415df6eced9ab10f5acdc12b53746463692d9ba2e697dee481989300e4ae98e1

Analysis

max time kernel
139s
max time network
132s
platform
windows10_x64
resource
win10v20201028
submitted
22-01-2021 08:22

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General

Target

file.rtf
Size

2.1MB
MD5

8722742e5c06fa177d89e333eb144672
SHA1

0e47b669b2e65a2feda0acdf07e654b358dacb2e
SHA256

415df6eced9ab10f5acdc12b53746463692d9ba2e697dee481989300e4ae98e1
SHA512

6b024bd1a1c23b52409a08321d25582b5487476205d377354cf152d7befb379ff53bbbe0a4ab339dac0dccd8cc8a21fe9e8846bb9ff5d80ba9dc7b6280176173

Score

5^/10

ransomware

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082

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

NTFS ADS 1 IoCs

Processes:

WINWORD.EXE

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Local\Temp\{3F89B985-FF71-425A-8483-5AE2A81554B9}\Client.vbs:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

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

Processes:

WINWORD.EXE

pid process

644 WINWORD.EXE
644 WINWORD.EXE
644 WINWORD.EXE
644 WINWORD.EXE
644 WINWORD.EXE
644 WINWORD.EXE
644 WINWORD.EXE

pid	process
644	WINWORD.EXE
644	WINWORD.EXE

pid	process
644	WINWORD.EXE
644	WINWORD.EXE
644	WINWORD.EXE
644	WINWORD.EXE
644	WINWORD.EXE
644	WINWORD.EXE
644	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\file.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:644

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Query Registry

T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/644-2-0x00007FFC10600000-0x00007FFC10610000-memory.dmp

Filesize
64KB

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memory/644-3-0x00007FFC10600000-0x00007FFC10610000-memory.dmp

Filesize
64KB

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memory/644-4-0x00007FFC10600000-0x00007FFC10610000-memory.dmp

Filesize
64KB

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memory/644-5-0x00007FFC10600000-0x00007FFC10610000-memory.dmp

Filesize
64KB

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memory/644-6-0x00007FFC2FE70000-0x00007FFC304A7000-memory.dmp

Filesize
6.2MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads