3c59aab375e8ebf7a3da914e7f1f38c6c54947b4c27c73c5c591ab27152dfe4d

Analysis

max time kernel
91s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20220721-en
resource tags

arch:x64arch:x86image:win10v2004-20220721-enlocale:en-usos:windows10-2004-x64system
submitted
11-08-2022 16:02

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General

Target

airdynefile08.11.22.docm
Size

2.2MB
MD5

9cbf5c3239d290b08ba1f0d8617b6802
SHA1

e0fab1bc0137f946134c22f27bd9f1bb9484c785
SHA256

3c59aab375e8ebf7a3da914e7f1f38c6c54947b4c27c73c5c591ab27152dfe4d
SHA512

8042fb552648d95ef3fd785e0d3c2b9efdcdb62ec81012e6d3369e923425948cebed2fc9b4fd165170319f9253bf46156eccfe3822d6959d892dd44725e17b3c

Score

10^/10

Malware Config

Signatures

Process spawned unexpected child process 1 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

WerFault.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	2520	3320	WerFault.exe	WINWORD.EXE

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2520 3320 WerFault.exe WINWORD.EXE

pid	pid_target	process	target process
2520	3320	WerFault.exe	WINWORD.EXE

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

3320 WINWORD.EXE
3320 WINWORD.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

WINWORD.EXE

pid process

3320 WINWORD.EXE
3320 WINWORD.EXE
3320 WINWORD.EXE
3320 WINWORD.EXE

pid	process
3320	WINWORD.EXE
3320	WINWORD.EXE

pid	process
3320	WINWORD.EXE
3320	WINWORD.EXE
3320	WINWORD.EXE
3320	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\airdynefile08.11.22.docm" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3320

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 3320 -s 4348
2⤵
- Process spawned unexpected child process
- Program crash
PID:2520

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 452 -p 3320 -ip 3320
1⤵
PID:4580

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/3320-130-0x00007FF9D5430000-0x00007FF9D5440000-memory.dmp

Filesize
64KB

Download
memory/3320-131-0x00007FF9D5430000-0x00007FF9D5440000-memory.dmp

Filesize
64KB

Download
memory/3320-132-0x00007FF9D5430000-0x00007FF9D5440000-memory.dmp

Filesize
64KB

Download
memory/3320-133-0x00007FF9D5430000-0x00007FF9D5440000-memory.dmp

Filesize
64KB

Download
memory/3320-134-0x00007FF9D5430000-0x00007FF9D5440000-memory.dmp

Filesize
64KB

Download
memory/3320-135-0x00007FF9D3050000-0x00007FF9D3060000-memory.dmp

Filesize
64KB

Download
memory/3320-136-0x00007FF9D3050000-0x00007FF9D3060000-memory.dmp

Filesize
64KB

Download
memory/3320-137-0x0000016DC2C51000-0x0000016DC2C53000-memory.dmp

Filesize
8KB

Download
memory/3320-138-0x0000016DC7BAD000-0x0000016DC7D90000-memory.dmp

Filesize
1.9MB

Download
memory/3320-139-0x0000016DBFFE0000-0x0000016DC00D6000-memory.dmp

Filesize
984KB

Download
memory/3320-140-0x0000016DBFFE0000-0x0000016DC00D6000-memory.dmp

Filesize
984KB

Download