5f2adacaf4ecb00ed24dd9dfe355307d0d6e786e40c945ad4c6d1ae3a4835d2a

Target

Doc_3744.xls
Size

62KB
MD5

47e22049644647ee854cedfe077156e7
SHA1

20ad9f47616a8272dece2ec1039a88c09412c97c
SHA256

5f2adacaf4ecb00ed24dd9dfe355307d0d6e786e40c945ad4c6d1ae3a4835d2a
SHA512

1eeb87173378f4d0e157ee42f5b28e48ff84a35b44d71f004a6180cc2bdbc09e45c071adc7ab0a94c75071fbe3ee13b939ee8cb216b6f2e06c9c24ca34dbbf1b

Score

7^/10

Malware Config

Signatures

Deletes itself 1 IoCs

Processes:

EXCEL.EXE

pid process

4712 EXCEL.EXE

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

4712 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	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\Doc_3744.xls"
1⤵
- Deletes itself
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4712

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

Replay Monitor

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Downloads

memory/4712-2-0x00007FF83FDE0000-0x00007FF83FDF0000-memory.dmp

Filesize
64KB

Download
memory/4712-3-0x00007FF83FDE0000-0x00007FF83FDF0000-memory.dmp

Filesize
64KB

Download
memory/4712-4-0x00007FF83FDE0000-0x00007FF83FDF0000-memory.dmp

Filesize
64KB

Download
memory/4712-5-0x00007FF863DD0000-0x00007FF864407000-memory.dmp

Filesize
6.2MB

Download
memory/4712-6-0x00007FF83FDE0000-0x00007FF83FDF0000-memory.dmp

Filesize
64KB

Download