Malware Analysis Report

2025-04-14 05:15

Sample ID 201217-6n2n96dzv2
Target Down Payment.doc
SHA256 52fa2e8c2e126d16feab59c47cdb6764e30a532000db97388ded751b0471e688
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

52fa2e8c2e126d16feab59c47cdb6764e30a532000db97388ded751b0471e688

Threat Level: Known bad

The file Down Payment.doc was found to be: Known bad.

Malicious Activity Summary

masslogger spyware stealer

MassLogger

MassLogger Main Payload

Blocklisted process makes network request

Executes dropped EXE

Reads user/profile data of web browsers

Loads dropped DLL

Checks computer location settings

Looks up external IP address via web service

Drops file in System32 directory

Suspicious use of SetThreadContext

Drops file in Windows directory

Office loads VBA resources, possible macro or embedded object present

Checks processor information in registry

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: AddClipboardFormatListener

Launches Equation Editor

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Modifies Internet Explorer settings

Enumerates system info in registry

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

70s

Max time network

123s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\Down 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\atlas785198.scr N/A
N/A N/A C:\Users\Admin\AppData\Roaming\atlas785198.scr 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\atlas785198.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 368 set thread context of 388 N/A C:\Users\Admin\AppData\Roaming\atlas785198.scr C:\Users\Admin\AppData\Roaming\atlas785198.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
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
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
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
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 (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
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 (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\atlas785198.scr N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\atlas785198.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 1192 wrote to memory of 368 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\atlas785198.scr
PID 1192 wrote to memory of 368 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\atlas785198.scr
PID 1192 wrote to memory of 368 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\atlas785198.scr
PID 1192 wrote to memory of 368 N/A C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE C:\Users\Admin\AppData\Roaming\atlas785198.scr
PID 368 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\atlas785198.scr C:\Users\Admin\AppData\Roaming\atlas785198.scr
PID 368 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\atlas785198.scr C:\Users\Admin\AppData\Roaming\atlas785198.scr
PID 368 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\atlas785198.scr C:\Users\Admin\AppData\Roaming\atlas785198.scr
PID 368 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\atlas785198.scr C:\Users\Admin\AppData\Roaming\atlas785198.scr
PID 368 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\atlas785198.scr C:\Users\Admin\AppData\Roaming\atlas785198.scr
PID 368 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\atlas785198.scr C:\Users\Admin\AppData\Roaming\atlas785198.scr
PID 368 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\atlas785198.scr C:\Users\Admin\AppData\Roaming\atlas785198.scr
PID 368 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\atlas785198.scr C:\Users\Admin\AppData\Roaming\atlas785198.scr
PID 368 wrote to memory of 388 N/A C:\Users\Admin\AppData\Roaming\atlas785198.scr C:\Users\Admin\AppData\Roaming\atlas785198.scr
PID 388 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Roaming\atlas785198.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 388 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Roaming\atlas785198.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 388 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Roaming\atlas785198.scr C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 388 wrote to memory of 1740 N/A C:\Users\Admin\AppData\Roaming\atlas785198.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\Down 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\atlas785198.scr

"C:\Users\Admin\AppData\Roaming\atlas785198.scr"

C:\Users\Admin\AppData\Roaming\atlas785198.scr

"C:\Users\Admin\AppData\Roaming\atlas785198.scr"

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

"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Roaming\atlas785198.scr'

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 cdn.discordapp.com udp
N/A 162.159.133.233:80 cdn.discordapp.com tcp
N/A 162.159.133.233:443 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 54.235.189.250:80 api.ipify.org tcp
N/A 8.8.8.8:53 crl.verisign.com udp

Files

memory/1640-2-0x00000000041D0000-0x00000000041D4000-memory.dmp

memory/1772-3-0x000007FEF7B10000-0x000007FEF7D8A000-memory.dmp

\Users\Admin\AppData\Roaming\atlas785198.scr

MD5 acf9859073668352c595f1bf2e8acbf2
SHA1 08287325bb14df236fe5aa9a9dfc68da8088a7e0
SHA256 2e302bee38d2c734914bd99beb38bfbf483a8e90ac57306ede31c13bd6ad45d3
SHA512 f08a5e452c09eb3fe8fcded68eb7b4a43563938a42dbeb84468ffa0f0cb016397b6543788f9ada0186f47936cae5d61b21cb9e38c44903600971814c3dcb51e6

