9c853e5a73997e25ef20fcf2207ce105c05272943973eae6921d317ca2e84186

Analysis

max time kernel
121s
max time network
147s
platform
windows10_x64
resource
win10-en-20211104
submitted
16-11-2021 14:40

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General

Target

justificantes anticipos.xlsx
Size

228KB
MD5

0f90a8b479829e0c19abc92b17a6a27f
SHA1

683a157e611f489df9355f97d0bb1adcde7dd7d1
SHA256

9c853e5a73997e25ef20fcf2207ce105c05272943973eae6921d317ca2e84186
SHA512

a6d8cfe021b003e58f7983574000e948b88bbb4897d93f2fc118f245aca2ad702a2b8af93caa31bf22f50f762377c6f8cbd47fcb6d1d8cfded21105145d54566

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

3992 EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	EXCEL.EXE
3992	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\justificantes anticipos.xlsx"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:3992

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/3992-118-0x00007FFB4F580000-0x00007FFB4F590000-memory.dmp

Filesize
64KB

Download
memory/3992-119-0x00007FFB4F580000-0x00007FFB4F590000-memory.dmp

Filesize
64KB

Download
memory/3992-120-0x00007FFB4F580000-0x00007FFB4F590000-memory.dmp

Filesize
64KB

Download
memory/3992-121-0x00007FFB4F580000-0x00007FFB4F590000-memory.dmp

Filesize
64KB

Download
memory/3992-122-0x000001F8B81A0000-0x000001F8B81A2000-memory.dmp

Filesize
8KB

Download
memory/3992-123-0x000001F8B81A0000-0x000001F8B81A2000-memory.dmp

Filesize
8KB

Download
memory/3992-124-0x00007FFB4F580000-0x00007FFB4F590000-memory.dmp

Filesize
64KB

Download
memory/3992-125-0x000001F8B81A0000-0x000001F8B81A2000-memory.dmp

Filesize
8KB

Download