45a5e03c408e2dea78de2ae773a8197d43b670ffbbfa2489f9990383ac6d6017

Analysis

max time kernel
148s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 04:16

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General

Target

45a5e03c408e2dea78de2ae773a8197d43b670ffbbfa2489f9990383ac6d6017.xlsm
Size

407KB
MD5

9ca0daca41291c2f864a4dcd71f54dcd
SHA1

1a4235b89ffc6c54ce48e6a45ac49fcd44fa8503
SHA256

45a5e03c408e2dea78de2ae773a8197d43b670ffbbfa2489f9990383ac6d6017
SHA512

11874115c9d30292c2c0afcaaca2f622dd72ff196310278ddb0b8d8bf8b31814d901b5befd090951801f7b156373ed27438109fb2472e0183a7e094c80061d90

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

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 22 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

4444 EXCEL.EXE

description	flow	ioc
HTTP User-Agent header	22	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	EXCEL.EXE
4444	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\45a5e03c408e2dea78de2ae773a8197d43b670ffbbfa2489f9990383ac6d6017.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4444

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/4444-130-0x00007FFC2A490000-0x00007FFC2A4A0000-memory.dmp

Filesize
64KB

Download
memory/4444-131-0x00007FFC2A490000-0x00007FFC2A4A0000-memory.dmp

Filesize
64KB

Download
memory/4444-132-0x00007FFC2A490000-0x00007FFC2A4A0000-memory.dmp

Filesize
64KB

Download
memory/4444-133-0x00007FFC2A490000-0x00007FFC2A4A0000-memory.dmp

Filesize
64KB

Download
memory/4444-134-0x00007FFC2A490000-0x00007FFC2A4A0000-memory.dmp

Filesize
64KB

Download
memory/4444-135-0x00007FFC28140000-0x00007FFC28150000-memory.dmp

Filesize
64KB

Download
memory/4444-136-0x00007FFC28140000-0x00007FFC28150000-memory.dmp

Filesize
64KB

Download
memory/4444-137-0x0000024C77F50000-0x0000024C77F54000-memory.dmp

Filesize
16KB

Download
memory/4444-138-0x0000024C74388000-0x0000024C7438A000-memory.dmp

Filesize
8KB

Download