71c4a91265f39b146801a3b6ada53089e3b12ebb0891b98455783f47bbca53d2

General

Target

catalog-1017181948.xlsm
Size

109KB
MD5

bc78aecfbcf4055c82713682959671e8
SHA1

769c6b97421cbeee9d17c44564afed0779ae9a05
SHA256

86a238b6ae7eafd33128f5ba9515af78b6265626721a6f2245642ab149bf95f6
SHA512

eed3becf08cfcb07f44cae4cf9eb4262dd7431e1bdac4bce380bd26b65e2fecb3d511a2374ad039ed42bb4656d4f5b2699e0e354b36f95510229c1deb270e7ab

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	1964	1084	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	596	1084	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\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
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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt	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
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

1084 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1084 EXCEL.EXE
1084 EXCEL.EXE
1084 EXCEL.EXE

pid	process
1084	EXCEL.EXE

pid	process
1084	EXCEL.EXE
1084	EXCEL.EXE
1084	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1084 wrote to memory of 1964	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 1964	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 1964	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 1964	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 1964	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 1964	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 1964	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 596	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 596	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 596	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 596	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 596	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 596	1084	EXCEL.EXE	rundll32.exe
PID 1084 wrote to memory of 596	1084	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-1017181948.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1084

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1964

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:596

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/596-65-0x0000000000000000-mapping.dmp

Download
memory/1084-60-0x000000002F961000-0x000000002F964000-memory.dmp

Filesize
12KB

Download
memory/1084-61-0x00000000715A1000-0x00000000715A3000-memory.dmp

Filesize
8KB

Download
memory/1084-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1964-63-0x0000000000000000-mapping.dmp

Download
memory/1964-64-0x00000000752F1000-0x00000000752F3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads