a4c426f7bd1ff3a4292b8ee1e315d58f23a149901b1b245a0c774fa981d67afd

Analysis

max time kernel
137s
max time network
148s
platform
windows10_x64
resource
win10-20220414-en
submitted
02-06-2022 17:04

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General

Target

PO_6305977.xlsx
Size

136KB
MD5

bf43d6ef39e3ec80000aa17b5e1fa8ee
SHA1

a42be18ff81fefbb550d3789770aabd7f7b0a4b2
SHA256

a4c426f7bd1ff3a4292b8ee1e315d58f23a149901b1b245a0c774fa981d67afd
SHA512

ad3977db3960acaf5f21185ea303831b90f6dba497d762079bda5db598db021453e354d521d35e8b6102812a50e3ed8d0ee649a4d45fc53005568c884c85b495

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

2376 EXCEL.EXE

Suspicious use of SetWindowsHookEx 13 IoCs

Processes:

EXCEL.EXE

pid	process
2376	EXCEL.EXE
2376	EXCEL.EXE
2376	EXCEL.EXE
2376	EXCEL.EXE
2376	EXCEL.EXE
2376	EXCEL.EXE
2376	EXCEL.EXE
2376	EXCEL.EXE
2376	EXCEL.EXE
2376	EXCEL.EXE
2376	EXCEL.EXE
2376	EXCEL.EXE
2376	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\PO_6305977.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:2376

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/2376-117-0x00007FFEBDF70000-0x00007FFEBDF80000-memory.dmp

Filesize
64KB

Download
memory/2376-118-0x00007FFEBDF70000-0x00007FFEBDF80000-memory.dmp

Filesize
64KB

Download
memory/2376-119-0x00007FFEBDF70000-0x00007FFEBDF80000-memory.dmp

Filesize
64KB

Download
memory/2376-120-0x00007FFEBDF70000-0x00007FFEBDF80000-memory.dmp

Filesize
64KB

Download
memory/2376-129-0x00007FFEBA6B0000-0x00007FFEBA6C0000-memory.dmp

Filesize
64KB

Download
memory/2376-130-0x00007FFEBA6B0000-0x00007FFEBA6C0000-memory.dmp

Filesize
64KB

Download