71825d7f9a697cf848f97101d3ebe423870d3c44093dad12ec11ebdf18aeb060

Resubmissions

21-11-2022 09:58

221121-lz1pbaea25 8

21-11-2022 09:57

221121-ly2vzshe2z 8

Analysis

max time kernel
145s
max time network
178s
platform
windows10-1703_x64
resource
win10-20220812-en
resource tags

arch:x64arch:x86image:win10-20220812-enlocale:en-usos:windows10-1703-x64system
submitted
21-11-2022 09:58

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General

Target

aap_payroll.doc
Size

168KB
MD5

aec27f5a6831b1da8db6f7db1cbca4fb
SHA1

3500ed61c0d1a41b52041906a083ee1a18a8d393
SHA256

71825d7f9a697cf848f97101d3ebe423870d3c44093dad12ec11ebdf18aeb060
SHA512

f0f792e57f692b144d332e23e48aa136244f593307f9088d7c71e0a760e20b46bff6655d9e2943a31121712d8468a4ac92ac85418e29e940a67a15fef664026e
SSDEEP

768:XLPr4j3NB/LHix26MeX4odogwgi4oVQYHgb2BLIiZmmmmmmmI+ZX4ujJOoJIGNj0:wjL/LHix26UoGbgi4JkFI3X7JO8jW

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

4328 WINWORD.EXE
4328 WINWORD.EXE

Suspicious use of SetWindowsHookEx 16 IoCs

Processes:

WINWORD.EXE

pid	process
4328	WINWORD.EXE
4328	WINWORD.EXE
4328	WINWORD.EXE
4328	WINWORD.EXE
4328	WINWORD.EXE
4328	WINWORD.EXE
4328	WINWORD.EXE
4328	WINWORD.EXE
4328	WINWORD.EXE
4328	WINWORD.EXE
4328	WINWORD.EXE
4328	WINWORD.EXE
4328	WINWORD.EXE
4328	WINWORD.EXE
4328	WINWORD.EXE
4328	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\aap_payroll.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4328

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/4328-118-0x00007FF83D3A0000-0x00007FF83D3B0000-memory.dmp

Filesize
64KB

Download
memory/4328-119-0x00007FF83D3A0000-0x00007FF83D3B0000-memory.dmp

Filesize
64KB

Download
memory/4328-120-0x00007FF83D3A0000-0x00007FF83D3B0000-memory.dmp

Filesize
64KB

Download
memory/4328-121-0x00007FF83D3A0000-0x00007FF83D3B0000-memory.dmp

Filesize
64KB

Download
memory/4328-124-0x00007FF839DB0000-0x00007FF839DC0000-memory.dmp

Filesize
64KB

Download
memory/4328-125-0x00007FF839DB0000-0x00007FF839DC0000-memory.dmp

Filesize
64KB

Download
memory/4328-285-0x00007FF83D3A0000-0x00007FF83D3B0000-memory.dmp

Filesize
64KB

Download
memory/4328-286-0x00007FF83D3A0000-0x00007FF83D3B0000-memory.dmp

Filesize
64KB

Download
memory/4328-287-0x00007FF83D3A0000-0x00007FF83D3B0000-memory.dmp

Filesize
64KB

Download
memory/4328-288-0x00007FF83D3A0000-0x00007FF83D3B0000-memory.dmp

Filesize
64KB

Download