f2c9b49280d717513c00b449a8efe7fb5f6f1aaa43a9c9d99c9bfb2d9daea120

General

Target

catalog-100420173.xlsm
Size

109KB
MD5

6b1b851a8d6effbba67f2a248e83bf8d
SHA1

3b4d2589e2edfb1a1832ef92a6fd7519f83b35b7
SHA256

89187e224fa57f267344301f3a4f761a042bb366f15b9ccbc3b0dae35ea24ddb
SHA512

92dc55974837085ed2f8d15bfea3d1a245133da36c8601c5f23c34dc05cebd4ca0ffe961c4715d420f207c77a731b607f5328cc887c033e76134a89386cf9176

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	1104	1612	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	408	1612	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-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1612 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1612 EXCEL.EXE
1612 EXCEL.EXE
1612 EXCEL.EXE

pid	process
1612	EXCEL.EXE

pid	process
1612	EXCEL.EXE
1612	EXCEL.EXE
1612	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1612 wrote to memory of 1104	1612	EXCEL.EXE	rundll32.exe
PID 1612 wrote to memory of 1104	1612	EXCEL.EXE	rundll32.exe
PID 1612 wrote to memory of 1104	1612	EXCEL.EXE	rundll32.exe
PID 1612 wrote to memory of 1104	1612	EXCEL.EXE	rundll32.exe
PID 1612 wrote to memory of 1104	1612	EXCEL.EXE	rundll32.exe
PID 1612 wrote to memory of 1104	1612	EXCEL.EXE	rundll32.exe
PID 1612 wrote to memory of 1104	1612	EXCEL.EXE	rundll32.exe
PID 1612 wrote to memory of 408	1612	EXCEL.EXE	rundll32.exe
PID 1612 wrote to memory of 408	1612	EXCEL.EXE	rundll32.exe
PID 1612 wrote to memory of 408	1612	EXCEL.EXE	rundll32.exe
PID 1612 wrote to memory of 408	1612	EXCEL.EXE	rundll32.exe
PID 1612 wrote to memory of 408	1612	EXCEL.EXE	rundll32.exe
PID 1612 wrote to memory of 408	1612	EXCEL.EXE	rundll32.exe
PID 1612 wrote to memory of 408	1612	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-100420173.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1612

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1104

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:408

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/408-64-0x0000000000000000-mapping.dmp

Download
memory/1104-62-0x0000000000000000-mapping.dmp

Download
memory/1104-63-0x0000000075D51000-0x0000000075D53000-memory.dmp

Filesize
8KB

Download
memory/1612-59-0x000000002FD61000-0x000000002FD64000-memory.dmp

Filesize
12KB

Download
memory/1612-60-0x00000000714E1000-0x00000000714E3000-memory.dmp

Filesize
8KB

Download
memory/1612-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads