35861e379c79bd0a247c0fe0e582f2406c4a0a6df3151009f0d930960e70a1a9

Analysis

max time kernel
136s
max time network
134s
platform
windows10_x64
resource
win10v20201028
submitted
13-11-2020 16:47

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

document-1590772548.xlsb
Size

291KB
MD5

af5036800276c05ec011cb8cace3f08d
SHA1

56e47620e3cb9dd2bcd3f128c546617d5bcbb82d
SHA256

35861e379c79bd0a247c0fe0e582f2406c4a0a6df3151009f0d930960e70a1a9
SHA512

a0d7d6c03cabbe11133f789ae186a49b9b0c83e66e471798983b65fc3ca52a3e46df8781c041112e2ca68184db9848f974e0432d50b9c6ba78c12227be8bea2f

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:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

3160 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

3160 EXCEL.EXE
3160 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE
3160	EXCEL.EXE

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\document-1590772548.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3160

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

Loading Replay Monitor...

Downloads

memory/3160-0-0x00007FFFF33F0000-0x00007FFFF3A27000-memory.dmp

Filesize
6.2MB

Download