9aea6342f41054eab27667160a40eada41c346b75cd2d31977f6d65d63c00fa3

Analysis

max time kernel
103s
max time network
132s
platform
windows10_x64
resource
win10v20210410
submitted
27-07-2021 08:08

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General

Target

Arrival notice.xlsx
Size

1.3MB
MD5

0274a495e9ef20a4b3bfd274695d79b7
SHA1

90c81259b0c08ece4698d440cbbb9dd5add9a4b7
SHA256

9aea6342f41054eab27667160a40eada41c346b75cd2d31977f6d65d63c00fa3
SHA512

87a0da0ccc539a64aa57d8feef8d76a4a55d3a8771428d52bfa7dcc8a081b23087cc01e6f6a322b6d378d3bce7378634ee5fdb28262606c0a1427898befa2b26

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

3156 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3156	EXCEL.EXE
3156	EXCEL.EXE
3156	EXCEL.EXE
3156	EXCEL.EXE
3156	EXCEL.EXE
3156	EXCEL.EXE
3156	EXCEL.EXE
3156	EXCEL.EXE
3156	EXCEL.EXE
3156	EXCEL.EXE
3156	EXCEL.EXE
3156	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\Arrival notice.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3156

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/3156-114-0x00007FF614AF0000-0x00007FF6180A6000-memory.dmp

Filesize
53.7MB

Download
memory/3156-115-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/3156-116-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/3156-117-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/3156-118-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/3156-122-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/3156-121-0x00007FF830790000-0x00007FF83187E000-memory.dmp

Filesize
16.9MB

Download
memory/3156-123-0x00007FF82E890000-0x00007FF830785000-memory.dmp

Filesize
31.0MB

Download
memory/3156-349-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/3156-350-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/3156-351-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download
memory/3156-352-0x00007FF810580000-0x00007FF810590000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

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Downloads