31b4be1cc02d1b5a2c9de1ccac2fb4063d7d9cc3692bd1449f7d4477a3ced147

Analysis

max time kernel
151s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
29-01-2023 19:22

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General

Target

31b4be1cc02d1b5a2c9de1ccac2fb4063d7d9cc3692bd1449f7d4477a3ced147.xls
Size

36KB
MD5

be42208b9b4852b7787910c984672e48
SHA1

8a842fcafbb7c35c9d390064d9031f8481aa8b4f
SHA256

31b4be1cc02d1b5a2c9de1ccac2fb4063d7d9cc3692bd1449f7d4477a3ced147
SHA512

49d12fe027dec967c6f608fe5e8bbf9c5f990634270fc87fe5e39ba043f4ad1b654f6d6d136e1b031041d433643661b891c9ee4b37ed9449f88238649ba633d4
SSDEEP

768:cPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJ0o6y2J6tXJzT:Iok3hbdlylKsgqopeJBWhZFGkE+cL2Ny

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 2 IoCs

Processes:

svchost.exe

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{9D7A448A-6F85-43F0-A80F-D581DEEB61B6}.catalogItem	svchost.exe
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{2CC7C783-4DF5-4B1A-B371-5B168327BDA3}.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

Processes:

EXCEL.EXEsvchost.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
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

Enumerates system info in registry 2 TTPs 5 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

svchost.exeEXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe
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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

1544 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

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\31b4be1cc02d1b5a2c9de1ccac2fb4063d7d9cc3692bd1449f7d4477a3ced147.xls"
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:2464

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

Filesize
64KB

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

Filesize
64KB

Download
memory/1544-134-0x00007FFD4B270000-0x00007FFD4B280000-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
memory/1544-141-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1544-140-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1544-142-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download
memory/1544-143-0x00007FFD4B270000-0x00007FFD4B280000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads