e8ad60b5c7cf7aed27921de5e9c9ba4e4bdcbdefd0cae9bb3e296e415fa7a1a2

General

Target

catalog-1017382340.xlsm
Size

109KB
MD5

a7f32ed5659b381046a206d536e2cb27
SHA1

1862da8b0df746b1d3e45cdeec6aaa1dcd427b45
SHA256

557b6ae98e6f02feb7ad9d6d7b91a9392b45483ef11359017b4387ccdaa19803
SHA512

872c6ac82b66b9f5f50054232287c035e4ed364cfdf03c6f4fa75c3bb932f84000ad9d398460562c17afb1b6800fb2aa0f9bebc10447b1cffc01c19d77df0e6f

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	824	1116	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1168	1116	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\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
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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1116 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1116 EXCEL.EXE
1116 EXCEL.EXE
1116 EXCEL.EXE

pid	process
1116	EXCEL.EXE

pid	process
1116	EXCEL.EXE
1116	EXCEL.EXE
1116	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1116 wrote to memory of 824	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 824	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 824	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 824	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 824	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 824	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 824	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 1168	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 1168	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 1168	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 1168	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 1168	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 1168	1116	EXCEL.EXE	rundll32.exe
PID 1116 wrote to memory of 1168	1116	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-1017382340.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1116

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:824

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

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/824-63-0x0000000000000000-mapping.dmp

Download
memory/824-64-0x00000000767B1000-0x00000000767B3000-memory.dmp

Filesize
8KB

Download
memory/1116-60-0x000000002FC21000-0x000000002FC24000-memory.dmp

Filesize
12KB

Download
memory/1116-61-0x0000000071B01000-0x0000000071B03000-memory.dmp

Filesize
8KB

Download
memory/1116-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1168-65-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads