Malware Analysis Report

2025-08-05 21:39

Sample ID 221110-mwwfvshbf7
Target 4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1.xls
SHA256 4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1
Tags
emotet epoch5 banker persistence trojan macro xlm
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1

Threat Level: Known bad

The file 4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1.xls was found to be: Known bad.

Malicious Activity Summary

emotet epoch5 banker persistence trojan macro xlm

Emotet

Process spawned unexpected child process

Downloads MZ/PE file

Suspicious Office macro

Loads dropped DLL

Adds Run key to start application

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious behavior: AddClipboardFormatListener

Checks processor information in registry

Suspicious use of WriteProcessMemory

Enumerates system info in registry

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-10 10:49

Signatures

Suspicious Office macro

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

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-10 10:49

Reported

2022-11-10 10:52

Platform

win10-20220812-en

Max time kernel

101s

Max time network

128s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1.xls"

Signatures

Emotet

trojan banker emotet

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

Downloads MZ/PE file

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Windows\System32\regsvr32.exe N/A
N/A N/A C:\Windows\System32\regsvr32.exe N/A
N/A N/A C:\Windows\System32\regsvr32.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Windows\system32\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FyzKHZTpnwgiWN.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\MHSJKdgpBCebF\\FyzKHZTpnwgiWN.dll\"" C:\Windows\system32\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Windows\system32\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\mIGyTHSdbqrR.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\GluDPtjkGts\\mIGyTHSdbqrR.dll\"" C:\Windows\system32\regsvr32.exe N/A
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Windows\system32\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bfAIARf.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\ENBmUCej\\bfAIARf.dll\"" C:\Windows\system32\regsvr32.exe 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\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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
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

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 WriteProcessMemory

Description Indicator Process Target
PID 2708 wrote to memory of 4212 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2708 wrote to memory of 4212 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 4212 wrote to memory of 2924 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 4212 wrote to memory of 2924 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2708 wrote to memory of 4724 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2708 wrote to memory of 4724 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 4724 wrote to memory of 4564 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 4724 wrote to memory of 4564 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2708 wrote to memory of 520 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2708 wrote to memory of 520 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2708 wrote to memory of 1436 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2708 wrote to memory of 1436 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 1436 wrote to memory of 2304 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1436 wrote to memory of 2304 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.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\4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1.xls"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\MHSJKdgpBCebF\FyzKHZTpnwgiWN.dll"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\GluDPtjkGts\mIGyTHSdbqrR.dll"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\ENBmUCej\bfAIARf.dll"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.conceptagency.net udp
DE 149.102.137.213:443 www.conceptagency.net tcp
US 8.8.8.8:53 bencevendeghaz.hu udp
HU 185.6.139.30:443 bencevendeghaz.hu tcp
SG 45.32.114.141:80 tcp
US 8.8.8.8:53 ruitaiwz.com udp
HK 45.207.116.84:80 ruitaiwz.com tcp
ID 115.178.55.22:80 115.178.55.22 tcp
JP 40.79.189.58:443 tcp
ID 115.178.55.22:80 115.178.55.22 tcp
ID 115.178.55.22:80 115.178.55.22 tcp

Files

memory/2708-115-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

memory/2708-116-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

memory/2708-117-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

memory/2708-118-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

memory/2708-127-0x00007FFA09D90000-0x00007FFA09DA0000-memory.dmp

memory/2708-128-0x00007FFA09D90000-0x00007FFA09DA0000-memory.dmp

memory/4212-274-0x0000000000000000-mapping.dmp

C:\Users\Admin\elv1.ooocccxxx

MD5 d3939ddb4bc6489d93abbe27357c343a
SHA1 e52999b881200818ea801c44e3c4645f0501f582
SHA256 df774d7b5b0f5e44f6047486ff3641e298208621a1f217027c71e0a874a65313
SHA512 d3d969c163fdfaee7213741cc8a79ab4685522a53241550c92c17d96577c406e59687eabb79b8d9f070bf98f53822fc0f66e60a08779f47a3eb20cb20ffe108a

