d457665e20ae3ed464b7a31b570a3fcdd70dbbca55933d1d8b3bd8e0379bbfca

Analysis

max time kernel
123s
max time network
148s
platform
windows10_x64
resource
win10-20220414-en
submitted
07-07-2022 03:56

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General

Target

d457665e20ae3ed464b7a31b570a3fcdd70dbbca55933d1d8b3bd8e0379bbfca.xls
Size

95KB
MD5

fab9505c56362f85aa5f39d0c2cb6334
SHA1

f4802aa962c9504364dccad6728e4872887db418
SHA256

d457665e20ae3ed464b7a31b570a3fcdd70dbbca55933d1d8b3bd8e0379bbfca
SHA512

f3b786c44b9eec8fd4336f6af3304e709eb288277e7fd339304da185a1b74b228a00f214a69084b604f179b06abdb24d002fd4ecfd3f050e4d92d1f64f9f7853

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://edoraseguros.com.br/cgi-bin/jQNq9wlH1GXU/

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

3988 EXCEL.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

3988 EXCEL.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXE

pid process

3988 EXCEL.EXE
3988 EXCEL.EXE
3988 EXCEL.EXE
3988 EXCEL.EXE
3988 EXCEL.EXE
3988 EXCEL.EXE

pid	process
3988	EXCEL.EXE

pid	process
3988	EXCEL.EXE

pid	process
3988	EXCEL.EXE
3988	EXCEL.EXE
3988	EXCEL.EXE
3988	EXCEL.EXE
3988	EXCEL.EXE
3988	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\d457665e20ae3ed464b7a31b570a3fcdd70dbbca55933d1d8b3bd8e0379bbfca.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3988

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/3988-117-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/3988-118-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/3988-119-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/3988-120-0x00007FFEBF6A0000-0x00007FFEBF6B0000-memory.dmp

Filesize
64KB

Download
memory/3988-129-0x00007FFEBC780000-0x00007FFEBC790000-memory.dmp

Filesize
64KB

Download
memory/3988-130-0x00007FFEBC780000-0x00007FFEBC790000-memory.dmp

Filesize
64KB

Download