766d5992e7050967078d3651639b3ec9be2dd7db984292d2381def8bc1c4b243

Analysis

max time kernel
135s
max time network
141s
platform
windows10_x64
resource
win10-20220414-en
submitted
07-07-2022 03:55

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General

Target

766d5992e7050967078d3651639b3ec9be2dd7db984292d2381def8bc1c4b243.xls
Size

95KB
MD5

647ed848945a148b0b4407c30dbb10e6
SHA1

0318a81093973aa0a4c7d3e0e1739133e146151e
SHA256

766d5992e7050967078d3651639b3ec9be2dd7db984292d2381def8bc1c4b243
SHA512

d7e48dde4192987427e160cb1b034cd39b76ae0e84f93130f84078c6ccc78b3648fe12994f7570350ee6a31f9ad1bca0493068bfda51b6fdec6166dd3e9aa5c6

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

3096 EXCEL.EXE
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

EXCEL.EXE

pid process

3096 EXCEL.EXE
Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

EXCEL.EXE

pid process

3096 EXCEL.EXE
3096 EXCEL.EXE
3096 EXCEL.EXE
3096 EXCEL.EXE
3096 EXCEL.EXE
3096 EXCEL.EXE

pid	process
3096	EXCEL.EXE

pid	process
3096	EXCEL.EXE

pid	process
3096	EXCEL.EXE
3096	EXCEL.EXE
3096	EXCEL.EXE
3096	EXCEL.EXE
3096	EXCEL.EXE
3096	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\766d5992e7050967078d3651639b3ec9be2dd7db984292d2381def8bc1c4b243.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:3096

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/3096-114-0x00007FFECF770000-0x00007FFECF780000-memory.dmp

Filesize
64KB

Download
memory/3096-115-0x00007FFECF770000-0x00007FFECF780000-memory.dmp

Filesize
64KB

Download
memory/3096-116-0x00007FFECF770000-0x00007FFECF780000-memory.dmp

Filesize
64KB

Download
memory/3096-117-0x00007FFECF770000-0x00007FFECF780000-memory.dmp

Filesize
64KB

Download
memory/3096-126-0x00007FFECC0E0000-0x00007FFECC0F0000-memory.dmp

Filesize
64KB

Download
memory/3096-127-0x00007FFECC0E0000-0x00007FFECC0F0000-memory.dmp

Filesize
64KB

Download