0bcfb0dbe6dda4d624a42608aadb0c060d4216686c968212e9d191fc881a2fc7

General

Target

dettagli_2188.xlsb
Size

69KB
MD5

445cf3ad389002cfcb54e07aa3113e2c
SHA1

e619a29897a41983bb8eb5521f314d172c7840f6
SHA256

0bcfb0dbe6dda4d624a42608aadb0c060d4216686c968212e9d191fc881a2fc7
SHA512

96c7ea5c6593cc4a217619af18b59f3380afec0c570da408eab9b4a49910230c14d100dd534d38efcb3043077e6e64e98132302864aec47fddb362f4ee9464cd

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://obbligo.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	1536	1864	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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\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-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1864 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1864 EXCEL.EXE
1864 EXCEL.EXE
1864 EXCEL.EXE

pid	process
1864	EXCEL.EXE

pid	process
1864	EXCEL.EXE
1864	EXCEL.EXE
1864	EXCEL.EXE

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1864 wrote to memory of 1536	1864	EXCEL.EXE	rundll32.exe
PID 1864 wrote to memory of 1536	1864	EXCEL.EXE	rundll32.exe
PID 1864 wrote to memory of 1536	1864	EXCEL.EXE	rundll32.exe
PID 1864 wrote to memory of 1536	1864	EXCEL.EXE	rundll32.exe
PID 1864 wrote to memory of 1536	1864	EXCEL.EXE	rundll32.exe
PID 1864 wrote to memory of 1536	1864	EXCEL.EXE	rundll32.exe
PID 1864 wrote to memory of 1536	1864	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_2188.xlsb
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1864

C:\Windows\SysWOW64\rundll32.exe
"C:\Windows\System32\rundll32.exe" C:\utxVcjO\aaptwoN\iDIQGlu.dll,DllRegisterServer
2⤵
- Process spawned unexpected child process
PID:1536

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/1536-6-0x0000000000000000-mapping.dmp

Download
memory/1536-7-0x00000000760B1000-0x00000000760B3000-memory.dmp

Filesize
8KB

Download
memory/1804-5-0x000007FEF7810000-0x000007FEF7A8A000-memory.dmp

Filesize
2.5MB

Download
memory/1864-2-0x000000002FA41000-0x000000002FA44000-memory.dmp

Filesize
12KB

Download
memory/1864-3-0x0000000071201000-0x0000000071203000-memory.dmp

Filesize
8KB

Download
memory/1864-4-0x000000005FFF0000-0x0000000060000000-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