Malware Analysis Report

2025-01-22 19:10

Sample ID 240723-1c777szcqj
Target c4fb497effaa65225ba4632d7ec1fc9059d8c43a54de1a005dc88da936a19072
SHA256 c4fb497effaa65225ba4632d7ec1fc9059d8c43a54de1a005dc88da936a19072
Tags
macro macro_on_action discovery
score
8/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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
8/10

SHA256

c4fb497effaa65225ba4632d7ec1fc9059d8c43a54de1a005dc88da936a19072

Threat Level: Likely malicious

The file c4fb497effaa65225ba4632d7ec1fc9059d8c43a54de1a005dc88da936a19072 was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action discovery

Office macro that triggers on suspicious action

Suspicious Office macro

Drops file in Windows directory

System Location Discovery: System Language Discovery

Office loads VBA resources, possible macro or embedded object present

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Suspicious behavior: AddClipboardFormatListener

Checks processor information in registry

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-23 21:31

Signatures

Office macro that triggers on suspicious action

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

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-23 21:31

Reported

2024-07-23 21:32

Platform

win7-20240708-en

Max time kernel

59s

Max time network

35s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\c4fb497effaa65225ba4632d7ec1fc9059d8c43a54de1a005dc88da936a19072.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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

Office loads VBA resources, possible macro or embedded object present

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE N/A
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\c4fb497effaa65225ba4632d7ec1fc9059d8c43a54de1a005dc88da936a19072.doc"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

Network

Country Destination Domain Proto
N/A 10.0.10.161:13453 tcp
N/A 10.0.10.161:13453 tcp

Files

memory/1016-6-0x0000000000400000-0x0000000000500000-memory.dmp

memory/1016-5-0x0000000000400000-0x0000000000500000-memory.dmp

memory/1016-4-0x0000000000400000-0x0000000000500000-memory.dmp

memory/1016-2-0x0000000070F8D000-0x0000000070F98000-memory.dmp

memory/1016-1-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/1016-0-0x000000002FDF1000-0x000000002FDF2000-memory.dmp

memory/1016-7-0x0000000070F8D000-0x0000000070F98000-memory.dmp

memory/1016-8-0x0000000000400000-0x0000000000500000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-23 21:31

Reported

2024-07-23 21:32

Platform

win10v2004-20240709-en

Max time kernel

37s

Max time network

39s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\c4fb497effaa65225ba4632d7ec1fc9059d8c43a54de1a005dc88da936a19072.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\c4fb497effaa65225ba4632d7ec1fc9059d8c43a54de1a005dc88da936a19072.doc" /o ""

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.143.123.92.in-addr.arpa udp
N/A 10.0.10.161:13453 tcp
US 8.8.8.8:53 roaming.officeapps.live.com udp
GB 52.109.28.47:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 64.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 18.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 47.28.109.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 137.71.105.51.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp

Files

memory/1712-0-0x00007FFC95770000-0x00007FFC95780000-memory.dmp

memory/1712-2-0x00007FFC95770000-0x00007FFC95780000-memory.dmp

memory/1712-3-0x00007FFC95770000-0x00007FFC95780000-memory.dmp

memory/1712-1-0x00007FFCD578D000-0x00007FFCD578E000-memory.dmp

memory/1712-4-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

memory/1712-8-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

memory/1712-7-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

memory/1712-10-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

memory/1712-14-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

memory/1712-13-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

memory/1712-15-0x00007FFC932A0000-0x00007FFC932B0000-memory.dmp

memory/1712-16-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

memory/1712-18-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

memory/1712-17-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

memory/1712-12-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

memory/1712-11-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

memory/1712-9-0x00007FFC95770000-0x00007FFC95780000-memory.dmp

memory/1712-6-0x00007FFC95770000-0x00007FFC95780000-memory.dmp

memory/1712-5-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

memory/1712-19-0x00007FFC932A0000-0x00007FFC932B0000-memory.dmp

memory/1712-25-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

memory/1712-26-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\fb3b0dbfee58fac8.customDestinations-ms

MD5 0327dc7bc1da34616c389697f6fb7616
SHA1 e9c4eed49f4335a6d4fd4f396760a9079bab854a
SHA256 8e5cd3e830a26b0b4ac48566b28bebc5de162677b9308b5cbdacb3a547107021
SHA512 45f93985053aff773d29ac4b2f99ce515461681cb9706c4ca1a682e41583b9bc164b22180fc03fd8da93037ef0d24ac6f85e4ac35afb8758cf6f0a34aaaacfd2

memory/1712-41-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

memory/1712-42-0x00007FFCD578D000-0x00007FFCD578E000-memory.dmp

memory/1712-43-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp

memory/1712-44-0x00007FFCD56F0000-0x00007FFCD58E5000-memory.dmp