of 624 N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1596 wrote to memory of 624 N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1596 wrote to memory of 624 N/A C:\Users\Admin\AppData\Roaming\atlas785172.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\PAY SLIP.doc"

C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE

"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding

C:\Users\Admin\AppData\Roaming\atlas785172.scr

"C:\Users\Admin\AppData\Roaming\atlas785172.scr"

C:\Users\Admin\AppData\Roaming\atlas785172.scr

"C:\Users\Admin\AppData\Roaming\atlas785172.scr"

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

"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\atlas785172.scr'

Network

Country Destination Domain Proto
N/A 72.21.91.29:80 tcp
N/A 8.8.8.8:53 cdn.discordapp.com udp
N/A 162.159.134.233:80 cdn.discordapp.com tcp
N/A 162.159.134.233:443 cdn.discordapp.com tcp
N/A 8.8.8.8:53 www.download.windowsupdate.com udp
N/A 8.8.8.8:53 api.ipify.org udp
N/A 23.21.252.4:80 api.ipify.org tcp
N/A 204.79.197.200:443 tcp
N/A 8.8.8.8:53 crl.verisign.com udp

Files

memory/1036-2-0x00000000022C0000-0x00000000022C4000-memory.dmp

memory/1776-3-0x000007FEF7880000-0x000007FEF7AFA000-memory.dmp

\Users\Admin\AppData\Roaming\atlas785172.scr

MD5 acf9859073668352c595f1bf2e8acbf2
SHA1 08287325bb14df236fe5aa9a9dfc68da8088a7e0
SHA256 2e302bee38d2c734914bd99beb38bfbf483a8e90ac57306ede31c13bd6ad45d3
SHA512 f08a5e452c09eb3fe8fcded68eb7b4a43563938a42dbeb84468ffa0f0cb016397b6543788f9ada0186f47936cae5d61b21cb9e38c44903600971814c3dcb51e6

\Users\Admin\AppData\Roaming\atlas785172.scr

MD5 acf9859073668352c595f1bf2e8acbf2
SHA1 08287325bb14df236fe5aa9a9dfc68da8088a7e0
SHA256 2e302bee38d2c734914bd99beb38bfbf483a8e90ac57306ede31c13bd6ad45d3
SHA512 f08a5e452c09eb3fe8fcded68eb7b4a43563938a42dbeb84468ffa0f0cb016397b6543788f9ada0186f47936cae5d61b21cb9e38c44903600971814c3dcb51e6

memory/644-6-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\atlas785172.scr

MD5 acf9859073668352c595f1bf2e8acbf2
SHA1 08287325bb14df236fe5aa9a9dfc68da8088a7e0
SHA256 2e302bee38d2c734914bd99beb38bfbf483a8e90ac57306ede31c13bd6ad45d3
SHA512 f08a5e452c09eb3fe8fcded68eb7b4a43563938a42dbeb84468ffa0f0cb016397b6543788f9ada0186f47936cae5d61b21cb9e38c44903600971814c3dcb51e6

C:\Users\Admin\AppData\Roaming\atlas785172.scr

MD5 acf9859073668352c595f1bf2e8acbf2
SHA1 08287325bb14df236fe5aa9a9dfc68da8088a7e0
SHA256 2e302bee38d2c734914bd99beb38bfbf483a8e90ac57306ede31c13bd6ad45d3
SHA512 f08a5e452c09eb3fe8fcded68eb7b4a43563938a42dbeb84468ffa0f0cb016397b6543788f9ada0186f47936cae5d61b21cb9e38c44903600971814c3dcb51e6

memory/644-9-0x000000006B660000-0x000000006BD4E000-memory.dmp

memory/644-10-0x0000000000810000-0x0000000000811000-memory.dmp

memory/644-12-0x0000000000780000-0x0000000000807000-memory.dmp

memory/1596-13-0x0000000000400000-0x0000000000486000-memory.dmp

C:\Users\Admin\AppData\Roaming\atlas785172.scr

MD5 acf9859073668352c595f1bf2e8acbf2
SHA1 08287325bb14df236fe5aa9a9dfc68da8088a7e0
SHA256 2e302bee38d2c734914bd99beb38bfbf483a8e90ac57306ede31c13bd6ad45d3
SHA512 f08a5e452c09eb3fe8fcded68eb7b4a43563938a42dbeb84468ffa0f0cb016397b6543788f9ada0186f47936cae5d61b21cb9e38c44903600971814c3dcb51e6

memory/1596-14-0x0000000000481D3E-mapping.dmp

memory/1596-16-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1596-17-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1596-18-0x000000006ABA0000-0x000000006B28E000-memory.dmp

memory/624-21-0x0000000000000000-mapping.dmp

memory/624-22-0x000000006ABA0000-0x000000006B28E000-memory.dmp

memory/624-23-0x0000000002370000-0x0000000002371000-memory.dmp

memory/624-24-0x0000000004890000-0x0000000004891000-memory.dmp

memory/624-25-0x0000000002410000-0x0000000002411000-memory.dmp

memory/624-26-0x00000000047A0000-0x00000000047A1000-memory.dmp

memory/624-29-0x0000000005FE0000-0x0000000005FE1000-memory.dmp

memory/624-34-0x0000000006040000-0x0000000006041000-memory.dmp

memory/624-35-0x0000000006150000-0x0000000006151000-memory.dmp

memory/624-42-0x0000000006240000-0x0000000006241000-memory.dmp

memory/624-43-0x0000000005FA0000-0x0000000005FA1000-memory.dmp

memory/624-57-0x0000000006300000-0x0000000006301000-memory.dmp

memory/624-58-0x0000000006310000-0x0000000006311000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-12-17 11:47

Reported

2020-12-17 11:49

Platform

win10v20201028

Max time kernel

136s

Max time network

132s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\PAY SLIP.doc" /o ""

Signatures

Checks processor information in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A

Processes

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\PAY SLIP.doc" /o ""

Network

Country Destination Domain Proto
N/A 52.109.8.21:443 tcp

Files

memory/4076-2-0x00007FFFD2160000-0x00007FFFD2797000-memory.dmp