ebf3394f6ce4969ede9d837e55859ad751e02b46f795eae697fabec92d3252a1

General

Target

Comprobant.xls
Size

64KB
MD5

ff489ab462ca00e089503283dd83888e
SHA1

5608b77b509bbfa4ae88c3a426591a0913fd1e2c
SHA256

ebf3394f6ce4969ede9d837e55859ad751e02b46f795eae697fabec92d3252a1
SHA512

76a93057a63def3206848687ce269bbbba2d7fb9e3031a8b67da7dcbe133792101638acc9057afc2a5c8b86646444119f0b59c5b90b89b0919530b5f5256e434
SSDEEP

1536:RrxEtjPOtioVjDGUU1qfDlaGGx+cL2QnAUPdbQ44Oh0C:RrxEtjPOtioVjDGUU1qfDlaGGx+cL2Qd

Score

1^/10

Malware Config

Signatures

Office loads VBA resources, possible macro or embedded object present
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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\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-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Set value (int)	\REGISTRY\USER\S-1-5-21-1214520366-621468234-4062160515-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

788 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

788 EXCEL.EXE
788 EXCEL.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

EXCEL.EXE

pid process

788 EXCEL.EXE
788 EXCEL.EXE
788 EXCEL.EXE
788 EXCEL.EXE
788 EXCEL.EXE
788 EXCEL.EXE
788 EXCEL.EXE

pid	process
788	EXCEL.EXE

pid	process
788	EXCEL.EXE
788	EXCEL.EXE

pid	process
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE
788	EXCEL.EXE
788	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\Comprobant.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:788

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

Replay Monitor

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Downloads

memory/788-54-0x000000002FDB1000-0x000000002FDB4000-memory.dmp

Filesize
12KB

Download
memory/788-55-0x0000000071781000-0x0000000071783000-memory.dmp

Filesize
8KB

Download
memory/788-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/788-57-0x00000000763D1000-0x00000000763D3000-memory.dmp

Filesize
8KB

Download
memory/788-58-0x000000007276D000-0x0000000072778000-memory.dmp

Filesize
44KB

Download
memory/788-61-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-60-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-59-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-63-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-62-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-64-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-65-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-66-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-68-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-67-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-69-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-70-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-71-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-83-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-82-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-84-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-81-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-80-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-79-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-78-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-77-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-75-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-76-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-74-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-73-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-72-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-86-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-85-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-87-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-88-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-90-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-89-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-91-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-92-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-93-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-94-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-95-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-96-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-97-0x00000000006B1000-0x00000000006B5000-memory.dmp

Filesize
16KB

Download
memory/788-98-0x000000007276D000-0x0000000072778000-memory.dmp

Filesize
44KB

Download

Analysis

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