Malware Analysis Report

2025-08-05 21:38

Sample ID 221110-mybt8shbg8
Target 39.zip
SHA256 3ea4d7de687d7cb49c0212a59af76d5b2ec1aff2c53a0703127c161d24b3a685
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 Overview

score
10/10

SHA256

3ea4d7de687d7cb49c0212a59af76d5b2ec1aff2c53a0703127c161d24b3a685

Threat Level: Known bad

The file 39.zip 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

Checks processor information in registry

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

Suspicious behavior: AddClipboardFormatListener

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-11-10 10:51

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 10:51

Reported

2022-11-10 10:54

Platform

win10v2004-20220812-en

Max time kernel

138s

Max time network

150s

Command Line

"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\39.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
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\NMDZdo.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\MpIujgLFNZzCx\\NMDZdo.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 2380 wrote to memory of 1940 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2380 wrote to memory of 1940 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 1940 wrote to memory of 1708 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1940 wrote to memory of 1708 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2380 wrote to memory of 3712 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2380 wrote to memory of 3712 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 3712 wrote to memory of 4044 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 3712 wrote to memory of 4044 N/A C:\Windows\System32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2380 wrote to memory of 960 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2380 wrote to memory of 960 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2380 wrote to memory of 2796 N/A C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE C:\Windows\System32\regsvr32.exe
PID 2380 wrote to memory of 2796 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\39.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\MpIujgLFNZzCx\NMDZdo.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\DCZEgEhgJMtrjj\BjZtRbsYoXhtzfQ.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 93.184.220.29:80 tcp
US 20.189.173.1:443 tcp
NL 142.250.179.174:443 tcp
NL 142.251.36.3:443 tcp
NL 172.217.168.237:443 tcp
NL 142.251.39.104:443 tcp
NL 142.250.179.138:443 tcp
NL 142.250.179.142:443 tcp
NL 142.250.179.130:443 tcp
NL 142.251.36.35:443 tcp
US 8.8.4.4:443 tcp
US 142.250.102.157:443 tcp
NL 142.251.39.99:443 tcp
NL 216.58.208.100:443 tcp
NL 142.250.179.131:443 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 142.250.179.170:443 tcp
NL 142.250.179.170:443 tcp
US 8.8.8.8:53 navylin.com udp
CN 47.92.133.65:80 navylin.com tcp
US 8.8.4.4:443 tcp
US 8.8.4.4:443 tcp
NL 142.251.36.3:443 tcp
NL 142.250.179.195:443 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/2380-135-0x00007FFB1B8F0000-0x00007FFB1B900000-memory.dmp

memory/2380-136-0x00007FFB1B8F0000-0x00007FFB1B900000-memory.dmp

memory/2380-137-0x00007FFB1B8F0000-0x00007FFB1B900000-memory.dmp

memory/2380-138-0x00007FFB1B8F0000-0x00007FFB1B900000-memory.dmp

memory/2380-139-0x00007FFB1B8F0000-0x00007FFB1B900000-memory.dmp

memory/2380-140-0x00007FFB19520000-0x00007FFB19530000-memory.dmp

memory/2380-141-0x00007FFB19520000-0x00007FFB19530000-memory.dmp

memory/1940-142-0x0000000000000000-mapping.dmp

C:\Users\Admin\elv1.ooocccxxx

MD5 83b59fb810300c2dbddf3f7d739d25a4
SHA1 aa67e33414d97d297a3b86871dd6a9275fdb71d1
SHA256 6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
SHA512 c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a

C:\Users\Admin\elv1.ooocccxxx

MD5 83b59fb810300c2dbddf3f7d739d25a4
SHA1 aa67e33414d97d297a3b86871dd6a9275fdb71d1
SHA256 6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
SHA512 c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a

memory/1940-145-0x0000000002DB0000-0x0000000002DDE000-memory.dmp

memory/1708-148-0x0000000000000000-mapping.dmp

C:\Windows\System32\MpIujgLFNZzCx\NMDZdo.dll

MD5 83b59fb810300c2dbddf3f7d739d25a4
SHA1 aa67e33414d97d297a3b86871dd6a9275fdb71d1
SHA256 6b2be1e6753c8b1d69abec430562268775c00784b0a2f4cf2c5e499f98a7bfdf
SHA512 c32ee574b86086d986b7177bbc011da11ad647ca8e3edbb76a6901a92fbc197d987f63b45c923aa273023ff070548caf712578e26a84f85c2eeea781ca55661a

memory/3712-153-0x0000000000000000-mapping.dmp

C:\Users\Admin\elv2.ooocccxxx

MD5 64ef5cf1771ab08a49f3d94a54c55719
SHA1 e25c8f5afb72302f27bfbbc7cc71f8b792ecf27f
SHA256 35176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced
SHA512 5c0cedf9da6fd9bbadfb0c15215a64d8617d588a08d075e5b7458f70fa76c9ce4377a681f04d75ee5705e1aff75d9f6d5277148a06f88e65b67300b04d293859

C:\Users\Admin\elv2.ooocccxxx

MD5 64ef5cf1771ab08a49f3d94a54c55719
SHA1 e25c8f5afb72302f27bfbbc7cc71f8b792ecf27f
SHA256 35176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced
SHA512 5c0cedf9da6fd9bbadfb0c15215a64d8617d588a08d075e5b7458f70fa76c9ce4377a681f04d75ee5705e1aff75d9f6d5277148a06f88e65b67300b04d293859

memory/4044-159-0x0000000000000000-mapping.dmp

C:\Windows\System32\DCZEgEhgJMtrjj\BjZtRbsYoXhtzfQ.dll

MD5 64ef5cf1771ab08a49f3d94a54c55719
SHA1 e25c8f5afb72302f27bfbbc7cc71f8b792ecf27f
SHA256 35176c03296bdc5b1e485185858246f417ebf474b1c0ad7b55b3fd88630deced
SHA512 5c0cedf9da6fd9bbadfb0c15215a64d8617d588a08d075e5b7458f70fa76c9ce4377a681f04d75ee5705e1aff75d9f6d5277148a06f88e65b67300b04d293859

memory/960-164-0x0000000000000000-mapping.dmp

memory/2796-165-0x0000000000000000-mapping.dmp

memory/2380-167-0x00007FFB1B8F0000-0x00007FFB1B900000-memory.dmp

memory/2380-168-0x00007FFB1B8F0000-0x00007FFB1B900000-memory.dmp

memory/2380-169-0x00007FFB1B8F0000-0x00007FFB1B900000-memory.dmp

memory/2380-170-0x00007FFB1B8F0000-0x00007FFB1B900000-memory.dmp