90dc0e3f13b9221e5b54c8f9ad764e407487dddd0fb0268d6ec0473847abdafe

Analysis

max time kernel
144s
max time network
155s
platform
windows7_x64
resource
win7v20201028
submitted
13-11-2020 16:40

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General

Target

document-1579755298.xlsb
Size

291KB
MD5

bd6f369b8a0038f0cefbbdfc8a812a08
SHA1

a35143cb121fdd5d06d1580c833067922bc45e19
SHA256

90dc0e3f13b9221e5b54c8f9ad764e407487dddd0fb0268d6ec0473847abdafe
SHA512

7a3f4e51303685e6e0cf6d1e5592a4c99e76a80a6f6a0ca13c04613d58c04e80fa6cce778c0e472f62de8465d4ea34155cf067badee86d4fbac3566cd17e3bc2

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
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
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	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\E&xport to Microsoft Excel	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1660 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1660 EXCEL.EXE
1660 EXCEL.EXE
1660 EXCEL.EXE
1660 EXCEL.EXE
1660 EXCEL.EXE

pid	process
1660	EXCEL.EXE

pid	process
1660	EXCEL.EXE
1660	EXCEL.EXE
1660	EXCEL.EXE
1660	EXCEL.EXE
1660	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-1579755298.xlsb
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1660

Network

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/1660-0-0x0000000001D20000-0x0000000001D21000-memory.dmp

Filesize
4KB

Download
memory/1768-2-0x000007FEF6F80000-0x000007FEF71FA000-memory.dmp

Filesize
2.5MB

Download