c4d78b3059d228b9255b76e7cd8d9b2d2545c76d29f68728c2ca530011c0f0e1

General

Target

Document_98986.xlsb
Size

83KB
MD5

f81a8b223287fab66b71b7dc6436081a
SHA1

aeb8a82c28fc6033782aa1f1073f49dc69123c54
SHA256

c4d78b3059d228b9255b76e7cd8d9b2d2545c76d29f68728c2ca530011c0f0e1
SHA512

45d5202c79e2bfdd7198fdbc7a51adc455e9af6e19115ffddf33c4fe55dd172485ac340205ee107af82995e7ab42b51309031e692e01cf4c5023149fa4f807e0

Score

1^/10

Malware Config

Signatures

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-1-5-21-293278959-2699126792-324916226-1000\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	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
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 (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
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\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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1340 EXCEL.EXE
Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid process

1340 EXCEL.EXE
1340 EXCEL.EXE
1340 EXCEL.EXE

pid	process
1340	EXCEL.EXE

pid	process
1340	EXCEL.EXE
1340	EXCEL.EXE
1340	EXCEL.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\Document_98986.xlsb
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1340

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1340-2-0x000000002F961000-0x000000002F964000-memory.dmp

Filesize
12KB

Download
memory/1340-3-0x00000000718D1000-0x00000000718D3000-memory.dmp

Filesize
8KB

Download
memory/1340-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1340-5-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing