d424340df5bf70761d04e78a4c0781ffcd516549b33e1e6a25abf08d516ba8c4

Analysis

max time kernel
136s
max time network
120s
platform
windows10_x64
resource
win10v20201028
submitted
11-03-2021 16:10

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General

Target

281d.xlsm
Size

25KB
MD5

c7d04e6f667128aa991abf28821fc8bc
SHA1

e48c99f892b7939a1adca9c0373b72770b1c3755
SHA256

d424340df5bf70761d04e78a4c0781ffcd516549b33e1e6a25abf08d516ba8c4
SHA512

d77f1b692bdfe71e97b5181e952c3d84e52eb71c91267747867dc806a5c2748065faad4be044cf6f565a7a38d40b107e9b2ae12417ae0940dc198ede0c99fc5b

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

4712 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	EXCEL.EXE
4712	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\281d.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4712

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/4712-2-0x00007FF965210000-0x00007FF965220000-memory.dmp

Filesize
64KB

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memory/4712-3-0x00007FF965210000-0x00007FF965220000-memory.dmp

Filesize
64KB

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memory/4712-4-0x00007FF965210000-0x00007FF965220000-memory.dmp

Filesize
64KB

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memory/4712-6-0x00007FF965210000-0x00007FF965220000-memory.dmp

Filesize
64KB

Download
memory/4712-5-0x00007FF988D80000-0x00007FF9893B7000-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