b67d455fadd1bcdac86496337273b37ceabd08dc7371dc940963b01c52e76830

General

Target

catalog-1013601262.xlsm
Size

109KB
MD5

e031fd16159671eecab5cae51417f2b5
SHA1

400a9f872219c5e53f12588e6ba8b061261ba1fb
SHA256

59d168db7a2c5ecc89e81462b9f3bcff49d6296e186a0508be254bab06723c5c
SHA512

e131db6510cec6f0a7cce15f7cf9488ece76a0955bc659a729da751aeffcb8409161a5fed18507abd555beb1b0d03c5623e5eefbb0582efab274be8adf25831f

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	1880	1200	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	592	1200	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	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
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\Toolbar	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
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

1200 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1200 EXCEL.EXE
1200 EXCEL.EXE
1200 EXCEL.EXE

pid	process
1200	EXCEL.EXE

pid	process
1200	EXCEL.EXE
1200	EXCEL.EXE
1200	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1200 wrote to memory of 1880	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 1880	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 1880	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 1880	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 1880	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 1880	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 1880	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 592	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 592	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 592	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 592	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 592	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 592	1200	EXCEL.EXE	rundll32.exe
PID 1200 wrote to memory of 592	1200	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-1013601262.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1200

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1880

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:592

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/592-64-0x0000000000000000-mapping.dmp

Download
memory/1200-59-0x000000002FCD1000-0x000000002FCD4000-memory.dmp

Filesize
12KB

Download
memory/1200-60-0x0000000071AD1000-0x0000000071AD3000-memory.dmp

Filesize
8KB

Download
memory/1200-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1880-62-0x0000000000000000-mapping.dmp

Download
memory/1880-63-0x00000000768B1000-0x00000000768B3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads