1aa92f11b55e1592220870b7e9b8a718221a7285e643fda150a07071ba186f35

Analysis

max time kernel
134s
max time network
128s
platform
windows10_x64
resource
win10-20220414-en
submitted
07-07-2022 03:10

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General

Target

1aa92f11b55e1592220870b7e9b8a718221a7285e643fda150a07071ba186f35.xls
Size

95KB
MD5

1900b7fe6cc1ae60cceb3a79098cdef5
SHA1

40e87943ece5fd6e90fec73b2818a7bd0be4a370
SHA256

1aa92f11b55e1592220870b7e9b8a718221a7285e643fda150a07071ba186f35
SHA512

c03ccdca7270223703b7f3a36b70ab8b3e819f4e98e6e5701060d76ae4608fb71abb53576ffda55864c6e3ab6a2138f0a7cf8fe1145a0658935a942642c96b80

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 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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid process

536 EXCEL.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

536 EXCEL.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXE

pid process

536 EXCEL.EXE
536 EXCEL.EXE
536 EXCEL.EXE
536 EXCEL.EXE
536 EXCEL.EXE
536 EXCEL.EXE

pid	process
536	EXCEL.EXE

pid	process
536	EXCEL.EXE

pid	process
536	EXCEL.EXE
536	EXCEL.EXE
536	EXCEL.EXE
536	EXCEL.EXE
536	EXCEL.EXE
536	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\1aa92f11b55e1592220870b7e9b8a718221a7285e643fda150a07071ba186f35.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:536

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/536-118-0x00007FFA60F60000-0x00007FFA60F70000-memory.dmp

Filesize
64KB

Download
memory/536-119-0x00007FFA60F60000-0x00007FFA60F70000-memory.dmp

Filesize
64KB

Download
memory/536-120-0x00007FFA60F60000-0x00007FFA60F70000-memory.dmp

Filesize
64KB

Download
memory/536-121-0x00007FFA60F60000-0x00007FFA60F70000-memory.dmp

Filesize
64KB

Download
memory/536-130-0x00007FFA5D8F0000-0x00007FFA5D900000-memory.dmp

Filesize
64KB

Download
memory/536-131-0x00007FFA5D8F0000-0x00007FFA5D900000-memory.dmp

Filesize
64KB

Download