718dcc870c0de487595feed4e5e43dc70fba6fa2aaac15462c0ba5c20028e7bd

Analysis

max time kernel
121s
max time network
124s
platform
windows10_x64
resource
win10-en-20211104
submitted
25-11-2021 16:23

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General

Target

5aad2b6635b3069402aaf6ff389bea64.rtf
Size

21KB
MD5

5aad2b6635b3069402aaf6ff389bea64
SHA1

a8617ddffd6c934fcf3f64c6e84b1a23ffa9d092
SHA256

718dcc870c0de487595feed4e5e43dc70fba6fa2aaac15462c0ba5c20028e7bd
SHA512

2bcdcc3775f8d2a163b8b564232a5839fe625b8ab7f8b6de613b57abf436e6acb095d5bc2a081e966aa4422a9edb9a81df031d4da40add21cef4404aa45a5d3d

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

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2640 WINWORD.EXE
2640 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

2640 WINWORD.EXE
2640 WINWORD.EXE
2640 WINWORD.EXE
2640 WINWORD.EXE
2640 WINWORD.EXE
2640 WINWORD.EXE
2640 WINWORD.EXE

pid	process
2640	WINWORD.EXE
2640	WINWORD.EXE

pid	process
2640	WINWORD.EXE
2640	WINWORD.EXE
2640	WINWORD.EXE
2640	WINWORD.EXE
2640	WINWORD.EXE
2640	WINWORD.EXE
2640	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\5aad2b6635b3069402aaf6ff389bea64.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2640

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/2640-118-0x00007FFEC5120000-0x00007FFEC5130000-memory.dmp

Filesize
64KB

Download
memory/2640-119-0x00007FFEC5120000-0x00007FFEC5130000-memory.dmp

Filesize
64KB

Download
memory/2640-120-0x00007FFEC5120000-0x00007FFEC5130000-memory.dmp

Filesize
64KB

Download
memory/2640-121-0x00007FFEC5120000-0x00007FFEC5130000-memory.dmp

Filesize
64KB

Download
memory/2640-122-0x000001408AC00000-0x000001408AC02000-memory.dmp

Filesize
8KB

Download
memory/2640-123-0x000001408AC00000-0x000001408AC02000-memory.dmp

Filesize
8KB

Download
memory/2640-124-0x00007FFEC5120000-0x00007FFEC5130000-memory.dmp

Filesize
64KB

Download
memory/2640-125-0x000001408AC00000-0x000001408AC02000-memory.dmp

Filesize
8KB

Download