Malware Analysis Report

2025-06-16 05:24

Sample ID 210303-8h4tmmvp86
Target 0303_7987150656181.doc
SHA256 1cdb6e242c5166d15c994c0472d1d14548ce660e6c1f30c156a944b690b5946c
Tags
hancitor 0303_trew30 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

1cdb6e242c5166d15c994c0472d1d14548ce660e6c1f30c156a944b690b5946c

Threat Level: Known bad

The file 0303_7987150656181.doc was found to be: Known bad.

Malicious Activity Summary

hancitor 0303_trew30 downloader

Hancitor

Process spawned unexpected child process

Blocklisted process makes network request

Loads dropped DLL

Looks up external IP address via web service

Suspicious use of SetThreadContext

Drops file in Windows directory

Office loads VBA resources, possible macro or embedded object present

Office document contains embedded OLE objects

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Modifies Internet Explorer settings

NTFS ADS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2021-03-03 14:30

Signatures

Office document contains embedded OLE objects

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

Analysis: behavioral1

Detonation Overview

Submitted

2021-03-03 14:30

Reported

2021-03-03 14:33

Platform

win7v20201028

Max time kernel

71s

Max time network

21s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\0303_7987150656181.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
Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Key created \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
Set value (str) \REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" 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\0303_7987150656181.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,WIOYJIOLYGA

Network

N/A

Files

memory/1752-2-0x0000000072311000-0x0000000072314000-memory.dmp

memory/1752-3-0x000000006FD91000-0x000000006FD93000-memory.dmp

memory/1752-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1408-5-0x0000000000000000-mapping.dmp

memory/1408-6-0x000007FEFB811000-0x000007FEFB813000-memory.dmp

memory/1932-7-0x0000000000000000-mapping.dmp

memory/1932-8-0x0000000075EB1000-0x0000000075EB3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2021-03-03 14:30

Reported

2021-03-03 14:33

Platform

win10v20201028

Max time kernel

142s

Max time network

150s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\0303_7987150656181.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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 556 set thread context of 3508 N/A C:\Windows\SysWOW64\rundll32.exe C:\Windows\SysWOW64\svchost.exe

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE N/A
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

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\{2935C5A2-6A46-406C-9F2D-646E570EAD25}\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\0303_7987150656181.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,WIOYJIOLYGA

C:\Windows\SysWOW64\rundll32.exe

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

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 50.19.242.215:80 api.ipify.org tcp
N/A 8.8.8.8:53 mainctional.com udp
N/A 185.183.96.157:80 mainctional.com tcp
N/A 8.8.8.8:53 nvgeeforsegt.ru udp
N/A 47.254.131.254:80 nvgeeforsegt.ru tcp
N/A 50.19.242.215:80 api.ipify.org tcp
N/A 8.8.8.8:53 sweyblidian.com udp
N/A 185.100.65.29:80 sweyblidian.com tcp
N/A 185.100.65.29:80 sweyblidian.com tcp
N/A 185.100.65.29:80 sweyblidian.com tcp
N/A 185.100.65.29:80 sweyblidian.com tcp

Files

memory/4768-2-0x00007FF91BD80000-0x00007FF91BD90000-memory.dmp

memory/4768-3-0x00007FF91BD80000-0x00007FF91BD90000-memory.dmp

memory/4768-4-0x00007FF91BD80000-0x00007FF91BD90000-memory.dmp

memory/4768-5-0x00007FF942050000-0x00007FF942687000-memory.dmp

memory/4768-6-0x00007FF91BD80000-0x00007FF91BD90000-memory.dmp

memory/4224-7-0x0000000000000000-mapping.dmp

memory/4224-8-0x00000000021C0000-0x00000000022C1000-memory.dmp

memory/2156-9-0x0000000000000000-mapping.dmp

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

MD5 a32d947696078841579ce6391905141a
SHA1 5a65887f1645f71770fd03d6c1b294e1460242af
SHA256 5d37c31726e95e6ca3bd1061fe9b4cc5d8f5391040e62be3ee528f86d9206c63
SHA512 550e3ab090a7e4a0ae9ea262c2ac9c3443b854b1392b3b9a2dace9bbde819053d6d8edb2399adb7d8abd4488a798a75ef437a173aa27a959ad9ef84afcaace89

memory/556-11-0x0000000000000000-mapping.dmp

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

MD5 a32d947696078841579ce6391905141a
SHA1 5a65887f1645f71770fd03d6c1b294e1460242af
SHA256 5d37c31726e95e6ca3bd1061fe9b4cc5d8f5391040e62be3ee528f86d9206c63
SHA512 550e3ab090a7e4a0ae9ea262c2ac9c3443b854b1392b3b9a2dace9bbde819053d6d8edb2399adb7d8abd4488a798a75ef437a173aa27a959ad9ef84afcaace89

memory/556-13-0x0000000073720000-0x000000007372A000-memory.dmp

memory/556-14-0x0000000002E00000-0x0000000002E01000-memory.dmp

memory/3508-15-0x0000000000400000-0x0000000000448000-memory.dmp

memory/3508-16-0x0000000000401480-mapping.dmp

memory/3508-17-0x0000000000400000-0x0000000000448000-memory.dmp