\Users\Admin\AppData\Roaming\atlas785198.scr

MD5 acf9859073668352c595f1bf2e8acbf2
SHA1 08287325bb14df236fe5aa9a9dfc68da8088a7e0
SHA256 2e302bee38d2c734914bd99beb38bfbf483a8e90ac57306ede31c13bd6ad45d3
SHA512 f08a5e452c09eb3fe8fcded68eb7b4a43563938a42dbeb84468ffa0f0cb016397b6543788f9ada0186f47936cae5d61b21cb9e38c44903600971814c3dcb51e6

memory/368-6-0x0000000000000000-mapping.dmp

C:\Users\Admin\AppData\Roaming\atlas785198.scr

MD5 acf9859073668352c595f1bf2e8acbf2
SHA1 08287325bb14df236fe5aa9a9dfc68da8088a7e0
SHA256 2e302bee38d2c734914bd99beb38bfbf483a8e90ac57306ede31c13bd6ad45d3
SHA512 f08a5e452c09eb3fe8fcded68eb7b4a43563938a42dbeb84468ffa0f0cb016397b6543788f9ada0186f47936cae5d61b21cb9e38c44903600971814c3dcb51e6

C:\Users\Admin\AppData\Roaming\atlas785198.scr

MD5 acf9859073668352c595f1bf2e8acbf2
SHA1 08287325bb14df236fe5aa9a9dfc68da8088a7e0
SHA256 2e302bee38d2c734914bd99beb38bfbf483a8e90ac57306ede31c13bd6ad45d3
SHA512 f08a5e452c09eb3fe8fcded68eb7b4a43563938a42dbeb84468ffa0f0cb016397b6543788f9ada0186f47936cae5d61b21cb9e38c44903600971814c3dcb51e6

memory/368-9-0x000000006B8E0000-0x000000006BFCE000-memory.dmp

memory/368-10-0x0000000000CA0000-0x0000000000CA1000-memory.dmp

memory/1640-12-0x0000000001E70000-0x0000000001E71000-memory.dmp

memory/368-13-0x0000000000650000-0x00000000006D7000-memory.dmp

memory/388-14-0x0000000000400000-0x0000000000486000-memory.dmp

memory/388-15-0x0000000000481D3E-mapping.dmp

C:\Users\Admin\AppData\Roaming\atlas785198.scr

MD5 acf9859073668352c595f1bf2e8acbf2
SHA1 08287325bb14df236fe5aa9a9dfc68da8088a7e0
SHA256 2e302bee38d2c734914bd99beb38bfbf483a8e90ac57306ede31c13bd6ad45d3
SHA512 f08a5e452c09eb3fe8fcded68eb7b4a43563938a42dbeb84468ffa0f0cb016397b6543788f9ada0186f47936cae5d61b21cb9e38c44903600971814c3dcb51e6

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

memory/388-18-0x0000000000400000-0x0000000000486000-memory.dmp

memory/388-19-0x000000006B8E0000-0x000000006BFCE000-memory.dmp

memory/1740-22-0x0000000000000000-mapping.dmp

memory/1740-23-0x000000006B8E0000-0x000000006BFCE000-memory.dmp

memory/1740-24-0x0000000002300000-0x0000000002301000-memory.dmp

memory/1740-25-0x0000000004780000-0x0000000004781000-memory.dmp

memory/1740-26-0x0000000002560000-0x0000000002561000-memory.dmp

memory/1740-27-0x0000000005240000-0x0000000005241000-memory.dmp

memory/1740-30-0x0000000005690000-0x0000000005691000-memory.dmp

memory/1740-35-0x00000000056F0000-0x00000000056F1000-memory.dmp

memory/1740-36-0x00000000061B0000-0x00000000061B1000-memory.dmp

memory/1740-43-0x0000000006280000-0x0000000006281000-memory.dmp

memory/1740-44-0x00000000062B0000-0x00000000062B1000-memory.dmp

memory/1740-58-0x00000000065C0000-0x00000000065C1000-memory.dmp

memory/1740-59-0x00000000065D0000-0x00000000065D1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-12-17 11:47

Reported

2020-12-17 11:49

Platform

win10v20201028

Max time kernel

141s

Max time network

134s

Command Line

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

Network

N/A

Files

memory/4048-2-0x000001B94AC20000-0x000001B94B257000-memory.dmp