1256f793afb38cb63438acdbb6e1e3646eb66d4ecd1c4fe79178702e43311c94

Analysis

max time kernel
121s
max time network
140s
platform
windows10_x64
resource
win10v20210408
submitted
02-05-2021 06:01

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General

Target

DocNo2300058329.doc__.rtf
Size

316KB
MD5

5e37b9c3ab14d8c2349506fa6be2de0d
SHA1

1e5777efbbe88c9f92ec0438eb07d9b7c92ea43d
SHA256

1256f793afb38cb63438acdbb6e1e3646eb66d4ecd1c4fe79178702e43311c94
SHA512

2eb029a1e719a5312084d0ead75af3276a9bab55a112f71df820fd4f681cdfda7eeabdc8ca1cd124e7c5381b5104bf712117fcf1ca6f4dacc6379970241cddca

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

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

Processes:

WINWORD.EXE

pid process

820 WINWORD.EXE
820 WINWORD.EXE
820 WINWORD.EXE
820 WINWORD.EXE
820 WINWORD.EXE
820 WINWORD.EXE
820 WINWORD.EXE

pid	process
820	WINWORD.EXE
820	WINWORD.EXE

pid	process
820	WINWORD.EXE
820	WINWORD.EXE
820	WINWORD.EXE
820	WINWORD.EXE
820	WINWORD.EXE
820	WINWORD.EXE
820	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\DocNo2300058329.doc__.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:820

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/820-114-0x00007FFDB5990000-0x00007FFDB59A0000-memory.dmp

Filesize
64KB

Download
memory/820-115-0x00007FFDB5990000-0x00007FFDB59A0000-memory.dmp

Filesize
64KB

Download
memory/820-116-0x00007FFDB5990000-0x00007FFDB59A0000-memory.dmp

Filesize
64KB

Download
memory/820-117-0x00007FFDB5990000-0x00007FFDB59A0000-memory.dmp

Filesize
64KB

Download
memory/820-119-0x00007FFDB5990000-0x00007FFDB59A0000-memory.dmp

Filesize
64KB

Download
memory/820-118-0x00007FFDD6450000-0x00007FFDD8F73000-memory.dmp

Filesize
43.1MB

Download
memory/820-122-0x00007FFDD0620000-0x00007FFDD170E000-memory.dmp

Filesize
16.9MB

Download
memory/820-123-0x00007FFDCE720000-0x00007FFDD0615000-memory.dmp

Filesize
31.0MB

Download