f30f3d91e79937e359044a7781f40df2db4d2ba2df52fcb0932e690cb5a78f2f

General

Target

catalog-1028963148.xlsm
Size

109KB
MD5

ab14fe45539ccf2ed1fb20bd0330dc3f
SHA1

f1a35a0b4acf9e6e8df261ddac2ed7a1e5e460b1
SHA256

90138abe76c52d8237a736789f313d89b9ea848230754827318fdf96fa41a00b
SHA512

8787fb64331e21d944347e646e5a1932071e7b53c7a3816783aa871a322b4e69f1673ccd05f41059ee8093046bb62b7ef68ab798d54af062ea54feb464a662a3

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	1512	1840	rundll32.exe	EXCEL.EXE
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	1152	1840	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-1-5-21-2455352368-1077083310-2879168483-1000\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
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\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	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\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1840 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1840 EXCEL.EXE
1840 EXCEL.EXE
1840 EXCEL.EXE

pid	process
1840	EXCEL.EXE

pid	process
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1840 wrote to memory of 1512	1840	EXCEL.EXE	rundll32.exe
PID 1840 wrote to memory of 1512	1840	EXCEL.EXE	rundll32.exe
PID 1840 wrote to memory of 1512	1840	EXCEL.EXE	rundll32.exe
PID 1840 wrote to memory of 1512	1840	EXCEL.EXE	rundll32.exe
PID 1840 wrote to memory of 1512	1840	EXCEL.EXE	rundll32.exe
PID 1840 wrote to memory of 1512	1840	EXCEL.EXE	rundll32.exe
PID 1840 wrote to memory of 1512	1840	EXCEL.EXE	rundll32.exe
PID 1840 wrote to memory of 1152	1840	EXCEL.EXE	rundll32.exe
PID 1840 wrote to memory of 1152	1840	EXCEL.EXE	rundll32.exe
PID 1840 wrote to memory of 1152	1840	EXCEL.EXE	rundll32.exe
PID 1840 wrote to memory of 1152	1840	EXCEL.EXE	rundll32.exe
PID 1840 wrote to memory of 1152	1840	EXCEL.EXE	rundll32.exe
PID 1840 wrote to memory of 1152	1840	EXCEL.EXE	rundll32.exe
PID 1840 wrote to memory of 1152	1840	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-1028963148.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1840

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm1,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1512

C:\Windows\SysWOW64\rundll32.exe
rundll32 ..\duron.bnm2,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1152

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/1152-65-0x0000000000000000-mapping.dmp

Download
memory/1512-63-0x0000000000000000-mapping.dmp

Download
memory/1512-64-0x00000000757C1000-0x00000000757C3000-memory.dmp

Filesize
8KB

Download
memory/1840-60-0x000000002F141000-0x000000002F144000-memory.dmp

Filesize
12KB

Download
memory/1840-61-0x00000000717B1000-0x00000000717B3000-memory.dmp

Filesize
8KB

Download
memory/1840-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads