df9f9bed6685eeba38defa87a755a0c8120f7b572094368e3aef41829039980d

Resubmissions

26-03-2023 03:18

230326-dtrkfshc71 8

26-03-2023 03:14

230326-drccrafd22 1

Analysis

max time kernel
54s
max time network
61s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
26-03-2023 03:14

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General

Target

factura.rtf
Size

11KB
MD5

05c137d8e79ce59ed6e4b7cd78e5b8a2
SHA1

3a41de3774b6a17a34a8bedf1a0881a3f08d492d
SHA256

5a31c77293af2920d7020d5d0236691adcea2c57c2716658ce118a5cba9d4913
SHA512

46551cb4556183b6d5e4fe20e1d2f916c9e50f109f1bec69cc3abce295d1be138c0dadc69ab7a510d4e29e59656b47b1d36a486c1e68d71c776271ff1ef58aa3
SSDEEP

192:TMv9/nrxOgNIVk04Pre4VqPuc+17rf14g/gjXKSDxX8VxrdPJH:Yv9/rsok+Prz1dZKXDsjtJH

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4092 WINWORD.EXE
4092 WINWORD.EXE
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

WINWORD.EXE

pid process

4092 WINWORD.EXE
4092 WINWORD.EXE
4092 WINWORD.EXE
4092 WINWORD.EXE
4092 WINWORD.EXE
4092 WINWORD.EXE
4092 WINWORD.EXE
4092 WINWORD.EXE
4092 WINWORD.EXE

pid	process
4092	WINWORD.EXE
4092	WINWORD.EXE

pid	process
4092	WINWORD.EXE
4092	WINWORD.EXE
4092	WINWORD.EXE
4092	WINWORD.EXE
4092	WINWORD.EXE
4092	WINWORD.EXE
4092	WINWORD.EXE
4092	WINWORD.EXE
4092	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\factura.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4092

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/4092-118-0x00007FF88C5F0000-0x00007FF88C600000-memory.dmp

Filesize
64KB

Download
memory/4092-119-0x00007FF88C5F0000-0x00007FF88C600000-memory.dmp

Filesize
64KB

Download
memory/4092-120-0x00007FF88C5F0000-0x00007FF88C600000-memory.dmp

Filesize
64KB

Download
memory/4092-121-0x00007FF88C5F0000-0x00007FF88C600000-memory.dmp

Filesize
64KB

Download
memory/4092-124-0x00007FF889A50000-0x00007FF889A60000-memory.dmp

Filesize
64KB

Download
memory/4092-125-0x00007FF889A50000-0x00007FF889A60000-memory.dmp

Filesize
64KB

Download