e7ffee57698aeb8ff7211cbe321e3e5b17c20bc6549916ce651015c2bf6816c3

General

Target

dettagli_647.xlsb
Size

64KB
MD5

307bb8ba033af4ecc5627763607084e6
SHA1

b3b0124507b1fb28f03d9949c75b1fe65e1fc07a
SHA256

e7ffee57698aeb8ff7211cbe321e3e5b17c20bc6549916ce651015c2bf6816c3
SHA512

3c7e368b9a0940e0735066610b70abea0dbcffb6605d46bbed5ab6a8fbbdde1c88c3bce9d99fad28a3b27db8d9f7ac85a0264b78021df5b4792c2c593582e1f5

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://linestata.casa/register.jpg

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

rundll32.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	740	1908	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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1908 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1908 EXCEL.EXE
1908 EXCEL.EXE
1908 EXCEL.EXE
1908 EXCEL.EXE
1908 EXCEL.EXE

pid	process
1908	EXCEL.EXE

pid	process
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE
1908	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1908 wrote to memory of 740	1908	EXCEL.EXE	rundll32.exe
PID 1908 wrote to memory of 740	1908	EXCEL.EXE	rundll32.exe
PID 1908 wrote to memory of 740	1908	EXCEL.EXE	rundll32.exe
PID 1908 wrote to memory of 740	1908	EXCEL.EXE	rundll32.exe
PID 1908 wrote to memory of 740	1908	EXCEL.EXE	rundll32.exe
PID 1908 wrote to memory of 740	1908	EXCEL.EXE	rundll32.exe
PID 1908 wrote to memory of 740	1908	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\dettagli_647.xlsb
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1908

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\WumjuMa\vjsRMoq\iJUOgdB.dll,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:740

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/740-6-0x0000000000000000-mapping.dmp

Download
memory/740-7-0x0000000076271000-0x0000000076273000-memory.dmp

Filesize
8KB

Download
memory/1736-5-0x000007FEF6270000-0x000007FEF64EA000-memory.dmp

Filesize
2.5MB

Download
memory/1908-2-0x000000002F071000-0x000000002F074000-memory.dmp

Filesize
12KB

Download
memory/1908-3-0x00000000714A1000-0x00000000714A3000-memory.dmp

Filesize
8KB

Download
memory/1908-4-0x000000005FFF0000-0x0000000060000000-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