4e0947b236edd55683577f64ee4928c9d493de91cb71bcdcbeb0dded0799417d

Resubmissions

14-03-2023 10:34

230314-mmgaksgh5z 8

14-03-2023 10:29

230314-mh7xqsgh4w 8

14-03-2023 10:24

230314-mfw3fsgh2z 10

Analysis

max time kernel
111s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
14-03-2023 10:34

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General

Target

14032023.doc
Size

514.4MB
MD5

de985fab7d0e11eff3ae0a1044868092
SHA1

3fce21270bc18ac725fc843e60dcd356c2ddc542
SHA256

1c50a2316e7d9a3710d705c7f6b26b87a6e1b16175925c66591c476d8482eaea
SHA512

cd9dbac7913ba63482700a338c76ca769354e070ae3654fba42080aaf8d12459450acb3fbe05cfadaadb83943945019218fe79c95fddd77587352d01d9499076
SSDEEP

6144:5yk1RgZZXbN63GW1Z7krKSUzMNYJJdKkOl950uH54Lg4Ne9C:5/MXJ6WW1Z7ktUgNYJJdKkOHC4D409

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 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
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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

Script User-Agent 7 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	60	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	47	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	50	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	52	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	54	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	56	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	58	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2700 WINWORD.EXE
2700 WINWORD.EXE
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

2700 WINWORD.EXE
2700 WINWORD.EXE
2700 WINWORD.EXE
2700 WINWORD.EXE
2700 WINWORD.EXE
2700 WINWORD.EXE
2700 WINWORD.EXE
2700 WINWORD.EXE

pid	process
2700	WINWORD.EXE
2700	WINWORD.EXE

pid	process
2700	WINWORD.EXE
2700	WINWORD.EXE
2700	WINWORD.EXE
2700	WINWORD.EXE
2700	WINWORD.EXE
2700	WINWORD.EXE
2700	WINWORD.EXE
2700	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\14032023.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2700

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/2700-133-0x00007FFC26730000-0x00007FFC26740000-memory.dmp

Filesize
64KB

Download
memory/2700-134-0x00007FFC26730000-0x00007FFC26740000-memory.dmp

Filesize
64KB

Download
memory/2700-135-0x00007FFC26730000-0x00007FFC26740000-memory.dmp

Filesize
64KB

Download
memory/2700-136-0x00007FFC26730000-0x00007FFC26740000-memory.dmp

Filesize
64KB

Download
memory/2700-137-0x00007FFC26730000-0x00007FFC26740000-memory.dmp

Filesize
64KB

Download
memory/2700-138-0x00007FFC24320000-0x00007FFC24330000-memory.dmp

Filesize
64KB

Download
memory/2700-139-0x00007FFC24320000-0x00007FFC24330000-memory.dmp

Filesize
64KB

Download
memory/2700-169-0x00007FFC26730000-0x00007FFC26740000-memory.dmp

Filesize
64KB

Download
memory/2700-170-0x00007FFC26730000-0x00007FFC26740000-memory.dmp

Filesize
64KB

Download
memory/2700-171-0x00007FFC26730000-0x00007FFC26740000-memory.dmp

Filesize
64KB

Download
memory/2700-172-0x00007FFC26730000-0x00007FFC26740000-memory.dmp

Filesize
64KB

Download