06b686985f4246819d7fed52a2b9fc1dbed7406d80f902d655866aed61392cbd

Analysis

max time kernel
126s
max time network
141s
platform
windows10_x64
resource
win10v20210408
submitted
13-04-2021 09:01

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General

Target

2021lk049459.doc
Size

2.2MB
MD5

40f9df41effa8762858974452db083d9
SHA1

fd382c2ae4ad3545b5d198d8c51735045584f8ce
SHA256

06b686985f4246819d7fed52a2b9fc1dbed7406d80f902d655866aed61392cbd
SHA512

f09b0b5415ac3f1c9af5f13774bb01675540a3238ac23301b404f13fb847f62725e7ad03f7de7b0fbecf19c90ee2be53b5e7b09aada12780f7685258b54f58f2

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:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

804 WINWORD.EXE
804 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

804 WINWORD.EXE
804 WINWORD.EXE
804 WINWORD.EXE
804 WINWORD.EXE
804 WINWORD.EXE
804 WINWORD.EXE
804 WINWORD.EXE
804 WINWORD.EXE

pid	process
804	WINWORD.EXE
804	WINWORD.EXE

pid	process
804	WINWORD.EXE
804	WINWORD.EXE
804	WINWORD.EXE
804	WINWORD.EXE
804	WINWORD.EXE
804	WINWORD.EXE
804	WINWORD.EXE
804	WINWORD.EXE

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\2021lk049459.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:804

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/804-114-0x00007FF999990000-0x00007FF9999A0000-memory.dmp

Filesize
64KB

Download
memory/804-115-0x00007FF999990000-0x00007FF9999A0000-memory.dmp

Filesize
64KB

Download
memory/804-116-0x00007FF999990000-0x00007FF9999A0000-memory.dmp

Filesize
64KB

Download
memory/804-117-0x00007FF999990000-0x00007FF9999A0000-memory.dmp

Filesize
64KB

Download
memory/804-118-0x00007FF999990000-0x00007FF9999A0000-memory.dmp

Filesize
64KB

Download
memory/804-119-0x00007FF9BA5F0000-0x00007FF9BD113000-memory.dmp

Filesize
43.1MB

Download
memory/804-122-0x00007FF9B5D50000-0x00007FF9B6E3E000-memory.dmp

Filesize
16.9MB

Download
memory/804-123-0x00007FF9B35B0000-0x00007FF9B54A5000-memory.dmp

Filesize
31.0MB

Download

Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads