697c6b66739d80c5022f62396f86ae10ed2adc41eff3472497a0fc41b0c02ea1

Analysis

max time kernel
189s
max time network
187s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
30-11-2022 11:59

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General

Target

697c6b66739d80c5022f62396f86ae10ed2adc41eff3472497a0fc41b0c02ea1.xlsm
Size

343KB
MD5

e89e9e685acaa2bb4528b30b7c974bdf
SHA1

6ee32e1d2409d21d067ea5e2f5a0357abba18d51
SHA256

697c6b66739d80c5022f62396f86ae10ed2adc41eff3472497a0fc41b0c02ea1
SHA512

e341083dce3b1c959903aaec973eaa072ca0a792c71fad86bf553795f2a3217abd31f4ca9a9540e6790e733d56678ca3cfd0139db3c12637b538220724719026
SSDEEP

6144:WxgLl8qZKPemrBiBvXXFi+1AInME2oJSjjqIR686zMEgvqEpJD8YDP:WuLKZPekB8Fi+1gE2oJSjjZ686QlxpJF

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

4280 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

EXCEL.EXE

description	pid	process	target process
PID 4280 wrote to memory of 4900	4280	EXCEL.EXE	splwow64.exe
PID 4280 wrote to memory of 4900	4280	EXCEL.EXE	splwow64.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\697c6b66739d80c5022f62396f86ae10ed2adc41eff3472497a0fc41b0c02ea1.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4280

C:\Windows\splwow64.exe
C:\Windows\splwow64.exe 12288
2⤵
PID:4900

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k PrintWorkflow -s PrintWorkflowUserSvc
1⤵
PID:4532

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/4280-132-0x00007FF8314D0000-0x00007FF8314E0000-memory.dmp

Filesize
64KB

Download
memory/4280-134-0x00007FF8314D0000-0x00007FF8314E0000-memory.dmp

Filesize
64KB

Download
memory/4280-133-0x00007FF8314D0000-0x00007FF8314E0000-memory.dmp

Filesize
64KB

Download
memory/4280-135-0x00007FF8314D0000-0x00007FF8314E0000-memory.dmp

Filesize
64KB

Download
memory/4280-136-0x00007FF8314D0000-0x00007FF8314E0000-memory.dmp

Filesize
64KB

Download
memory/4280-137-0x00007FF82F050000-0x00007FF82F060000-memory.dmp

Filesize
64KB

Download
memory/4280-138-0x00007FF82F050000-0x00007FF82F060000-memory.dmp

Filesize
64KB

Download
memory/4280-140-0x000001467EA80000-0x000001467EA84000-memory.dmp

Filesize
16KB

Download
memory/4900-139-0x0000000000000000-mapping.dmp

Download