Malware Analysis Report

2025-01-22 19:10

Sample ID 240723-hcea1ssbqe
Target MF_99461001_PERIODEND_P10_21.07.2024.xls
SHA256 a908acf29dde8279b28c8b1b15892cf602a90a0d387b904176d63d7eac0203b9
Tags
macro macro_on_action
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

a908acf29dde8279b28c8b1b15892cf602a90a0d387b904176d63d7eac0203b9

Threat Level: Likely malicious

The file MF_99461001_PERIODEND_P10_21.07.2024.xls was found to be: Likely malicious.

Malicious Activity Summary

macro macro_on_action

Office macro that triggers on suspicious action

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Checks processor information in registry

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-23 06:35

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

2024-07-23 06:35

Reported

2024-07-23 06:37

Platform

win7-20240705-en

Max time kernel

144s

Max time network

123s

Command Line

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\MF_99461001_PERIODEND_P10_21.07.2024.xls

Signatures

Office loads VBA resources, possible macro or embedded object present

Enumerates system info in registry

Description Indicator Process Target
Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

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

Processes

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE

"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\MF_99461001_PERIODEND_P10_21.07.2024.xls

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

Network

N/A

Files

memory/2392-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

memory/2392-1-0x000000007237D000-0x0000000072388000-memory.dmp

memory/2392-13-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-21-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-34-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-38-0x0000000007430000-0x0000000007630000-memory.dmp

memory/2392-33-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-31-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-30-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-29-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-28-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-27-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-26-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-25-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-24-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-23-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-22-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-20-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-19-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-18-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-17-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-16-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-15-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-14-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-12-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-11-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-10-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-32-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-9-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-8-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-7-0x0000000000580000-0x0000000000680000-memory.dmp

memory/2392-39-0x000000007237D000-0x0000000072388000-memory.dmp

memory/2392-40-0x0000000007430000-0x0000000007630000-memory.dmp

memory/2392-44-0x0000000007430000-0x0000000007630000-memory.dmp

memory/2392-45-0x0000000007430000-0x0000000007630000-memory.dmp

memory/2392-46-0x0000000007430000-0x0000000007630000-memory.dmp

memory/2392-47-0x0000000007430000-0x0000000007630000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-23 06:35

Reported

2024-07-23 06:37

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

127s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\MF_99461001_PERIODEND_P10_21.07.2024.xls"

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\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.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\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious behavior: AddClipboardFormatListener

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
N/A N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3212 wrote to memory of 1120 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\splwow64.exe
PID 3212 wrote to memory of 1120 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\splwow64.exe

Processes

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\MF_99461001_PERIODEND_P10_21.07.2024.xls"

C:\Windows\splwow64.exe

C:\Windows\splwow64.exe 12288

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc

Network

Country Destination Domain Proto
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 roaming.officeapps.live.com udp
NL 52.109.89.19:443 roaming.officeapps.live.com tcp
US 8.8.8.8:53 19.89.109.52.in-addr.arpa udp
US 8.8.8.8:53 97.32.109.52.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 89.65.42.20.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp

Files

memory/3212-0-0x00007FFD9B510000-0x00007FFD9B520000-memory.dmp

memory/3212-1-0x00007FFD9B510000-0x00007FFD9B520000-memory.dmp

memory/3212-3-0x00007FFD9B510000-0x00007FFD9B520000-memory.dmp

memory/3212-4-0x00007FFD9B510000-0x00007FFD9B520000-memory.dmp

memory/3212-2-0x00007FFD9B510000-0x00007FFD9B520000-memory.dmp

memory/3212-6-0x00007FFDDB490000-0x00007FFDDB685000-memory.dmp

memory/3212-5-0x00007FFDDB52D000-0x00007FFDDB52E000-memory.dmp

memory/3212-9-0x00007FFDDB490000-0x00007FFDDB685000-memory.dmp

memory/3212-10-0x00007FFDDB490000-0x00007FFDDB685000-memory.dmp

memory/3212-8-0x00007FFDDB490000-0x00007FFDDB685000-memory.dmp

memory/3212-11-0x00007FFD99090000-0x00007FFD990A0000-memory.dmp

memory/3212-7-0x00007FFDDB490000-0x00007FFDDB685000-memory.dmp

memory/3212-14-0x00007FFD99090000-0x00007FFD990A0000-memory.dmp

memory/3212-17-0x00007FFDDB490000-0x00007FFDDB685000-memory.dmp

memory/3212-20-0x00007FFDDB490000-0x00007FFDDB685000-memory.dmp

memory/3212-21-0x00007FFDDB490000-0x00007FFDDB685000-memory.dmp

memory/3212-19-0x00007FFDDB490000-0x00007FFDDB685000-memory.dmp

memory/3212-18-0x00007FFDDB490000-0x00007FFDDB685000-memory.dmp

memory/3212-16-0x00007FFDDB490000-0x00007FFDDB685000-memory.dmp

memory/3212-15-0x00007FFDDB490000-0x00007FFDDB685000-memory.dmp

memory/3212-13-0x00007FFDDB490000-0x00007FFDDB685000-memory.dmp

memory/3212-12-0x00007FFDDB490000-0x00007FFDDB685000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\UProof\CUSTOM.DIC

MD5 d29962abc88624befc0135579ae485ec
SHA1 e40a6458296ec6a2427bcb280572d023a9862b31
SHA256 a91a702aab9b8dd722843d3d208a21bcfa6556dfc64e2ded63975de4511eb866
SHA512 4311e87d8d5559248d4174908817a4ddc917bf7378114435cf12da8ccb7a1542c851812afbaf7dc106771bdb2e2d05f52e7d0c50d110fc7fffe4395592492c2f

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\b8ab77100df80ab2.customDestinations-ms

MD5 3c0cb44aac81bc0d3c25c0c7087df805
SHA1 cc8a19e01636d65c12613f2d0c1936526bdaee2c
SHA256 0f0c645a2f18ba9a9b1422be5c16c0bf718e8470dd04c7f65091f48606ee95c5
SHA512 42049eb569ace803f0e858e95c1d25300ce81569ba540ae72bef77be94ed4108f6174a2c1873c2f6cce8561282756dc42eea69de655c474410701c098ee76cad

memory/3212-57-0x00007FFDDB490000-0x00007FFDDB685000-memory.dmp