Malware Analysis Report

2024-11-13 18:25

Sample ID 241109-edasfawmd1
Target de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe
SHA256 de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21
Tags
grandoreiro discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21

Threat Level: Known bad

The file de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe was found to be: Known bad.

Malicious Activity Summary

grandoreiro discovery

Detects Grandoreiro payload

Grandoreiro family

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-09 03:49

Signatures

Detects Grandoreiro payload

Description Indicator Process Target
N/A N/A N/A N/A

Grandoreiro family

grandoreiro

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-09 03:48

Reported

2024-11-09 03:51

Platform

win7-20240903-en

Max time kernel

119s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe"

Signatures

Processes

C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe

"C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2052 -s 256

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-09 03:48

Reported

2024-11-09 03:51

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe"

Signatures

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe

"C:\Users\Admin\AppData\Local\Temp\de87ce756e50ab7af5074e91a856029d87656fdf7fe095af5661038da9de8c21.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2160 -ip 2160

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2160 -s 684

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 67.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 68.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 103.209.201.84.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 21.236.111.52.in-addr.arpa udp
US 8.8.8.8:53 11.179.89.13.in-addr.arpa udp

Files

N/A