d424340df5bf70761d04e78a4c0781ffcd516549b33e1e6a25abf08d516ba8c4

General

Target

281d.xlsm
Size

25KB
MD5

c7d04e6f667128aa991abf28821fc8bc
SHA1

e48c99f892b7939a1adca9c0373b72770b1c3755
SHA256

d424340df5bf70761d04e78a4c0781ffcd516549b33e1e6a25abf08d516ba8c4
SHA512

d77f1b692bdfe71e97b5181e952c3d84e52eb71c91267747867dc806a5c2748065faad4be044cf6f565a7a38d40b107e9b2ae12417ae0940dc198ede0c99fc5b

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

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-1-5-21-3825035466-2522850611-591511364-1000\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
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
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1740 EXCEL.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

EXCEL.EXE

pid process

1740 EXCEL.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

EXCEL.EXE

pid process

1740 EXCEL.EXE
1740 EXCEL.EXE
1740 EXCEL.EXE
1740 EXCEL.EXE

pid	process
1740	EXCEL.EXE

pid	process
1740	EXCEL.EXE

pid	process
1740	EXCEL.EXE
1740	EXCEL.EXE
1740	EXCEL.EXE
1740	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\281d.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
PID:1740

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/1740-2-0x000000002F761000-0x000000002F764000-memory.dmp

Filesize
12KB

Download
memory/1740-3-0x00000000715E1000-0x00000000715E3000-memory.dmp

Filesize
8KB

Download
memory/1740-4-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1740-5-0x0000000002090000-0x0000000002091000-memory.dmp

Filesize
4KB

Download

Analysis

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