563fea3374289fd1811524eac5c9cd98d46a4f580dc4bb4821e8c8b7e6719545

General

Target

catalog-1005288061.xlsm
Size

109KB
MD5

fc37bfa1cfb3ba7096846d98b91d6b75
SHA1

714d99891d3f570eed053ae8aee0c215e470da94
SHA256

4aa1b8d61bdb6cf73b3986bec76d81dd03573b694b58372144dc85972dc9387f
SHA512

d97dc445f8c52b3c6059cd2bb643d5f5bb89a4371e5eddbf5031086d23053878339987a75121e376991838fea1d2ad451d687d45849269c4398ed8b32349565b

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://immobiliareneri.casa/drms/ind.html

xlm40.dropper

https://gidbasket.com/drms/ind.html

Signatures

Process spawned unexpected child process 2 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.exerundll32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	620	788	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	732	788	rundll32.exe	EXCEL.EXE

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry
T1012

System Information Discovery
T1082

Processes:

EXCEL.EXE

description ioc process

Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Modifies Internet Explorer settings 1 TTPs 9 IoCs

adware spyware

Modify Registry

T1112

Processes:

EXCEL.EXE

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

788 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

788 EXCEL.EXE
788 EXCEL.EXE
788 EXCEL.EXE

pid	process
788	EXCEL.EXE

pid	process
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 788 wrote to memory of 620	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 620	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 620	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 620	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 620	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 620	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 620	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 732	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 732	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 732	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 732	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 732	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 732	788	EXCEL.EXE	rundll32.exe
PID 788 wrote to memory of 732	788	EXCEL.EXE	rundll32.exe

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\catalog-1005288061.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:788

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:620

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:732

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/620-62-0x0000000000000000-mapping.dmp

Download
memory/620-63-0x0000000075551000-0x0000000075553000-memory.dmp

Filesize
8KB

Download
memory/732-64-0x0000000000000000-mapping.dmp

Download
memory/788-59-0x000000002FB81000-0x000000002FB84000-memory.dmp

Filesize
12KB

Download
memory/788-60-0x0000000071391000-0x0000000071393000-memory.dmp

Filesize
8KB

Download
memory/788-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads