5fc97f75016cca661f861d8649c059b9da34a8d330589aea0f5e92bfe4a776a9

Analysis

max time kernel
150s
max time network
146s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
04-04-2023 02:34

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General

Target

1.xll
Size

589KB
MD5

c56dd67070384db2e38c6a3614ab72a1
SHA1

261cf6dc14b6ab1473ab7c86f6a8465c52bdad38
SHA256

5fc97f75016cca661f861d8649c059b9da34a8d330589aea0f5e92bfe4a776a9
SHA512

120aea30b77438ad7abfa3ecc5f4b14f1722587022f3c88ba023bf4729499912370035233c115932c7300178868510688e490a95ae914e9020fbca9a3185213f
SSDEEP

6144:8cTaT6oGCNIamrNSYVnt5pONtX7EmG2dOdQRG8l/dmMF7VndLmmmmmmm644tkw95:fRpSIm3OdQwgvpVndf42HXDiuJTMw4

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 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

3640 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	EXCEL.EXE
3640	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\1.xll"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3640

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/3640-119-0x00007FFEACF40000-0x00007FFEACF50000-memory.dmp

Filesize
64KB

Download
memory/3640-120-0x00007FFEACF40000-0x00007FFEACF50000-memory.dmp

Filesize
64KB

Download
memory/3640-121-0x00007FFEACF40000-0x00007FFEACF50000-memory.dmp

Filesize
64KB

Download
memory/3640-122-0x00007FFEACF40000-0x00007FFEACF50000-memory.dmp

Filesize
64KB

Download
memory/3640-131-0x00007FFEA9420000-0x00007FFEA9430000-memory.dmp

Filesize
64KB

Download
memory/3640-132-0x00007FFEA9420000-0x00007FFEA9430000-memory.dmp

Filesize
64KB

Download
memory/3640-282-0x000002DB4D270000-0x000002DB4D3B8000-memory.dmp

Filesize
1.3MB

Download