a2f34d41dae7d24e7a1e6c67b720266f3562fa588f9425bfd9d97db75fa69dac

Analysis

max time kernel
120s
max time network
151s
platform
windows10_x64
resource
win10-en-20211208
submitted
31-01-2022 07:25

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General

Target

RFQ_20220131.rtf
Size

2.2MB
MD5

1003a3560932316f965eceb34ec38488
SHA1

ff874bf58b3d4e6563803c4c5353be46c937bb8d
SHA256

a2f34d41dae7d24e7a1e6c67b720266f3562fa588f9425bfd9d97db75fa69dac
SHA512

42b0b0577c285350487c0a0868de375914f1f5040ac3b02b689aaa060fa4a7aa010d4908aeee0671eaca46a03b97d0dbc34f10259ddf7d07dc5978b42b6c07ff

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

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{388EAB5E-70DE-4237-B583-8968AA1167F4}\Client.vbs:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3704 WINWORD.EXE
3704 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

3704 WINWORD.EXE
3704 WINWORD.EXE
3704 WINWORD.EXE
3704 WINWORD.EXE
3704 WINWORD.EXE
3704 WINWORD.EXE
3704 WINWORD.EXE

pid	process
3704	WINWORD.EXE
3704	WINWORD.EXE

pid	process
3704	WINWORD.EXE
3704	WINWORD.EXE
3704	WINWORD.EXE
3704	WINWORD.EXE
3704	WINWORD.EXE
3704	WINWORD.EXE
3704	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\RFQ_20220131.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3704

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/3704-116-0x00007FF969B20000-0x00007FF969B30000-memory.dmp

Filesize
64KB

Download
memory/3704-117-0x00007FF969B20000-0x00007FF969B30000-memory.dmp

Filesize
64KB

Download
memory/3704-118-0x00007FF969B20000-0x00007FF969B30000-memory.dmp

Filesize
64KB

Download
memory/3704-119-0x00007FF969B20000-0x00007FF969B30000-memory.dmp

Filesize
64KB

Download
memory/3704-122-0x00007FF966FD0000-0x00007FF966FE0000-memory.dmp

Filesize
64KB

Download
memory/3704-123-0x00007FF969B20000-0x00007FF969B30000-memory.dmp

Filesize
64KB

Download
memory/3704-124-0x00007FF966FD0000-0x00007FF966FE0000-memory.dmp

Filesize
64KB

Download
memory/3704-340-0x00007FF969B20000-0x00007FF969B30000-memory.dmp

Filesize
64KB

Download
memory/3704-341-0x00007FF969B20000-0x00007FF969B30000-memory.dmp

Filesize
64KB

Download
memory/3704-342-0x00007FF969B20000-0x00007FF969B30000-memory.dmp

Filesize
64KB

Download
memory/3704-343-0x00007FF969B20000-0x00007FF969B30000-memory.dmp

Filesize
64KB

Download