Malware Analysis Report

2025-08-05 21:39

Sample ID 221110-mr23vabacm
Target 86dab2ea12761b285443fb7be4a5a9eca8541d1c5f7eafc3b9335b727b868278.xls
SHA256 86dab2ea12761b285443fb7be4a5a9eca8541d1c5f7eafc3b9335b727b868278
Tags
macro xlm emotet epoch5 banker persistence trojan
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

86dab2ea12761b285443fb7be4a5a9eca8541d1c5f7eafc3b9335b727b868278

Threat Level: Known bad

The file 86dab2ea12761b285443fb7be4a5a9eca8541d1c5f7eafc3b9335b727b868278.xls was found to be: Known bad.

Malicious Activity Summary

macro xlm emotet epoch5 banker persistence trojan

Emotet

Process spawned unexpected child process

Suspicious Office macro

Downloads MZ/PE file

Loads dropped DLL

Adds Run key to start application

Suspicious behavior: EnumeratesProcesses

Checks processor information in registry

Suspicious use of SetWindowsHookEx

Enumerates system info in registry

Suspicious use of WriteProcessMemory

Suspicious use of FindShellTrayWindow

Suspicious behavior: AddClipboardFormatListener

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-10 10:42

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 10:42

Reported

2022-11-10 10:45

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\86dab2ea12761b285443fb7be4a5a9eca8541d1c5f7eafc3b9335b727b868278.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\86dab2ea12761b285443fb7be4a5a9eca8541d1c5f7eafc3b9335b727b868278.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 100.64.57.109:443 bosny.com tcp
US 8.8.8.8:53 navylin.com udp
N/A 100.99.249.248:80 navylin.com tcp
US 8.8.8.8:53 asrani.garudaputih.com udp
N/A 100.124.210.57:80 asrani.garudaputih.com tcp
US 8.8.8.8:53 db.rikaz.tech udp
N/A 100.94.168.239:80 db.rikaz.tech tcp
NL 52.178.17.3:443 tcp
NL 178.79.208.1:80 tcp

Files

memory/5016-119-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

memory/5016-120-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

memory/5016-121-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

memory/5016-122-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

memory/5016-131-0x00007FFAED120000-0x00007FFAED130000-memory.dmp

memory/5016-132-0x00007FFAED120000-0x00007FFAED130000-memory.dmp

memory/3220-255-0x0000000000000000-mapping.dmp

memory/3228-256-0x0000000000000000-mapping.dmp

memory/3084-257-0x0000000000000000-mapping.dmp

memory/4380-258-0x0000000000000000-mapping.dmp

memory/5016-297-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

memory/5016-298-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

memory/5016-299-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

memory/5016-300-0x00007FFAF0250000-0x00007FFAF0260000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-10 10:42

Reported

2022-11-10 10:45

Platform

win10-20220812-en

Max time kernel

125s

Max time network

136s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\86dab2ea12761b285443fb7be4a5a9eca8541d1c5f7eafc3b9335b727b868278.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\LWtOuuDOh.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\CDlUbGnVsx\\LWtOuuDOh.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\CBCZ.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\WXZbEkfOMuwmhh\\CBCZ.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\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
Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS 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 2692 wrote to memory of 4896 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2692 wrote to memory of 4896 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 4896 wrote to memory of 580 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 4896 wrote to memory of 580 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2692 wrote to memory of 1448 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2692 wrote to memory of 1448 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 1448 wrote to memory of 1784 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1448 wrote to memory of 1784 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2692 wrote to memory of 5032 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2692 wrote to memory of 5032 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2692 wrote to memory of 3388 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2692 wrote to memory of 3388 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\86dab2ea12761b285443fb7be4a5a9eca8541d1c5f7eafc3b9335b727b868278.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\CDlUbGnVsx\LWtOuuDOh.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\WXZbEkfOMuwmhh\CBCZ.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
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/2692-118-0x00007FF9194F0000-0x00007FF919500000-memory.dmp

memory/2692-119-0x00007FF9194F0000-0x00007FF919500000-memory.dmp

memory/2692-120-0x00007FF9194F0000-0x00007FF919500000-memory.dmp

memory/2692-121-0x00007FF9194F0000-0x00007FF919500000-memory.dmp

memory/2692-130-0x00007FF9159F0000-0x00007FF915A00000-memory.dmp

memory/2692-131-0x00007FF9159F0000-0x00007FF915A00000-memory.dmp

memory/4896-284-0x0000000000000000-mapping.dmp

C:\Users\Admin\elv1.ooocccxxx

MD5 d91b16ead21c4a8468e0e411b4104b8b
SHA1 e014b2034b852c53ff4528f7ae80cd2dd7c0e8d7
SHA256 d96d07555698b46be58865d8f65d0553b6a64bffae36072507291175b23876ca
SHA512 18c0d7831717f87c300cede2cffffcc002a33ded4b48fb19fc9225c0553c185cadef7eeab2d41248ed6b7b66be95b170f9bb482f1d2720daf982f0ca4790674a

\Users\Admin\elv1.ooocccxxx

MD5 d91b16ead21c4a8468e0e411b4104b8b
SHA1 e014b2034b852c53ff4528f7ae80cd2dd7c0e8d7
SHA256 d96d07555698b46be58865d8f65d0553b6a64bffae36072507291175b23876ca
SHA512 18c0d7831717f87c300cede2cffffcc002a33ded4b48fb19fc9225c0553c185cadef7eeab2d41248ed6b7b66be95b170f9bb482f1d2720daf982f0ca4790674a

memory/4896-287-0x00000000009B0000-0x00000000009DE000-memory.dmp

memory/580-295-0x0000000000000000-mapping.dmp

memory/1448-301-0x0000000000000000-mapping.dmp

C:\Users\Admin\elv2.ooocccxxx

MD5 d8d225350e7e511598ca5e62139ab35b
SHA1 9840cf8f5a2d06c74ac3986f62c8c951c87c99cc
SHA256 e5d587bc2bffd9e7c7508bc09518aa67ee8c05286ebd09bbbe1323c4fb560966
SHA512 751a6bfc41d086e6327b895f2f06bb3fa4653919e1280dc0786fb4ff989304b03baeaee6dc65533870e1653a46979a70e26851893b9e41c146242adf7862307f

\Users\Admin\elv2.ooocccxxx

MD5 d8d225350e7e511598ca5e62139ab35b
SHA1 9840cf8f5a2d06c74ac3986f62c8c951c87c99cc
SHA256 e5d587bc2bffd9e7c7508bc09518aa67ee8c05286ebd09bbbe1323c4fb560966
SHA512 751a6bfc41d086e6327b895f2f06bb3fa4653919e1280dc0786fb4ff989304b03baeaee6dc65533870e1653a46979a70e26851893b9e41c146242adf7862307f

memory/1784-309-0x0000000000000000-mapping.dmp

memory/5032-315-0x0000000000000000-mapping.dmp

memory/3388-316-0x0000000000000000-mapping.dmp

memory/2692-342-0x00007FF9194F0000-0x00007FF919500000-memory.dmp

memory/2692-343-0x00007FF9194F0000-0x00007FF919500000-memory.dmp

memory/2692-344-0x00007FF9194F0000-0x00007FF919500000-memory.dmp

memory/2692-345-0x00007FF9194F0000-0x00007FF919500000-memory.dmp