904447250e4c9da2c418737f735b6933d4af6d686bf13e3f16945a9a04eb39f5

Analysis

max time kernel
140s
max time network
136s
platform
windows10_x64
resource
win10v20201028
submitted
20-11-2020 16:05

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Report Analysis Logs

General

Target

document-45925908.xlsb
Size

329KB
MD5

037186edc7349c8e8ccea1a13005bda5
SHA1

bed9dbfcf009d5d6cb3af014fd33bbc89a4e3626
SHA256

904447250e4c9da2c418737f735b6933d4af6d686bf13e3f16945a9a04eb39f5
SHA512

aa645f063867d7d42c44042011e8a260e017ba7cb48cebffef4d634c814327e50421b8876ac851f39cfe354f07aa85086e55eef9c63974b062e107b38ab873c7

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

948 EXCEL.EXE
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

EXCEL.EXE

pid process

948 EXCEL.EXE
948 EXCEL.EXE
948 EXCEL.EXE
948 EXCEL.EXE
948 EXCEL.EXE
948 EXCEL.EXE
948 EXCEL.EXE
948 EXCEL.EXE
948 EXCEL.EXE

pid	process
948	EXCEL.EXE

pid	process
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	EXCEL.EXE
948	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\document-45925908.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:948

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/948-0-0x00007FFA6A3F0000-0x00007FFA6AA27000-memory.dmp

Filesize
6.2MB

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