0f2085a88aae9e44e3771ddde9c7b1337f25e21416feb4341ffed1a47ccfdf2f

Analysis

max time kernel
139s
max time network
134s
platform
windows10_x64
resource
win10v20201028
submitted
13-01-2021 13:17

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General

Target

13-01-21.xlsx
Size

1.6MB
MD5

43754a8d050bfb5fa1235a90bd89782b
SHA1

8d52c8b3cdb59b6ccd983b3cff5131ad59929bfc
SHA256

0f2085a88aae9e44e3771ddde9c7b1337f25e21416feb4341ffed1a47ccfdf2f
SHA512

f4121f8e40a692c13cc27b60a237b3f53c31d46f532e8fdf721ebf3af4f302a8b149e3cb2b33a4e0d884047b3d565d782bf219e321ef6950fb7cd2dd2426f5c0

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

576 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
576	EXCEL.EXE
576	EXCEL.EXE
576	EXCEL.EXE
576	EXCEL.EXE
576	EXCEL.EXE
576	EXCEL.EXE
576	EXCEL.EXE
576	EXCEL.EXE
576	EXCEL.EXE
576	EXCEL.EXE
576	EXCEL.EXE
576	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\13-01-21.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:576

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/576-2-0x00007FFC346F0000-0x00007FFC34D27000-memory.dmp

Filesize
6.2MB

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