cade31d51d4ee70763ed8e5b11beb699e7c7b913e43198146baae6df5d177510

Analysis

max time kernel
143s
max time network
140s
platform
windows10_x64
resource
win10v20201028
submitted
15-03-2021 08:59

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General

Target

attiv_949.xlsb
Size

76KB
MD5

6a2c98c5cf4994a7a029b098af49e08f
SHA1

9e2686ed4bf74baa346b8155e53c1c66238f0b14
SHA256

cade31d51d4ee70763ed8e5b11beb699e7c7b913e43198146baae6df5d177510
SHA512

c0bebb46fc5d72af7b97afc85821c4dea7651c8a3ce73ce79dfee6294579128caadfb2d79ca238277bcecf9f11251f7eeed4ca543cf59066491777114cbf1b80

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

528 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	EXCEL.EXE
528	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\attiv_949.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:528

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

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Downloads

memory/528-2-0x00007FFA91E20000-0x00007FFA91E30000-memory.dmp

Filesize
64KB

Download
memory/528-3-0x00007FFA91E20000-0x00007FFA91E30000-memory.dmp

Filesize
64KB

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memory/528-4-0x00007FFA91E20000-0x00007FFA91E30000-memory.dmp

Filesize
64KB

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memory/528-6-0x00007FFA91E20000-0x00007FFA91E30000-memory.dmp

Filesize
64KB

Download
memory/528-5-0x00007FFAB5AC0000-0x00007FFAB60F7000-memory.dmp

Filesize
6.2MB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads