Malware Analysis Report

2025-04-14 05:12

Sample ID 201217-fnbxtatd6s
Target 70A12162020.doc
SHA256 320592aa53514c7fd425f4c691e4be802ca964955d5a6fdd960a8725c36737b4
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

320592aa53514c7fd425f4c691e4be802ca964955d5a6fdd960a8725c36737b4

Threat Level: Known bad

The file 70A12162020.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

Loads dropped DLL

Reads user/profile data of web browsers

Checks computer location settings

Looks up external IP address via web service

Suspicious use of NtSetInformationThreadHideFromDebugger

Suspicious use of SetThreadContext

Drops file in Windows directory

Office loads VBA resources, possible macro or embedded object present

Checks processor information in registry

Enumerates system info in registry

Launches Equation Editor

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Delays execution with timeout.exe

Modifies Internet Explorer settings

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-12-17 06:42

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-12-17 06:42

Reported

2020-12-17 06:44

Platform

win7v20201028

Max time kernel

70s

Max time network

125s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\70A12162020.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

Blocklisted process makes network request

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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\VOD.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\VOD.exe 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\Roaming\VOD.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 1096 set thread context of 1684 N/A C:\Users\Admin\AppData\Roaming\VOD.exe C:\Users\Admin\AppData\Roaming\VOD.exe

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

Delays execution with timeout.exe

evasion
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\timeout.exe N/A

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
Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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
Set value (int) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\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\VOD.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\VOD.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\VOD.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1632 wrote to memory of 1096 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\VOD.exe
PID 1632 wrote to memory of 1096 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\VOD.exe
PID 1632 wrote to memory of 1096 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\VOD.exe
PID 1632 wrote to memory of 1096 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\VOD.exe
PID 1096 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Roaming\VOD.exe C:\Windows\SysWOW64\cmd.exe
PID 1096 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Roaming\VOD.exe C:\Windows\SysWOW64\cmd.exe
PID 1096 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Roaming\VOD.exe C:\Windows\SysWOW64\cmd.exe
PID 1096 wrote to memory of 1936 N/A C:\Users\Admin\AppData\Roaming\VOD.exe C:\Windows\SysWOW64\cmd.exe
PID 1936 wrote to memory of 328 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1936 wrote to memory of 328 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1936 wrote to memory of 328 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1936 wrote to memory of 328 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\timeout.exe
PID 1096 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Roaming\VOD.exe C:\Users\Admin\AppData\Roaming\VOD.exe
PID 1096 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Roaming\VOD.exe C:\Users\Admin\AppData\Roaming\VOD.exe
PID 1096 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Roaming\VOD.exe C:\Users\Admin\AppData\Roaming\VOD.exe
PID 1096 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Roaming\VOD.exe C:\Users\Admin\AppData\Roaming\VOD.exe
PID 1096 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Roaming\VOD.exe C:\Users\Admin\AppData\Roaming\VOD.exe
PID 1096 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Roaming\VOD.exe C:\Users\Admin\AppData\Roaming\VOD.exe
PID 1096 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Roaming\VOD.exe C:\Users\Admin\AppData\Roaming\VOD.exe
PID 1096 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Roaming\VOD.exe C:\Users\Admin\AppData\Roaming\VOD.exe
PID 1096 wrote to memory of 1684 N/A C:\Users\Admin\AppData\Roaming\VOD.exe C:\Users\Admin\AppData\Roaming\VOD.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\70A12162020.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\VOD.exe

"C:\Users\Admin\AppData\Roaming\VOD.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c timeout 4.104

C:\Windows\SysWOW64\timeout.exe

timeout 4.104

C:\Users\Admin\AppData\Roaming\VOD.exe

"C:\Users\Admin\AppData\Roaming\VOD.exe"

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 mute-saga-0240.lovesick.jp udp
N/A 163.44.185.199:80 mute-saga-0240.lovesick.jp tcp
N/A 8.8.8.8:53 hastebin.com udp
N/A 104.24.127.89:443 hastebin.com tcp
N/A 8.8.8.8:53 api.ipify.org udp
N/A 54.243.164.148:80 api.ipify.org tcp

