Malware Analysis Report

2025-08-05 21:38

Sample ID 221110-my39gsbahn
Target 26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5.xls
SHA256 26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5
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

26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5

Threat Level: Known bad

The file 26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5.xls was found to be: Known bad.

Malicious Activity Summary

macro xlm emotet epoch5 banker persistence trojan

Process spawned unexpected child process

Emotet

Suspicious Office macro

Downloads MZ/PE file

Loads dropped DLL

Adds Run key to start application

Suspicious behavior: AddClipboardFormatListener

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Enumerates system info in registry

Checks processor information in registry

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-10 10:53

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 10:53

Reported

2022-11-10 10:55

Platform

win10-20220812-en

Max time kernel

128s

Max time network

152s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5.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\26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5.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 100.68.94.1:443 bosny.com tcp
US 8.8.8.8:53 navylin.com udp
N/A 100.66.77.103:80 navylin.com tcp
US 8.8.8.8:53 asrani.garudaputih.com udp
N/A 100.121.117.140:80 asrani.garudaputih.com tcp
US 8.8.8.8:53 db.rikaz.tech udp
N/A 100.123.169.231:80 db.rikaz.tech tcp

Files

memory/2648-115-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

memory/2648-116-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

memory/2648-117-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

memory/2648-118-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

memory/2648-127-0x00007FFC2E8D0000-0x00007FFC2E8E0000-memory.dmp

memory/2648-128-0x00007FFC2E8D0000-0x00007FFC2E8E0000-memory.dmp

memory/4244-251-0x0000000000000000-mapping.dmp

memory/4276-252-0x0000000000000000-mapping.dmp

memory/2448-253-0x0000000000000000-mapping.dmp

memory/692-254-0x0000000000000000-mapping.dmp

memory/2648-293-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

memory/2648-294-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

memory/2648-295-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

memory/2648-296-0x00007FFC31C40000-0x00007FFC31C50000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-11-10 10:53

Reported

2022-11-10 10:55

Platform

win10-20220812-en

Max time kernel

145s

Max time network

147s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5.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\DbdK.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\RNWzCM\\DbdK.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 3812 wrote to memory of 4876 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 3812 wrote to memory of 4876 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 4876 wrote to memory of 4768 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 4876 wrote to memory of 4768 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 3812 wrote to memory of 1848 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 3812 wrote to memory of 1848 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 1848 wrote to memory of 1804 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1848 wrote to memory of 1804 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 3812 wrote to memory of 1636 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 3812 wrote to memory of 1636 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 3812 wrote to memory of 428 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 3812 wrote to memory of 428 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\26945232c42add0072d308f4d29ebf627f16b94e6f1b11ea2ff8af75e97e9cd5.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\RNWzCM\DbdK.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\AgxqYxUSRHqeYZ\EywmtMqXEEyZjSLu.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 52.109.13.62:443 tcp
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 20.42.65.85:443 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

Files

memory/3812-116-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp

memory/3812-117-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp

memory/3812-118-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp

memory/3812-119-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp

memory/3812-128-0x00007FFE48FF0000-0x00007FFE49000000-memory.dmp

memory/3812-129-0x00007FFE48FF0000-0x00007FFE49000000-memory.dmp

memory/4876-265-0x0000000000000000-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/4876-268-0x0000000000610000-0x000000000063E000-memory.dmp

memory/4768-276-0x0000000000000000-mapping.dmp

memory/1848-282-0x0000000000000000-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/1804-290-0x0000000000000000-mapping.dmp

memory/1636-296-0x0000000000000000-mapping.dmp

memory/428-297-0x0000000000000000-mapping.dmp

memory/3812-324-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp

memory/3812-325-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp

memory/3812-326-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp

memory/3812-327-0x00007FFE4C930000-0x00007FFE4C940000-memory.dmp