\Users\Admin\elv1.ooocccxxx

MD5 d3939ddb4bc6489d93abbe27357c343a
SHA1 e52999b881200818ea801c44e3c4645f0501f582
SHA256 df774d7b5b0f5e44f6047486ff3641e298208621a1f217027c71e0a874a65313
SHA512 d3d969c163fdfaee7213741cc8a79ab4685522a53241550c92c17d96577c406e59687eabb79b8d9f070bf98f53822fc0f66e60a08779f47a3eb20cb20ffe108a

memory/2924-287-0x0000000000000000-mapping.dmp

memory/2924-289-0x0000000002E40000-0x0000000002E6E000-memory.dmp

memory/4724-293-0x0000000000000000-mapping.dmp

C:\Users\Admin\elv2.ooocccxxx

MD5 e13fecff6dc982531324cdba4f224d1d
SHA1 0de9ca7b8770ce588684237d2739d456bc64dade
SHA256 78b7f834255ee4c7e897393c70172de692415c784bcaeedf1cd304fe1ce401e0
SHA512 0e159d00676d286d104631f80a1989e308037fde82ddae495628866a1ad49059705fb9c47d7f612a108bbbb0d3f540695782dec3c4b389a56c4ac91a28a8653b

\Users\Admin\elv2.ooocccxxx

MD5 e13fecff6dc982531324cdba4f224d1d
SHA1 0de9ca7b8770ce588684237d2739d456bc64dade
SHA256 78b7f834255ee4c7e897393c70172de692415c784bcaeedf1cd304fe1ce401e0
SHA512 0e159d00676d286d104631f80a1989e308037fde82ddae495628866a1ad49059705fb9c47d7f612a108bbbb0d3f540695782dec3c4b389a56c4ac91a28a8653b

memory/4564-304-0x0000000000000000-mapping.dmp

memory/520-312-0x0000000000000000-mapping.dmp

memory/1436-313-0x0000000000000000-mapping.dmp

C:\Users\Admin\elv4.ooocccxxx

MD5 367f5a09ff767c1961c5e32ffb7c3df6
SHA1 209c1fb954f11624895012663d34a01cf330b161
SHA256 8b92d9155e6bb80c94deb9a3d0c623286e3bd4be90b68ac1be3b8d12ad06697a
SHA512 4b2317b0c0bef2b2f948d7eccd36c7adced411437519b00e46de8921d3f720103c5b07d1f97dcb0363572d0d3930ae98bcab60812e8d0e8aa680619241585664

\Users\Admin\elv4.ooocccxxx

MD5 367f5a09ff767c1961c5e32ffb7c3df6
SHA1 209c1fb954f11624895012663d34a01cf330b161
SHA256 8b92d9155e6bb80c94deb9a3d0c623286e3bd4be90b68ac1be3b8d12ad06697a
SHA512 4b2317b0c0bef2b2f948d7eccd36c7adced411437519b00e46de8921d3f720103c5b07d1f97dcb0363572d0d3930ae98bcab60812e8d0e8aa680619241585664

memory/2304-321-0x0000000000000000-mapping.dmp

memory/2708-351-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

memory/2708-352-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

memory/2708-353-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

memory/2708-354-0x00007FFA0D4D0000-0x00007FFA0D4E0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-10 10:49

Reported

2022-11-10 10:52

Platform

win10-20220812-en

Max time kernel

128s

Max time network

130s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1.xls"

Signatures

Process spawned unexpected child process

Description Indicator Process Target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process N/A C:\Windows\System32\regsvr32.exe C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE

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

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\4dd025eac490dea6ca27aeae8d65af1fdef2cb63b097be0cc05d822fe0a1b0d1.xls"

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx

C:\Windows\System32\regsvr32.exe

C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.conceptagency.net udp
N/A 100.108.44.127:443 www.conceptagency.net tcp
US 8.8.8.8:53 bencevendeghaz.hu udp
N/A 100.97.221.196:443 bencevendeghaz.hu tcp
SG 45.32.114.141:80 45.32.114.141 tcp
US 8.8.8.8:53 ruitaiwz.com udp
N/A 100.107.242.86:80 ruitaiwz.com tcp
IE 20.50.80.210:443 tcp
N/A 10.127.0.1:12080 tcp

Files

memory/4668-115-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp

memory/4668-116-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp

memory/4668-117-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp

memory/4668-118-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp

memory/4668-127-0x00007FFC75BA0000-0x00007FFC75BB0000-memory.dmp

memory/4668-128-0x00007FFC75BA0000-0x00007FFC75BB0000-memory.dmp

memory/3904-267-0x0000000000000000-mapping.dmp

memory/3888-270-0x0000000000000000-mapping.dmp

memory/2080-271-0x0000000000000000-mapping.dmp

memory/3016-272-0x0000000000000000-mapping.dmp

memory/4668-309-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp

memory/4668-310-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp

memory/4668-311-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp

memory/4668-312-0x00007FFC78A50000-0x00007FFC78A60000-memory.dmp