Files

\Users\Admin\AppData\Roaming\VOD.exe

MD5 37e17f5944c1eff2b5231f6e59539059
SHA1 7592c89af32b9acda3c165670b2447863c762178
SHA256 29eb1cc47e1691ce931b66a745b10f88dff84fbdd8b8ec7b407137c362a9154f
SHA512 3f117d7a16a94ac1ba1964ecd68877f9c496cd0691e275671fc71bb9e5ce4467fb7d01af81d49cf340002f3ed8aa3717fd3300e32b698f7d28261eabfb51ab9b

\Users\Admin\AppData\Roaming\VOD.exe

MD5 37e17f5944c1eff2b5231f6e59539059
SHA1 7592c89af32b9acda3c165670b2447863c762178
SHA256 29eb1cc47e1691ce931b66a745b10f88dff84fbdd8b8ec7b407137c362a9154f
SHA512 3f117d7a16a94ac1ba1964ecd68877f9c496cd0691e275671fc71bb9e5ce4467fb7d01af81d49cf340002f3ed8aa3717fd3300e32b698f7d28261eabfb51ab9b

memory/1096-4-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\VOD.exe

MD5 37e17f5944c1eff2b5231f6e59539059
SHA1 7592c89af32b9acda3c165670b2447863c762178
SHA256 29eb1cc47e1691ce931b66a745b10f88dff84fbdd8b8ec7b407137c362a9154f
SHA512 3f117d7a16a94ac1ba1964ecd68877f9c496cd0691e275671fc71bb9e5ce4467fb7d01af81d49cf340002f3ed8aa3717fd3300e32b698f7d28261eabfb51ab9b

C:\Users\Admin\AppData\Roaming\VOD.exe

MD5 37e17f5944c1eff2b5231f6e59539059
SHA1 7592c89af32b9acda3c165670b2447863c762178
SHA256 29eb1cc47e1691ce931b66a745b10f88dff84fbdd8b8ec7b407137c362a9154f
SHA512 3f117d7a16a94ac1ba1964ecd68877f9c496cd0691e275671fc71bb9e5ce4467fb7d01af81d49cf340002f3ed8aa3717fd3300e32b698f7d28261eabfb51ab9b

memory/1096-7-0x000000006B8F0000-0x000000006BFDE000-memory.dmp

memory/1096-8-0x00000000001E0000-0x00000000001E1000-memory.dmp

memory/1936-10-0x0000000000000000-mapping.dmp

memory/328-11-0x0000000000000000-mapping.dmp

memory/1096-12-0x0000000000550000-0x00000000005DF000-memory.dmp

memory/1684-14-0x000000000048162E-mapping.dmp

memory/1684-13-0x0000000000400000-0x0000000000486000-memory.dmp

C:\Users\Admin\AppData\Roaming\VOD.exe

MD5 37e17f5944c1eff2b5231f6e59539059
SHA1 7592c89af32b9acda3c165670b2447863c762178
SHA256 29eb1cc47e1691ce931b66a745b10f88dff84fbdd8b8ec7b407137c362a9154f
SHA512 3f117d7a16a94ac1ba1964ecd68877f9c496cd0691e275671fc71bb9e5ce4467fb7d01af81d49cf340002f3ed8aa3717fd3300e32b698f7d28261eabfb51ab9b

memory/1684-16-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1684-17-0x0000000000400000-0x0000000000486000-memory.dmp

memory/1096-18-0x0000000000400000-0x0000000000401000-memory.dmp

memory/1684-19-0x000000006B8F0000-0x000000006BFDE000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-12-17 06:42

Reported

2020-12-17 06:44

Platform

win10v20201028

Max time kernel

139s

Max time network

137s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\70A12162020.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 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
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU 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\70A12162020.doc" /o ""

Network

N/A

Files

memory/492-2-0x000001C585DE0000-0x000001C586417000-memory.dmp