8bdcc1592ffaee9154ed4331a44fa52af3b2baebbd4ef71840adc73b38635d9e

Resubmissions

21-04-2021 16:14

210421-ygskj3c65s 10

21-04-2021 16:13

210421-hb7vkpnwme 8

21-04-2021 16:09

210421-yxfjrtzzx6 10

Analysis

max time kernel
149s
max time network
20s
platform
windows7_x64
resource
win7v20210408
submitted
21-04-2021 16:09

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Report Analysis Logs

General

Target

Invoice #035.xlsm
Size

155KB
MD5

77f482d7c33d70474d451cf2546f4b4f
SHA1

9ef86f2a8171e50ec5734886d895885280e029d8
SHA256

8bdcc1592ffaee9154ed4331a44fa52af3b2baebbd4ef71840adc73b38635d9e
SHA512

f656c8f2a14ddb066469f20ab5303f5a0ec18d17648e67a59fde4902dc923f5a70fe4cc4964251a705275e98073df76821ec6e3ee8d93982fb86ec71a698404a

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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes"	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt	EXCEL.EXE
Key created	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55"	EXCEL.EXE
Set value (str)	\REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\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-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1"	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1840 EXCEL.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

EXCEL.EXE

pid process

1840 EXCEL.EXE
1840 EXCEL.EXE
1840 EXCEL.EXE
1840 EXCEL.EXE
1840 EXCEL.EXE
1840 EXCEL.EXE
1840 EXCEL.EXE
1840 EXCEL.EXE

pid	process
1840	EXCEL.EXE

pid	process
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	EXCEL.EXE
1840	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\Invoice #035.xlsm"
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1840

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/1840-60-0x000000002FB51000-0x000000002FB54000-memory.dmp

Filesize
12KB

Download
memory/1840-61-0x00000000717B1000-0x00000000717B3000-memory.dmp

Filesize
8KB

Download
memory/1840-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download