08deb10d392a330e436f61359b894ede6f803b6809df5001c0a9710a0ce8bbef

Analysis

max time kernel
176s
max time network
35s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
27-11-2022 02:53

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General

Target

08deb10d392a330e436f61359b894ede6f803b6809df5001c0a9710a0ce8bbef.xls
Size

186KB
MD5

a500ba145ffd6dbdc2f091d979973ee2
SHA1

953a9adf79f2060b48db7c2fdc678f3d8527aba6
SHA256

08deb10d392a330e436f61359b894ede6f803b6809df5001c0a9710a0ce8bbef
SHA512

b179c08b8845f18fd6b12a606ccefe3db43ef23798312d86a72c9d62ec42a57eb155351416e12c71fecae9c7a92609dac76f6d332d78b79cfb766574a48dedce
SSDEEP

1536:1bbbbvbYiT12vQApKi1qGeSnuyMjbYwugu5pyrYNQk9RBuYOwDg7Hgl6J5uRKHHS:6QkdDUHgleHHoT0F9hh2CcnKV6o+

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1748 EXCEL.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

1748 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1748 EXCEL.EXE
1748 EXCEL.EXE
1748 EXCEL.EXE
1748 EXCEL.EXE
1748 EXCEL.EXE

pid	process
1748	EXCEL.EXE

pid	process
1748	EXCEL.EXE

pid	process
1748	EXCEL.EXE
1748	EXCEL.EXE
1748	EXCEL.EXE
1748	EXCEL.EXE
1748	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 1748 wrote to memory of 1716	1748	EXCEL.EXE	splwow64.exe
PID 1748 wrote to memory of 1716	1748	EXCEL.EXE	splwow64.exe
PID 1748 wrote to memory of 1716	1748	EXCEL.EXE	splwow64.exe
PID 1748 wrote to memory of 1716	1748	EXCEL.EXE	splwow64.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\08deb10d392a330e436f61359b894ede6f803b6809df5001c0a9710a0ce8bbef.xls
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1748

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:1716

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1716-59-0x0000000000000000-mapping.dmp

Download
memory/1716-60-0x000007FEFC101000-0x000007FEFC103000-memory.dmp

Filesize
8KB

Download
memory/1748-54-0x000000002F1E1000-0x000000002F1E4000-memory.dmp

Filesize
12KB

Download
memory/1748-55-0x00000000718F1000-0x00000000718F3000-memory.dmp

Filesize
8KB

Download
memory/1748-56-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1748-57-0x00000000728DD000-0x00000000728E8000-memory.dmp

Filesize
44KB

Download
memory/1748-58-0x0000000075D01000-0x0000000075D03000-memory.dmp

Filesize
8KB

Download
memory/1748-61-0x00000000728DD000-0x00000000728E8000-memory.dmp

Filesize
44KB

Download