051780f02c9584cbaf53c96977d1e7055a2e9e4d9281e50189b869ae87348d7c

Analysis

max time kernel
198s
max time network
210s
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 21:47

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General

Target

051780f02c9584cbaf53c96977d1e7055a2e9e4d9281e50189b869ae87348d7c.exe
Size

674KB
MD5

320053c311af600448ab3c5ae332fc88
SHA1

4a0e444937006948abc14f336eada255e03354ea
SHA256

051780f02c9584cbaf53c96977d1e7055a2e9e4d9281e50189b869ae87348d7c
SHA512

8afcf1707f702fb7ff0cb1d73d556a4a1bfe17b3c068ee0290ba3e760e7d3a2d50cfedee76f23bdf624c080bce8e9765f1095156ef1a442cb2afa600a728197c
SSDEEP

12288:rkMIese06snjBQ+H7Ab/rGIkQos6qcJWe8RI6srnycVP/bM:kTnjB1HQ/rGIkQJLcJiRIl7y6P/bM

Score

8^/10

macro macro_on_action

Malware Config

Signatures

Office macro that triggers on suspicious action 1 IoCs

Office document macro which triggers in special circumstances - often malicious.

macro macro_on_action

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\BECC.tmp	office_macro_on_action

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

564 EXCEL.EXE

pid	process
564	EXCEL.EXE

Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

051780f02c9584cbaf53c96977d1e7055a2e9e4d9281e50189b869ae87348d7c.exeEXCEL.EXE

pid	process
1312	051780f02c9584cbaf53c96977d1e7055a2e9e4d9281e50189b869ae87348d7c.exe
564	EXCEL.EXE
564	EXCEL.EXE
564	EXCEL.EXE
564	EXCEL.EXE
564	EXCEL.EXE
564	EXCEL.EXE

C:\Users\Admin\AppData\Local\Temp\051780f02c9584cbaf53c96977d1e7055a2e9e4d9281e50189b869ae87348d7c.exe
"C:\Users\Admin\AppData\Local\Temp\051780f02c9584cbaf53c96977d1e7055a2e9e4d9281e50189b869ae87348d7c.exe"
1⤵
- Suspicious use of SetWindowsHookEx
PID:1312

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:564

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

C:\Users\Admin\AppData\Local\Temp\BECC.tmp
Filesize
642KB

MD5
8f52d03c18dbdda80fa2724f02a2cc3f

SHA1
efc6551d79dd6e1cfc4a5eb7ac84318a1a26e3cf

SHA256
345ebf763b1b5ab84f3b856b13bebc0c68562526a7faf834ee5eabd6cf138386

SHA512
586b1ff030acf6b5b6d881c0b5007da92a4a48955e30b9fb4bb7e7e0156cf4128cfeec3be2746bcc9b74cb5532c478a361d17c33482e2307ff904becbdb2665a

Download Submit
memory/564-134-0x00007FF7FA290000-0x00007FF7FA2A0000-memory.dmp

Filesize
64KB

Download
memory/564-135-0x00007FF7FA290000-0x00007FF7FA2A0000-memory.dmp

Filesize
64KB

Download
memory/564-136-0x00007FF7FA290000-0x00007FF7FA2A0000-memory.dmp

Filesize
64KB

Download
memory/564-137-0x00007FF7FA290000-0x00007FF7FA2A0000-memory.dmp

Filesize
64KB

Download
memory/564-138-0x00007FF7FA290000-0x00007FF7FA2A0000-memory.dmp

Filesize
64KB

Download
memory/564-139-0x00007FF7F7930000-0x00007FF7F7940000-memory.dmp

Filesize
64KB

Download
memory/564-140-0x00007FF7F7930000-0x00007FF7F7940000-memory.dmp

Filesize
64KB

Download
memory/564-142-0x0000028BB71C0000-0x0000028BB71C4000-memory.dmp

Filesize
16KB

Download