794a461bc31edd239cbcf6674f684cbcb4480c3408959b536ae79817a5746f22

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2022, 09:48

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General

Target

c3c5e6436dd5a4c69e2c814a17916a60e7d41dca2673334ffcbe7c14245a240d.xlsx
Size

1.3MB
MD5

cde25f0fe36009df516dd5429e1e257d
SHA1

a1efe73056cbac3852d3c4162f1763e0fef915a3
SHA256

c3c5e6436dd5a4c69e2c814a17916a60e7d41dca2673334ffcbe7c14245a240d
SHA512

674e35ed14037d8ecc08f3cccacf97c0f385a36dc4ffd25187d802a7fc0a267a2c56a2c39826c6c520589946adca72d10b611afec56285a4f011e50f7f865c6e
SSDEEP

24576:OZeECzadHbcd8uuA6Hf+fo5QORYobtpdBaPHZoCHdknG3rrGzsm:OZeECquv4f+EDW63bauCHGG3r+p

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{CDE3DB85-4C15-4FEC-9A59-904AAD2605C0}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{B13ECD61-C855-4DC9-AD34-D768960B9917}.catalogItem	svchost.exe

Checks processor information in registry 2 TTPs 6 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1544	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1544	EXCEL.EXE
1544	EXCEL.EXE
1544	EXCEL.EXE
1544	EXCEL.EXE
1544	EXCEL.EXE
1544	EXCEL.EXE
1544	EXCEL.EXE
1544	EXCEL.EXE
1544	EXCEL.EXE
1544	EXCEL.EXE
1544	EXCEL.EXE
1544	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\c3c5e6436dd5a4c69e2c814a17916a60e7d41dca2673334ffcbe7c14245a240d.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1544

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:3112

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1544-132-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1544-134-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1544-133-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1544-135-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1544-136-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1544-137-0x00007FFD49000000-0x00007FFD49010000-memory.dmp

Filesize
64KB

Download
memory/1544-138-0x00007FFD49000000-0x00007FFD49010000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads