48af10595cf68328465412bae7225b4c5da1f4394ddaa58735b15e062c502329

Analysis

max time kernel
115s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
13-05-2022 14:33

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General

Target

decrypted.xlsx
Size

177KB
MD5

ed6cfe2f33c53a2f00b89df64378d92d
SHA1

9887eb84bad60aeb24118f376ed20653b529ff01
SHA256

8bd763832d675d199f3e2b74daf55d3e575a6f1c40b9e51f00dfa2e7703d9d9d
SHA512

bb1182e7ba03becd8c2a6cfb911d1b9cf4dfe353320afd1053ed8094d5015cf1855480cb1f03c535920787dc250e880219f20b226f9ea2510e6e31a36277fec7

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

1528 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	EXCEL.EXE
1528	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:1528

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/1528-130-0x00007FF8C6890000-0x00007FF8C68A0000-memory.dmp

Filesize
64KB

Download
memory/1528-131-0x00007FF8C6890000-0x00007FF8C68A0000-memory.dmp

Filesize
64KB

Download
memory/1528-132-0x00007FF8C6890000-0x00007FF8C68A0000-memory.dmp

Filesize
64KB

Download
memory/1528-133-0x00007FF8C6890000-0x00007FF8C68A0000-memory.dmp

Filesize
64KB

Download
memory/1528-134-0x00007FF8C6890000-0x00007FF8C68A0000-memory.dmp

Filesize
64KB

Download
memory/1528-135-0x00007FF8C40E0000-0x00007FF8C40F0000-memory.dmp

Filesize
64KB

Download
memory/1528-136-0x00007FF8C40E0000-0x00007FF8C40F0000-memory.dmp

Filesize
64KB

Download
memory/1528-140-0x00007FF8C6890000-0x00007FF8C68A0000-memory.dmp

Filesize
64KB

Download
memory/1528-139-0x00007FF8C6890000-0x00007FF8C68A0000-memory.dmp

Filesize
64KB

Download
memory/1528-138-0x00007FF8C6890000-0x00007FF8C68A0000-memory.dmp

Filesize
64KB

Download
memory/1528-141-0x00007FF8C6890000-0x00007FF8C68A0000-memory.dmp

Filesize
64KB

Download