baea29755ad7d0d89ae6ec2229bb06fafaf5a68869b3f07adad15e7020a79fd1

Analysis

max time kernel
100s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
28-06-2022 08:26

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General

Target

decrypted.xlsx
Size

156KB
MD5

4e4e1faa4f89fd324a0d3cb7609740ee
SHA1

c9194e4a27abcf199dd82e6cefc12c100f60c745
SHA256

4fa076b9edb70ff44a8c67442a5337293d9e6c6c9c9bf9acc23fce485116a741
SHA512

8500aca084c2f591aa0bf2b29f40d6be0866f72c27b869992d66cb754d879554cd41a70fccabbaff01f8e09f8e529102532560c4673e9b1e270724219458f43b

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4280 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	EXCEL.EXE
4280	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\decrypted.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4280

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/4280-130-0x00007FFB41170000-0x00007FFB41180000-memory.dmp

Filesize
64KB

Download
memory/4280-131-0x00007FFB41170000-0x00007FFB41180000-memory.dmp

Filesize
64KB

Download
memory/4280-132-0x00007FFB41170000-0x00007FFB41180000-memory.dmp

Filesize
64KB

Download
memory/4280-133-0x00007FFB41170000-0x00007FFB41180000-memory.dmp

Filesize
64KB

Download
memory/4280-134-0x00007FFB41170000-0x00007FFB41180000-memory.dmp

Filesize
64KB

Download
memory/4280-135-0x00007FFB3EDB0000-0x00007FFB3EDC0000-memory.dmp

Filesize
64KB

Download
memory/4280-136-0x00007FFB3EDB0000-0x00007FFB3EDC0000-memory.dmp

Filesize
64KB

Download
memory/4280-138-0x00007FFB41170000-0x00007FFB41180000-memory.dmp

Filesize
64KB

Download
memory/4280-139-0x00007FFB41170000-0x00007FFB41180000-memory.dmp

Filesize
64KB

Download
memory/4280-140-0x00007FFB41170000-0x00007FFB41180000-memory.dmp

Filesize
64KB

Download
memory/4280-141-0x00007FFB41170000-0x00007FFB41180000-memory.dmp

Filesize
64KB

Download