Malware Analysis Report

2025-08-05 21:39

Sample ID 221110-mw9y9ahbf9
Target 271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63.xls
SHA256 271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63
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: 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

271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63

Threat Level: Known bad

The file 271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63.xls was found to be: Known bad.

Malicious Activity Summary

emotet epoch5 banker persistence trojan macro xlm

Process spawned unexpected child process

Emotet

Suspicious Office macro

Downloads MZ/PE file

Loads dropped DLL

Adds Run key to start application

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

Suspicious behavior: AddClipboardFormatListener

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Enumerates system info in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-10 10:50

Signatures

Suspicious Office macro

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-11-10 10:50

Reported

2022-11-10 10:52

Platform

win10-20220901-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63.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 value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE N/A
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

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\271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63.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 bosny.com udp
N/A 100.91.160.38:443 bosny.com tcp
US 8.8.8.8:53 navylin.com udp
N/A 100.112.244.212:80 navylin.com tcp
US 8.8.8.8:53 asrani.garudaputih.com udp
N/A 100.120.104.203:80 asrani.garudaputih.com tcp
US 8.8.8.8:53 db.rikaz.tech udp
N/A 100.124.176.253:80 db.rikaz.tech tcp

Files

memory/2820-120-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

memory/2820-121-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

memory/2820-122-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

memory/2820-123-0x00007FFCC7A70000-0x00007FFCC7A80000-memory.dmp

memory/2820-132-0x00007FFCC4B10000-0x00007FFCC4B20000-memory.dmp

memory/2820-133-0x00007FFCC4B10000-0x00007FFCC4B20000-memory.dmp

memory/4272-256-0x0000000000000000-mapping.dmp

memory/3992-257-0x0000000000000000-mapping.dmp

memory/4928-258-0x0000000000000000-mapping.dmp

memory/5024-259-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-10 10:50

Reported

2022-11-10 10:52

Platform

win10-20220901-en

Max time kernel

144s

Max time network

129s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63.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

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\gtKgYNgcl.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\LlIGTibwSza\\gtKgYNgcl.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\iFDkKRn.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\MEzrC\\iFDkKRn.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 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 WriteProcessMemory

Description Indicator Process Target
PID 2744 wrote to memory of 4528 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2744 wrote to memory of 4528 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 4528 wrote to memory of 4412 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 4528 wrote to memory of 4412 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2744 wrote to memory of 3088 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2744 wrote to memory of 3088 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 3088 wrote to memory of 1944 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 3088 wrote to memory of 1944 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2744 wrote to memory of 1640 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2744 wrote to memory of 1640 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2744 wrote to memory of 1464 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2744 wrote to memory of 1464 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.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\271d33b512c4ee37e4838eb1d7393de085e387b20d493304eb356bfa60b24e63.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\LlIGTibwSza\gtKgYNgcl.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\MEzrC\iFDkKRn.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

Network

Country Destination Domain Proto
US 8.8.8.8:53 bosny.com udp
TH 203.151.59.20:443 bosny.com tcp
US 8.8.8.8:53 navylin.com udp
CN 47.92.133.65:80 navylin.com tcp
US 20.42.73.27:443 tcp
NL 84.53.175.11:80 tcp
ID 115.178.55.22:80 115.178.55.22 tcp
US 8.8.8.8:53 asrani.garudaputih.com udp
SG 51.79.133.157:80 asrani.garudaputih.com tcp
US 8.8.8.8:53 db.rikaz.tech udp
DE 135.125.230.197:80 db.rikaz.tech tcp
ID 115.178.55.22:80 115.178.55.22 tcp

Files

memory/2744-120-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

memory/2744-121-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

memory/2744-122-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

memory/2744-123-0x00007FFC91840000-0x00007FFC91850000-memory.dmp

memory/2744-132-0x00007FFC8E0F0000-0x00007FFC8E100000-memory.dmp

memory/2744-133-0x00007FFC8E0F0000-0x00007FFC8E100000-memory.dmp

memory/4528-283-0x0000000000000000-mapping.dmp

C:\Users\Admin\elv1.ooocccxxx

MD5 83b59fb810300c2dbddf3f7d739d25a4
SHA1 aa67e33414d97d297a3b86871dd6a9275fdb71d1
SHA256 6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
SHA512 c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a

\Users\Admin\elv1.ooocccxxx

MD5 83b59fb810300c2dbddf3f7d739d25a4
SHA1 aa67e33414d97d297a3b86871dd6a9275fdb71d1
SHA256 6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
SHA512 c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a

memory/4412-296-0x0000000000000000-mapping.dmp

memory/4412-297-0x00000000026E0000-0x000000000270E000-memory.dmp

memory/3088-302-0x0000000000000000-mapping.dmp

C:\Users\Admin\elv2.ooocccxxx

MD5 64ef5cf1771ab08a49f3d94a54c55719
SHA1 e25c8f5afb72302f27bfbbc7cc71f8b792ecf27f
SHA256 35176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced
SHA512 5c0cedf9da6fd9bbadfb0c15215a64d8617d588a08d075e5b7458f70fa76c9ce4377a681f04d75ee5705e1aff75d9f6d5277148a06f88e65b67300b04d293859

\Users\Admin\elv2.ooocccxxx

MD5 64ef5cf1771ab08a49f3d94a54c55719
SHA1 e25c8f5afb72302f27bfbbc7cc71f8b792ecf27f
SHA256 35176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced
SHA512 5c0cedf9da6fd9bbadfb0c15215a64d8617d588a08d075e5b7458f70fa76c9ce4377a681f04d75ee5705e1aff75d9f6d5277148a06f88e65b67300b04d293859

memory/1944-310-0x0000000000000000-mapping.dmp

memory/1640-316-0x0000000000000000-mapping.dmp

memory/1464-317-0x0000000000000000-mapping.dmp