ef25940acecd4fd916e53386f63b8fb69102f2f13e2b7b9e89f64775da9afa08

Analysis

max time kernel
140s
max time network
138s
platform
windows10_x64
resource
win10v20201028
submitted
18-01-2021 13:43

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General

Target

RFQ TK011821.doc.rtf
Size

1.5MB
MD5

ec733578c8fccf0e3930ddcb2b337228
SHA1

df8b20801a5ee07f8de71679bb434c94858b0f9e
SHA256

ef25940acecd4fd916e53386f63b8fb69102f2f13e2b7b9e89f64775da9afa08
SHA512

2af97e61aa4b3efbf1e1027f7a937130bf2e31ef21f123beff209dd72a0adbad3d1da6e8244e5ffffc3838c3439d4aa2492498866b4a5d9ba87cfd4d1cda3a59

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 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\{7B09E0A6-F115-4F80-B8FF-2CE35AF09ACF}\Client.vbs:Zone.Identifier	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

4688 WINWORD.EXE
4688 WINWORD.EXE
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

4688 WINWORD.EXE
4688 WINWORD.EXE
4688 WINWORD.EXE
4688 WINWORD.EXE
4688 WINWORD.EXE
4688 WINWORD.EXE
4688 WINWORD.EXE

pid	process
4688	WINWORD.EXE
4688	WINWORD.EXE

pid	process
4688	WINWORD.EXE
4688	WINWORD.EXE
4688	WINWORD.EXE
4688	WINWORD.EXE
4688	WINWORD.EXE
4688	WINWORD.EXE
4688	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\RFQ TK011821.doc.rtf" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- NTFS ADS
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4688

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

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Downloads

memory/4688-2-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

Download
memory/4688-3-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

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memory/4688-4-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

Download
memory/4688-5-0x00007FFCCE2C0000-0x00007FFCCE2D0000-memory.dmp

Filesize
64KB

Download
memory/4688-6-0x00007FFCEDB30000-0x00007FFCEE167000-memory.dmp

Filesize
6.2MB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads