a5710d566d75764e63a8669e72f21b5542c234af87a4217cf0415799cbe9c5e1

Analysis

max time kernel
143s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
28-04-2022 06:29

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General

Target

BL.xlsx
Size

289KB
MD5

b8e9f95d4fa7c45a88a676e7bb3fc9ae
SHA1

acc6e22cbca2be6226fbddd46ce1ae8304f4f996
SHA256

a5710d566d75764e63a8669e72f21b5542c234af87a4217cf0415799cbe9c5e1
SHA512

27ce1fc0a872ec06fd8cc5ca9d8da3dda05988a887e29b14066648fb855b8977169dca0e0c585c7516359ce10321787de57a682da39eed347f1cdbd922da254e

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

4688 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	EXCEL.EXE
4688	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\BL.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4688

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/4688-130-0x00007FFD20A90000-0x00007FFD20AA0000-memory.dmp

Filesize
64KB

Download
memory/4688-131-0x00007FFD20A90000-0x00007FFD20AA0000-memory.dmp

Filesize
64KB

Download
memory/4688-132-0x00007FFD20A90000-0x00007FFD20AA0000-memory.dmp

Filesize
64KB

Download
memory/4688-133-0x00007FFD20A90000-0x00007FFD20AA0000-memory.dmp

Filesize
64KB

Download
memory/4688-134-0x00007FFD20A90000-0x00007FFD20AA0000-memory.dmp

Filesize
64KB

Download
memory/4688-135-0x00007FFD1E400000-0x00007FFD1E410000-memory.dmp

Filesize
64KB

Download
memory/4688-136-0x00007FFD1E400000-0x00007FFD1E410000-memory.dmp

Filesize
64KB

Download
memory/4688-138-0x00007FFD20A90000-0x00007FFD20AA0000-memory.dmp

Filesize
64KB

Download
memory/4688-139-0x00007FFD20A90000-0x00007FFD20AA0000-memory.dmp

Filesize
64KB

Download
memory/4688-140-0x00007FFD20A90000-0x00007FFD20AA0000-memory.dmp

Filesize
64KB

Download
memory/4688-141-0x00007FFD20A90000-0x00007FFD20AA0000-memory.dmp

Filesize
64KB

Download