c9ec26cb8bfd322cf188dc9e5138525a46fc2ce51089dca68c5d027139f21b0b

Resubmissions

07-05-2021 06:43

210507-k8cv1f6tns 10

07-05-2021 06:35

210507-8avcflmfrn 10

Analysis

max time kernel
124s
max time network
131s
platform
windows7_x64
resource
win7v20210408
submitted
07-05-2021 06:43

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General

Target

c10f0a9f60b971184e3bab85b430daee3c51e2f3351b101e64b7dd4e9417fe28.xlsm
Size

112KB
MD5

2614414ef198ae66125912c2844dc012
SHA1

04aff804486cd8db99734a7a341554e1e4f376bf
SHA256

c10f0a9f60b971184e3bab85b430daee3c51e2f3351b101e64b7dd4e9417fe28
SHA512

b5a5d5c7d2b9ab05c4788d920bf4097a08fd73c860ce5e442918c311c6d5bcfd37337b9f734941c977067dbb5de49e76ecceaf0207b5b6ce813bc745487db6e4

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://185.82.219.131/44313,6048108796.dat

xlm40.dropper

http://45.84.1.195/44313,6048108796.dat

xlm40.dropper

http://185.238.0.40/44313,6048108796.dat

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-1-5-21-2455352368-1077083310-2879168483-1000\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
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\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
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\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

784 EXCEL.EXE
Suspicious use of SetWindowsHookEx 5 IoCs

Processes:

EXCEL.EXE

pid process

784 EXCEL.EXE
784 EXCEL.EXE
784 EXCEL.EXE
784 EXCEL.EXE
784 EXCEL.EXE

pid	process
784	EXCEL.EXE

pid	process
784	EXCEL.EXE
784	EXCEL.EXE
784	EXCEL.EXE
784	EXCEL.EXE
784	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\c10f0a9f60b971184e3bab85b430daee3c51e2f3351b101e64b7dd4e9417fe28.xlsm
1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:784

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/784-60-0x000000002F4C1000-0x000000002F4C4000-memory.dmp

Filesize
12KB

Download
memory/784-61-0x0000000071091000-0x0000000071093000-memory.dmp

Filesize
8KB

Download
memory/784-62-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download