e7657932eab205aa1e946f41120b31ef481b7ed87c225b215104c22f69a97841

Analysis

max time kernel
144s
max time network
140s
platform
windows10_x64
resource
win10v20201028
submitted
13-01-2021 06:20

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General

Target

BSL 01321 PYT.xlsx
Size

1.2MB
MD5

d3d8e84318aa37f8ddfb091d1f6fd3a1
SHA1

813965f6dd16278e8ab4b86ff3389bb06c8bbfc8
SHA256

e7657932eab205aa1e946f41120b31ef481b7ed87c225b215104c22f69a97841
SHA512

0a8102559b28bf6e92092b4f73579da19794ab8de97694506feb7e5d43349f379b3af05aeec8518b9217fa52f316599459114497c4af8f4f19aded5386428cce

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

732 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	EXCEL.EXE
732	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\BSL 01321 PYT.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:732

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/732-2-0x00007FF99EAB0000-0x00007FF99F0E7000-memory.dmp

Filesize
6.2MB

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