31b23dde77ac6445e7d3f70671c8236527f321449b3c8203755e6c1c2606f4af

Analysis

max time kernel
142s
max time network
149s
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

31b23dde77ac6445e7d3f70671c8236527f321449b3c8203755e6c1c2606f4af.xls
Size

36KB
MD5

ee94e295617632aaa2bf45222eaa5713
SHA1

6c216da85675df42db21718c37444e42b4507147
SHA256

31b23dde77ac6445e7d3f70671c8236527f321449b3c8203755e6c1c2606f4af
SHA512

3bd0eb7ff8bdcd73308acb18840f53fd6ae823b17bfbd2f9f7c2c352019888b5252d4fcd3d6a8d370dd32ddb6fddc8426c7dd2a2a08a16e88ad1615176622efd
SSDEEP

768:KPqNk3hbdlylKsgqopeJBWhZFGkE+cL2NdAJmchxCJq4ZDe2XBc2LorrL:eok3hbdlylKsgqopeJBWhZFGkE+cL2NY

Score

1^/10

Malware Config

Signatures

Checks processor information in registry 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

880 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	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\31b23dde77ac6445e7d3f70671c8236527f321449b3c8203755e6c1c2606f4af.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:880

Network

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/880-132-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/880-134-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/880-133-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/880-135-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/880-136-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/880-137-0x00007FFCEC080000-0x00007FFCEC090000-memory.dmp

Filesize
64KB

Download
memory/880-138-0x00007FFCEC080000-0x00007FFCEC090000-memory.dmp

Filesize
64KB

Download
memory/880-140-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/880-141-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/880-142-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download
memory/880-143-0x00007FFCEE4B0000-0x00007FFCEE4C0000-memory.dmp

Filesize
64KB

Download