6d23353ea144bc8fffdd7c64b4c0133a3014da52e63b29e42f7899463f9d21ee

General

Target

catalog-103008386.xlsm
Size

109KB
MD5

bbc1f597a36d9a9084ce6819da4a2238
SHA1

f34a6903e07dd93a5a3d43e79bf1dd0d6a51d4a3
SHA256

67c60716701000bde79b4fccb4d17da1b02a61628a0cf93a98b610fb236fab2b
SHA512

c4dfd926235ec4d0d68d961114c680d7cc372b2bf51210a49cca6e4f02d133127f874fc49e16fbfa845285e2d77f1d4d72b729128c5e073893312638adf2789f

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	1648	1944	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	408	1944	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-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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

1944 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1944 EXCEL.EXE
1944 EXCEL.EXE
1944 EXCEL.EXE

pid	process
1944	EXCEL.EXE

pid	process
1944	EXCEL.EXE
1944	EXCEL.EXE
1944	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1944 wrote to memory of 1648	1944	EXCEL.EXE	rundll32.exe
PID 1944 wrote to memory of 1648	1944	EXCEL.EXE	rundll32.exe
PID 1944 wrote to memory of 1648	1944	EXCEL.EXE	rundll32.exe
PID 1944 wrote to memory of 1648	1944	EXCEL.EXE	rundll32.exe
PID 1944 wrote to memory of 1648	1944	EXCEL.EXE	rundll32.exe
PID 1944 wrote to memory of 1648	1944	EXCEL.EXE	rundll32.exe
PID 1944 wrote to memory of 1648	1944	EXCEL.EXE	rundll32.exe
PID 1944 wrote to memory of 408	1944	EXCEL.EXE	rundll32.exe
PID 1944 wrote to memory of 408	1944	EXCEL.EXE	rundll32.exe
PID 1944 wrote to memory of 408	1944	EXCEL.EXE	rundll32.exe
PID 1944 wrote to memory of 408	1944	EXCEL.EXE	rundll32.exe
PID 1944 wrote to memory of 408	1944	EXCEL.EXE	rundll32.exe
PID 1944 wrote to memory of 408	1944	EXCEL.EXE	rundll32.exe
PID 1944 wrote to memory of 408	1944	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-103008386.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1944

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1648

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:408

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

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Downloads

memory/408-65-0x0000000000000000-mapping.dmp

Download
memory/1648-63-0x0000000000000000-mapping.dmp

Download
memory/1648-64-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download
memory/1944-60-0x000000002FEE1000-0x000000002FEE4000-memory.dmp

Filesize
12KB

Download
memory/1944-61-0x0000000071141000-0x0000000071143000-memory.dmp

Filesize
8KB

Download
memory/1944-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads