362649a8a5db8ab4cbd383ad8325a407a425458613e6508f6fdf10c5fd13da5d

General

Target

catalog-101660541.xlsm
Size

109KB
MD5

65f4ca3b9c15bddd065d2ae31868c044
SHA1

ec8c10e4ea017dc1e2f4eaff64f7f78ac8bd7281
SHA256

8795349c5c77646383f490600a88d661dfb900b34f1e28d4c759b9d7d3a1e355
SHA512

d7c6019c2b9b6d06f86b7b6b27bf0c5d136c9d35774fd2f41cdad2eae1d3d506d117e1d0d3e36d52ddda04ccda8de9f107aa64f7a7b949fcebdea1e7e810464d

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	1572	1672	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1384	1672	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
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 (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
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 (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 (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

1672 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1672 EXCEL.EXE
1672 EXCEL.EXE
1672 EXCEL.EXE

pid	process
1672	EXCEL.EXE

pid	process
1672	EXCEL.EXE
1672	EXCEL.EXE
1672	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1672 wrote to memory of 1572	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1572	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1572	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1572	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1572	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1572	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1572	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1384	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1384	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1384	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1384	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1384	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1384	1672	EXCEL.EXE	rundll32.exe
PID 1672 wrote to memory of 1384	1672	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-101660541.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1672
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\duron.bnm1,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1572
- C:\Windows\SysWOW64\rundll32.exe
  rundll32 ..\duron.bnm2,DllRegisterServer
  2⤵
  - Process spawned unexpected child process
  PID:1384

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/1384-64-0x0000000000000000-mapping.dmp

Download
memory/1572-62-0x0000000000000000-mapping.dmp

Download
memory/1572-63-0x0000000075971000-0x0000000075973000-memory.dmp

Filesize
8KB

Download
memory/1672-59-0x000000002F9D1000-0x000000002F9D4000-memory.dmp

Filesize
12KB

Download
memory/1672-60-0x00000000716F1000-0x00000000716F3000-memory.dmp

Filesize
8KB

Download
memory/1672-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads