Malware Analysis Report

2025-04-14 05:15

Sample ID 201217-4yffk8vs4n
Target 70% Balance Payment.doc
SHA256 d406b975d0f2b8252426508b73d1df1241e4272043ed22c9e64ad2d6ee4f45a9
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

d406b975d0f2b8252426508b73d1df1241e4272043ed22c9e64ad2d6ee4f45a9

Threat Level: Known bad

The file 70% Balance Payment.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 SetThreadContext

Drops file in System32 directory

Drops file in Windows directory

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Modifies Internet Explorer settings

Launches Equation Editor

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2020-12-17 06:41

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2020-12-17 06:41

Reported

2020-12-17 06:43

Platform

win7v20201028

Max time kernel

70s

Max time network

123s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\70% Balance Payment.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\italianm6295.exe N/A
N/A N/A C:\Users\Admin\AppData\Roaming\italianm6295.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\italianm6295.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

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 1356 set thread context of 388 N/A C:\Users\Admin\AppData\Roaming\italianm6295.exe C:\Users\Admin\AppData\Roaming\italianm6295.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

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\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
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
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
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
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

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\italianm6295.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\italianm6295.exe 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 896 wrote to memory of 1356 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\italianm6295.exe
PID 896 wrote to memory of 1356 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\italianm6295.exe
PID 896 wrote to memory of 1356 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\italianm6295.exe
PID 896 wrote to memory of 1356 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\italianm6295.exe
PID 1356 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\italianm6295.exe C:\Users\Admin\AppData\Roaming\italianm6295.exe
PID 1356 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\italianm6295.exe C:\Users\Admin\AppData\Roaming\italianm6295.exe
PID 1356 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\italianm6295.exe C:\Users\Admin\AppData\Roaming\italianm6295.exe
PID 1356 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\italianm6295.exe C:\Users\Admin\AppData\Roaming\italianm6295.exe
PID 1356 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\italianm6295.exe C:\Users\Admin\AppData\Roaming\italianm6295.exe
PID 1356 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\italianm6295.exe C:\Users\Admin\AppData\Roaming\italianm6295.exe
PID 1356 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\italianm6295.exe C:\Users\Admin\AppData\Roaming\italianm6295.exe
PID 1356 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\italianm6295.exe C:\Users\Admin\AppData\Roaming\italianm6295.exe
PID 1356 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\italianm6295.exe C:\Users\Admin\AppData\Roaming\italianm6295.exe
PID 388 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Roaming\italianm6295.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 388 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Roaming\italianm6295.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 388 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Roaming\italianm6295.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 388 wrote to memory of 1720 N/A C:\Users\Admin\AppData\Roaming\italianm6295.exe 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\70% Balance Payment.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\italianm6295.exe

"C:\Users\Admin\AppData\Roaming\italianm6295.exe"

C:\Users\Admin\AppData\Roaming\italianm6295.exe

"C:\Users\Admin\AppData\Roaming\italianm6295.exe"

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

"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\italianm6295.exe'

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 cdn.discordapp.com udp
N/A 162.159.130.233:80 cdn.discordapp.com tcp
N/A 162.159.130.233:443 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 54.221.253.252:80 api.ipify.org tcp
N/A 8.8.8.8:53 crl.verisign.com udp

Files

memory/1640-2-0x0000000003DB0000-0x0000000003DB4000-memory.dmp

memory/1576-3-0x000007FEF7B10000-0x000007FEF7D8A000-memory.dmp

\Users\Admin\AppData\Roaming\italianm6295.exe

MD5 3710baf84c794fe82141d5baa97137ee
SHA1 5238b145897e6ba425e9bd8f889ed5f4bfbd5a7d
SHA256 0d838e7b6343155a98bd1d15cab670ae29c0c20dd992c6f97f80d3791e1cbd14
SHA512 77e39b14ef08844678b12722995a3ba3718e99a52b6bfe1fb011b29cf2c92a4a45746c858c7e8ecbbd7e3cc406ec15f07fc605f6c28997620e2e5b2b39c29ad1

memory/1356-6-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\italianm6295.exe

MD5 3710baf84c794fe82141d5baa97137ee
SHA1 5238b145897e6ba425e9bd8f889ed5f4bfbd5a7d
SHA256 0d838e7b6343155a98bd1d15cab670ae29c0c20dd992c6f97f80d3791e1cbd14
SHA512 77e39b14ef08844678b12722995a3ba3718e99a52b6bfe1fb011b29cf2c92a4a45746c858c7e8ecbbd7e3cc406ec15f07fc605f6c28997620e2e5b2b39c29ad1

C:\Users\Admin\AppData\Roaming\italianm6295.exe

MD5 3710baf84c794fe82141d5baa97137ee
SHA1 5238b145897e6ba425e9bd8f889ed5f4bfbd5a7d
SHA256 0d838e7b6343155a98bd1d15cab670ae29c0c20dd992c6f97f80d3791e1cbd14
SHA512 77e39b14ef08844678b12722995a3ba3718e99a52b6bfe1fb011b29cf2c92a4a45746c858c7e8ecbbd7e3cc406ec15f07fc605f6c28997620e2e5b2b39c29ad1

C:\Users\Admin\AppData\Roaming\italianm6295.exe

MD5 3710baf84c794fe82141d5baa97137ee
SHA1 5238b145897e6ba425e9bd8f889ed5f4bfbd5a7d
SHA256 0d838e7b6343155a98bd1d15cab670ae29c0c20dd992c6f97f80d3791e1cbd14
SHA512 77e39b14ef08844678b12722995a3ba3718e99a52b6bfe1fb011b29cf2c92a4a45746c858c7e8ecbbd7e3cc406ec15f07fc605f6c28997620e2e5b2b39c29ad1

memory/1356-9-0x000000006B840000-0x000000006BF2E000-memory.dmp

memory/1356-10-0x00000000013B0000-0x00000000013B1000-memory.dmp

memory/1356-12-0x0000000000AE0000-0x0000000000B80000-memory.dmp

memory/388-14-0x0000000000481D3E-mapping.dmp

memory/388-13-0x0000000000400000-0x0000000000486000-memory.dmp

memory/388-16-0x0000000000400000-0x0000000000486000-memory.dmp

C:\Users\Admin\AppData\Roaming\italianm6295.exe

MD5 3710baf84c794fe82141d5baa97137ee
SHA1 5238b145897e6ba425e9bd8f889ed5f4bfbd5a7d
SHA256 0d838e7b6343155a98bd1d15cab670ae29c0c20dd992c6f97f80d3791e1cbd14
SHA512 77e39b14ef08844678b12722995a3ba3718e99a52b6bfe1fb011b29cf2c92a4a45746c858c7e8ecbbd7e3cc406ec15f07fc605f6c28997620e2e5b2b39c29ad1

memory/388-17-0x0000000000400000-0x0000000000486000-memory.dmp

memory/388-18-0x000000006AE20000-0x000000006B50E000-memory.dmp

memory/1720-21-0x0000000000000000-mapping.dmp

memory/1720-22-0x000000006AE20000-0x000000006B50E000-memory.dmp

memory/1720-23-0x00000000023B0000-0x00000000023B1000-memory.dmp

memory/1720-24-0x0000000004840000-0x0000000004841000-memory.dmp

memory/1720-25-0x0000000002590000-0x0000000002591000-memory.dmp

memory/1720-26-0x00000000052C0000-0x00000000052C1000-memory.dmp

memory/1720-29-0x0000000005610000-0x0000000005611000-memory.dmp

memory/1720-34-0x0000000005700000-0x0000000005701000-memory.dmp

memory/1720-35-0x0000000006160000-0x0000000006161000-memory.dmp

memory/1720-42-0x0000000006200000-0x0000000006201000-memory.dmp

memory/1720-43-0x00000000055D0000-0x00000000055D1000-memory.dmp

memory/1720-57-0x00000000062C0000-0x00000000062C1000-memory.dmp

memory/1720-58-0x00000000062D0000-0x00000000062D1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-12-17 06:41

Reported

2020-12-17 06:43

Platform

win10v20201028

Max time kernel

139s

Max time network

134s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\70% Balance Payment.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\70% Balance Payment.doc" /o ""

Network

N/A

Files

memory/644-2-0x00007FFC2FAB0000-0x00007FFC300E7000-memory.dmp