Malware Analysis Report

2025-04-13 11:41

Sample ID 210701-9sb8xxm7aj
Target 0701_1866962341645.doc
SHA256 6de957c6676bdc847586662208a81e09971fbe1257a7557348d67621e63a8e5f
Tags
macro macro_on_action hancitor 2806_ldfa1 downloader
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

6de957c6676bdc847586662208a81e09971fbe1257a7557348d67621e63a8e5f

Threat Level: Known bad

The file 0701_1866962341645.doc was found to be: Known bad.

Malicious Activity Summary

macro macro_on_action hancitor 2806_ldfa1 downloader

Process spawned unexpected child process

Hancitor

Office macro that triggers on suspicious action

Downloads MZ/PE file

Blocklisted process makes network request

Loads dropped DLL

Looks up external IP address via web service

Drops file in Windows directory

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Modifies Internet Explorer settings

Enumerates system info in registry

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

NTFS ADS

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-07-01 16:10

Signatures

Office macro that triggers on suspicious action

macro macro_on_action
Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-07-01 16:10

Reported

2021-07-01 16:14

Platform

win7v20210408

Max time kernel

148s

Max time network

57s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\0701_1866962341645.doc"

Signatures

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

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\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

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\0701_1866962341645.doc"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

Network

N/A

Files

memory/1220-59-0x0000000072C71000-0x0000000072C74000-memory.dmp

memory/1220-60-0x00000000706F1000-0x00000000706F3000-memory.dmp

memory/1220-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1704-62-0x0000000000000000-mapping.dmp

memory/1704-63-0x000007FEFC0C1000-0x000007FEFC0C3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-07-01 16:10

Reported

2021-07-01 16:13

Platform

win10v20210410

Max time kernel

135s

Max time network

139s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\0701_1866962341645.doc" /o ""

Signatures

Hancitor

downloader hancitor

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process N/A C:\Windows\System32\rundll32.exe C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Downloads MZ/PE file

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Looks up external IP address via web service

Description Indicator Process Target
N/A api.ipify.org N/A N/A

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

NTFS ADS

Description Indicator Process Target
File opened for modification C:\Users\Admin\AppData\Local\Temp\{EBDA7052-4990-4B1E-8845-2B2C83B02C9A}\nimb.dll:Zone.Identifier 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

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.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\0701_1866962341645.doc" /o ""

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

C:\Windows\System32\rundll32.exe

"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\roaming\microsoft\templates\niberius.dll,PUGXLMMFCEB

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\roaming\microsoft\templates\niberius.dll,PUGXLMMFCEB

C:\Windows\SysWOW64\svchost.exe

C:\Windows\System32\svchost.exe

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 api.ipify.org udp
N/A 50.19.92.227:80 api.ipify.org tcp
N/A 8.8.8.8:53 raeonoran.com udp
N/A 135.125.241.4:80 raeonoran.com tcp
N/A 8.8.8.8:53 rar1tet.ru udp
N/A 8.211.241.0:80 rar1tet.ru tcp
N/A 135.125.241.4:80 raeonoran.com tcp

Files

memory/3036-114-0x00007FFCBABC0000-0x00007FFCBABD0000-memory.dmp

memory/3036-115-0x00007FFCBABC0000-0x00007FFCBABD0000-memory.dmp

memory/3036-116-0x00007FFCBABC0000-0x00007FFCBABD0000-memory.dmp

memory/3036-117-0x00007FFCBABC0000-0x00007FFCBABD0000-memory.dmp

memory/3036-119-0x00007FFCBABC0000-0x00007FFCBABD0000-memory.dmp

memory/3036-118-0x00007FFCDBEC0000-0x00007FFCDE9E3000-memory.dmp

memory/3036-122-0x00007FFCD56E0000-0x00007FFCD67CE000-memory.dmp

memory/3036-123-0x00007FFCD37E0000-0x00007FFCD56D5000-memory.dmp

memory/3128-179-0x0000000000000000-mapping.dmp

memory/208-180-0x0000000000000000-mapping.dmp

\??\c:\users\admin\appdata\roaming\microsoft\templates\niberius.dll

MD5 3f756c0689209815a6519a83acfea461
SHA1 641c3834b4fd3209ebc2cce0cb5e9f35f382ad69
SHA256 3246d6ec68556a22b9e5e978ef263472363502122317209fb61cbd884e5db630
SHA512 15d3f97bf4d98b6fa2bb14a32557c9469e76f3d0ee863a6f26919eb49b93aea6581dc58eec91fb91e3666af4de87a6b2588daa53539045e656ad1c291b3b29c6

memory/2712-182-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Roaming\Microsoft\Templates\niberius.dll

MD5 3f756c0689209815a6519a83acfea461
SHA1 641c3834b4fd3209ebc2cce0cb5e9f35f382ad69
SHA256 3246d6ec68556a22b9e5e978ef263472363502122317209fb61cbd884e5db630
SHA512 15d3f97bf4d98b6fa2bb14a32557c9469e76f3d0ee863a6f26919eb49b93aea6581dc58eec91fb91e3666af4de87a6b2588daa53539045e656ad1c291b3b29c6

memory/2712-184-0x0000000004C10000-0x0000000004C18000-memory.dmp

memory/2712-185-0x0000000004C30000-0x0000000004C3A000-memory.dmp