a8061f1ef9995bd91813aba9a7780132bb467eb700cf7598292642206391186c

General

Target

catalog-1022938235.xlsm
Size

109KB
MD5

dbc92153f603c68e14beb0529a014eaa
SHA1

8b8a79804475c6bfb4251262b10d699e39d484b7
SHA256

6f3c70e6fbb8720630bba16421da92af4938872bc72e6a2116aea7ed8742dcc2
SHA512

025c34c2fbae92387a34efaa89d2a0f4b0e37929c1b70857c5c9cde80a622e83688a762338bca4f268e3a9d21efac55b3962f905f3ae5d40fc126a5da33b1e93

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	588	1092	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1168	1092	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 (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\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 (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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1092 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1092 EXCEL.EXE
1092 EXCEL.EXE
1092 EXCEL.EXE

pid	process
1092	EXCEL.EXE

pid	process
1092	EXCEL.EXE
1092	EXCEL.EXE
1092	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1092 wrote to memory of 588	1092	EXCEL.EXE	rundll32.exe
PID 1092 wrote to memory of 588	1092	EXCEL.EXE	rundll32.exe
PID 1092 wrote to memory of 588	1092	EXCEL.EXE	rundll32.exe
PID 1092 wrote to memory of 588	1092	EXCEL.EXE	rundll32.exe
PID 1092 wrote to memory of 588	1092	EXCEL.EXE	rundll32.exe
PID 1092 wrote to memory of 588	1092	EXCEL.EXE	rundll32.exe
PID 1092 wrote to memory of 588	1092	EXCEL.EXE	rundll32.exe
PID 1092 wrote to memory of 1168	1092	EXCEL.EXE	rundll32.exe
PID 1092 wrote to memory of 1168	1092	EXCEL.EXE	rundll32.exe
PID 1092 wrote to memory of 1168	1092	EXCEL.EXE	rundll32.exe
PID 1092 wrote to memory of 1168	1092	EXCEL.EXE	rundll32.exe
PID 1092 wrote to memory of 1168	1092	EXCEL.EXE	rundll32.exe
PID 1092 wrote to memory of 1168	1092	EXCEL.EXE	rundll32.exe
PID 1092 wrote to memory of 1168	1092	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-1022938235.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1092

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:588

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1168

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/588-62-0x0000000000000000-mapping.dmp

Download
memory/588-63-0x0000000076E11000-0x0000000076E13000-memory.dmp

Filesize
8KB

Download
memory/1092-59-0x000000002FD31000-0x000000002FD34000-memory.dmp

Filesize
12KB

Download
memory/1092-60-0x0000000071D01000-0x0000000071D03000-memory.dmp

Filesize
8KB

Download
memory/1092-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1168-64-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads