1e92fde2a582256674c8528113695e810990fb4b48b84287e3bcaca224d6cc53

Analysis

max time kernel
268s
max time network
313s
platform
windows10_x64
resource
win10-en-20210920
submitted
21-10-2021 16:18

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General

Target

Invoice-619401385_20211021.xlsb
Size

242KB
MD5

bd72bbf56fe20c6d617592b34a811ec2
SHA1

841fb8268ceb0fadde341a3c91a3e380d54d3d0b
SHA256

1e92fde2a582256674c8528113695e810990fb4b48b84287e3bcaca224d6cc53
SHA512

bf8d060a91762f8e3570835f8ae096f9bdfe5edee80eb0d9b80e574cc3831ea9575d2728afeeaf812d9af157cfd3eddac14fbb20754599e0fee1e208ab084d09

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

4068 EXCEL.EXE

Suspicious use of SetWindowsHookEx 14 IoCs

Processes:

EXCEL.EXE

pid	process
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	EXCEL.EXE
4068	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\Invoice-619401385_20211021.xlsb"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:4068

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/4068-115-0x00007FF937A30000-0x00007FF937A40000-memory.dmp

Filesize
64KB

Download
memory/4068-116-0x00007FF937A30000-0x00007FF937A40000-memory.dmp

Filesize
64KB

Download
memory/4068-117-0x00007FF937A30000-0x00007FF937A40000-memory.dmp

Filesize
64KB

Download
memory/4068-118-0x00007FF937A30000-0x00007FF937A40000-memory.dmp

Filesize
64KB

Download
memory/4068-119-0x000001FF44350000-0x000001FF44352000-memory.dmp

Filesize
8KB

Download
memory/4068-120-0x000001FF44350000-0x000001FF44352000-memory.dmp

Filesize
8KB

Download
memory/4068-121-0x00007FF937A30000-0x00007FF937A40000-memory.dmp

Filesize
64KB

Download
memory/4068-122-0x000001FF44350000-0x000001FF44352000-memory.dmp

Filesize
8KB

Download
memory/4068-128-0x00007FF934D50000-0x00007FF934D60000-memory.dmp

Filesize
64KB

Download
memory/4068-129-0x00007FF934D50000-0x00007FF934D60000-memory.dmp

Filesize
64KB

Download
memory/4068-174-0x000001FF44350000-0x000001FF44352000-memory.dmp

Filesize
8KB

Download
memory/4068-175-0x000001FF44350000-0x000001FF44352000-memory.dmp

Filesize
8KB

Download