bb2350ec11c8b5f1778ed935c012b7453f3dc8f7ae0908bdd8fd6397f55feb92

Analysis

max time kernel
139s
max time network
133s
platform
windows10_x64
resource
win10v20201028
submitted
15-03-2021 06:27

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General

Target

attiv_1348.xlsb
Size

70KB
MD5

ed33e859df095416f8e2e0a330c6cc60
SHA1

471db1230bbc1a063796eb1c6c4cde4ea051d9a7
SHA256

bb2350ec11c8b5f1778ed935c012b7453f3dc8f7ae0908bdd8fd6397f55feb92
SHA512

809f0ecf383b91638c26e14b3b6926e1eb4f1059d7e00766baf435d6a7e641f525aab61ac87c9c12c7e9eea389d7ffa71dc2ce9123661766d94c4b8ce64d6b4c

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

880 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	EXCEL.EXE
880	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_1348.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:880

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/880-2-0x00007FF920240000-0x00007FF920250000-memory.dmp

Filesize
64KB

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memory/880-3-0x00007FF920240000-0x00007FF920250000-memory.dmp

Filesize
64KB

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memory/880-4-0x00007FF920240000-0x00007FF920250000-memory.dmp

Filesize
64KB

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memory/880-5-0x00007FF920240000-0x00007FF920250000-memory.dmp

Filesize
64KB

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memory/880-6-0x00007FF943B60000-0x00007FF944197000-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