Malware Analysis Report

2025-06-16 05:24

Sample ID 210304-ryyy8d2k6n
Target 0304_87496944093261.doc
SHA256 f096841c886b3752e0be947526ee7029860badb6af5f56cc9bfff77023f03584
Tags
hancitor 0403_nores34 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

f096841c886b3752e0be947526ee7029860badb6af5f56cc9bfff77023f03584

Threat Level: Known bad

The file 0304_87496944093261.doc was found to be: Known bad.

Malicious Activity Summary

hancitor 0403_nores34 downloader

Process spawned unexpected child process

Hancitor

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 use of WriteProcessMemory

Modifies Internet Explorer settings

Checks processor information in registry

Enumerates system info in registry

NTFS ADS

Suspicious use of SetWindowsHookEx

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Office document contains embedded OLE objects

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-03-04 17:13

Signatures

Office document contains embedded OLE objects

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2021-03-04 17:13

Reported

2021-03-04 17:15

Platform

win7v20201028

Max time kernel

69s

Max time network

18s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\0304_87496944093261.doc"

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process N/A C:\Windows\SysWOW64\rundll32.exe C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.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

Modifies Internet Explorer settings

adware spyware
Description Indicator Process Target
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 (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\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
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

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\0304_87496944093261.doc"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,MUSWRRVXHJV

Network

N/A

Files

memory/1932-2-0x0000000071EA1000-0x0000000071EA4000-memory.dmp

memory/1932-3-0x000000006F921000-0x000000006F923000-memory.dmp

memory/1932-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1984-5-0x0000000000000000-mapping.dmp

memory/1984-6-0x000007FEFB541000-0x000007FEFB543000-memory.dmp

memory/1788-7-0x0000000000000000-mapping.dmp

memory/1788-8-0x00000000750C1000-0x00000000750C3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-03-04 17:13

Reported

2021-03-04 17:15

Platform

win10v20201028

Max time kernel

137s

Max time network

150s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\0304_87496944093261.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

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\{4067D286-7B6B-470C-A279-66AB5DA6F5CE}\msals.pumpl: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

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\0304_87496944093261.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\local\temp\Static.dll,MUSWRRVXHJV

C:\Windows\SysWOW64\rundll32.exe

"C:\Windows\System32\rundll32.exe" c:\users\admin\appdata\local\temp\Static.dll,MUSWRRVXHJV

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 23.21.48.44:80 api.ipify.org tcp
N/A 8.8.8.8:53 throsesspeotte.com udp
N/A 185.183.96.157:80 throsesspeotte.com tcp
N/A 8.8.8.8:53 baadababada.ru udp
N/A 47.254.131.254:80 baadababada.ru tcp

Files

memory/3928-2-0x00007FF8C5770000-0x00007FF8C5780000-memory.dmp

memory/3928-3-0x00007FF8C5770000-0x00007FF8C5780000-memory.dmp

memory/3928-4-0x00007FF8C5770000-0x00007FF8C5780000-memory.dmp

memory/3928-5-0x00007FF8C5770000-0x00007FF8C5780000-memory.dmp

memory/3928-6-0x0000022A732E0000-0x0000022A73917000-memory.dmp

memory/1096-7-0x0000000000000000-mapping.dmp

memory/1096-8-0x0000000002850000-0x0000000002951000-memory.dmp

memory/2116-9-0x0000000000000000-mapping.dmp

\??\c:\users\admin\appdata\local\temp\Static.dll

MD5 f710d0296f0deb04993451e4db79f2fd
SHA1 36fadce4b6313930a0d09b338e39dce1253d46ed
SHA256 a9a79858c47dd66fc9951a8ba78e791f03fc36f6df893ed467e22b2d4a4bb422
SHA512 1350fd8697b3a252c765af7affa05380d80890a52dad47a0b67c9778bb377ed9ed619d3c45bd107188ac37e1f4fed51d9be044bcc276393d60b87b9861403bc1

memory/4028-11-0x0000000000000000-mapping.dmp

\Users\Admin\AppData\Local\Temp\Static.dll

MD5 f710d0296f0deb04993451e4db79f2fd
SHA1 36fadce4b6313930a0d09b338e39dce1253d46ed
SHA256 a9a79858c47dd66fc9951a8ba78e791f03fc36f6df893ed467e22b2d4a4bb422
SHA512 1350fd8697b3a252c765af7affa05380d80890a52dad47a0b67c9778bb377ed9ed619d3c45bd107188ac37e1f4fed51d9be044bcc276393d60b87b9861403bc1

memory/4028-13-0x0000000074000000-0x000000007400A000-memory.dmp

memory/4028-14-0x0000000000410000-0x0000000000411000-memory.dmp