df7e4b16f900d23eb532fbf32df859b7bb554ebf738efc81da09642d873e523a

Resubmissions

28-07-2021 13:52

210728-4qkz5rekcj 8

28-07-2021 13:44

210728-elk8tqvbzn 8

26-07-2021 17:06

210726-bjcdwdpy5a 8

Analysis

max time kernel
1144s
max time network
758s
platform
windows7_x64
resource
win7v20210408
submitted
26-07-2021 17:06

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General

Target

Invoice_42365756.xlsm
Size

331KB
MD5

b7cf2052ee1681f71c9eeea22d44e3e5
SHA1

48e3aa45c9929926e31a0ef938da61345ea1b922
SHA256

df7e4b16f900d23eb532fbf32df859b7bb554ebf738efc81da09642d873e523a
SHA512

8fb4e64544557b36be0de8bde0dbd03cde1411c1be3f5a4aa1724cbd961f4a0640d83d05afa768cb1dd2dc4f8d2cd6bdf65307d755e7e83f08d4f808fe168037

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\MenuExt\Se&nd to OneNote	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
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
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	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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1936 EXCEL.EXE
Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

EXCEL.EXE

pid process

1936 EXCEL.EXE
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

EXCEL.EXE

description pid process

Token: SeShutdownPrivilege 1936 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

1936 EXCEL.EXE
1936 EXCEL.EXE
1936 EXCEL.EXE
1936 EXCEL.EXE
1936 EXCEL.EXE

pid	process
1936	EXCEL.EXE

pid	process
1936	EXCEL.EXE

description	pid	process
Token: SeShutdownPrivilege	1936	EXCEL.EXE

pid	process
1936	EXCEL.EXE
1936	EXCEL.EXE
1936	EXCEL.EXE
1936	EXCEL.EXE
1936	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_42365756.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1936

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/1936-59-0x000000002F511000-0x000000002F514000-memory.dmp

Filesize
12KB

Download
memory/1936-60-0x00000000714F1000-0x00000000714F3000-memory.dmp

Filesize
8KB

Download
memory/1936-61-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download