42a85a33d440c195bbe8890b74fa396875a33fd6354a4b2c7ca6dfb9516c6e6e

Analysis

max time kernel
137s
max time network
134s
platform
windows10_x64
resource
win10v20201028
submitted
26-01-2021 06:56

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General

Target

PO-FRE590164.xlsx
Size

2.2MB
MD5

c175f48a4862c49ec69263b5df33a71f
SHA1

e6c98cffb65b0ef3e59020b4f094e0c5123d7f5b
SHA256

42a85a33d440c195bbe8890b74fa396875a33fd6354a4b2c7ca6dfb9516c6e6e
SHA512

52fa94e7f416a2b904685f7fd52bcfe7bf73dccc9c6410e9b1300e4a549a806073605764e8339db74f2b4dda07d11ea001e011aa3a68e7d486a468b1a5557a0c

Score

5^/10

ransomware

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
ransomware

System Information Discovery
T1082

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

4724 EXCEL.EXE
Suspicious use of FindShellTrayWindow 2 IoCs

Processes:

EXCEL.EXE

pid process

4724 EXCEL.EXE
4724 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	EXCEL.EXE
4724	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\PO-FRE590164.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:4724

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

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Downloads

memory/4724-2-0x00007FF83FDE0000-0x00007FF83FDF0000-memory.dmp

Filesize
64KB

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memory/4724-3-0x00007FF83FDE0000-0x00007FF83FDF0000-memory.dmp

Filesize
64KB

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memory/4724-4-0x00007FF83FDE0000-0x00007FF83FDF0000-memory.dmp

Filesize
64KB

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memory/4724-5-0x00007FF863EC0000-0x00007FF8644F7000-memory.dmp

Filesize
6.2MB

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memory/4724-6-0x00007FF83FDE0000-0x00007FF83FDF0000-memory.dmp

Filesize
64KB

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads