ef484f744afb86c53c857d330a02fd863fa5e74132e4931e23d5a548e95a0e28

General

Target

catalog-1018428180.xlsm
Size

109KB
MD5

fffa5632883ccc1fb51b544c765f9d09
SHA1

a1e68be024b19e4ecfa36729805550d5e0867a59
SHA256

0478308c6f54325dc7cd8cc19133c2aa9f3bd615c6ac39f4a7973f1ab7c2c8a4
SHA512

fc9ed956ecc7d58e696f0c6bdde1c3caccedf09af93936375729de00bfa3f80f9b276ad13aac6f782bb5770d0f32f24186d4d43e04e44ce1ba1853164749778c

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	616	1360	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	756	1360	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
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\Se&nd to OneNote	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
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
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
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 (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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1360 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1360 EXCEL.EXE
1360 EXCEL.EXE
1360 EXCEL.EXE

pid	process
1360	EXCEL.EXE

pid	process
1360	EXCEL.EXE
1360	EXCEL.EXE
1360	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1360 wrote to memory of 616	1360	EXCEL.EXE	rundll32.exe
PID 1360 wrote to memory of 616	1360	EXCEL.EXE	rundll32.exe
PID 1360 wrote to memory of 616	1360	EXCEL.EXE	rundll32.exe
PID 1360 wrote to memory of 616	1360	EXCEL.EXE	rundll32.exe
PID 1360 wrote to memory of 616	1360	EXCEL.EXE	rundll32.exe
PID 1360 wrote to memory of 616	1360	EXCEL.EXE	rundll32.exe
PID 1360 wrote to memory of 616	1360	EXCEL.EXE	rundll32.exe
PID 1360 wrote to memory of 756	1360	EXCEL.EXE	rundll32.exe
PID 1360 wrote to memory of 756	1360	EXCEL.EXE	rundll32.exe
PID 1360 wrote to memory of 756	1360	EXCEL.EXE	rundll32.exe
PID 1360 wrote to memory of 756	1360	EXCEL.EXE	rundll32.exe
PID 1360 wrote to memory of 756	1360	EXCEL.EXE	rundll32.exe
PID 1360 wrote to memory of 756	1360	EXCEL.EXE	rundll32.exe
PID 1360 wrote to memory of 756	1360	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-1018428180.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1360

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:616

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:756

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

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Downloads

memory/616-63-0x0000000000000000-mapping.dmp

Download
memory/616-64-0x00000000752B1000-0x00000000752B3000-memory.dmp

Filesize
8KB

Download
memory/756-65-0x0000000000000000-mapping.dmp

Download
memory/1360-60-0x000000002F0A1000-0x000000002F0A4000-memory.dmp

Filesize
12KB

Download
memory/1360-61-0x0000000070E41000-0x0000000070E43000-memory.dmp

Filesize
8KB

Download
memory/1360-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads