788a2b0f270de158e077b3fb38769243bd5a23d0dfecb11c88c2a88bb10a38a5

General

Target

catalog-1026156640.xlsm
Size

109KB
MD5

d5e92d48a12d2234524cb097e9b5c4bd
SHA1

f4fd717ed584a7804908d6e55501d852c38d8d28
SHA256

728c09f2363534b10d70ad77c6ba96c95d6e5c53d030b6a5c38a5fde091314f8
SHA512

b413555c1f005211869efe9964aa52370307ddac3f17086372e0a78e9243aff72d5a4294c2c108a14178e1ec6664a53a5ddba0ac7ce86da315ae6fd6da5e9ccc

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	1932	1748	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1352	1748	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\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
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
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
Key created	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1748 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1748 EXCEL.EXE
1748 EXCEL.EXE
1748 EXCEL.EXE

pid	process
1748	EXCEL.EXE

pid	process
1748	EXCEL.EXE
1748	EXCEL.EXE
1748	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1748 wrote to memory of 1932	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 1932	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 1932	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 1932	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 1932	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 1932	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 1932	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 1352	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 1352	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 1352	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 1352	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 1352	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 1352	1748	EXCEL.EXE	rundll32.exe
PID 1748 wrote to memory of 1352	1748	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-1026156640.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1932

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1352

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/1352-65-0x0000000000000000-mapping.dmp

Download
memory/1748-60-0x000000002F171000-0x000000002F174000-memory.dmp

Filesize
12KB

Download
memory/1748-61-0x0000000070F51000-0x0000000070F53000-memory.dmp

Filesize
8KB

Download
memory/1748-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1932-63-0x0000000000000000-mapping.dmp

Download
memory/1932-64-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads