Malware Analysis Report

2024-10-23 21:07

Sample ID 201109-75xbh3aare
Target INVOICE..exe
SHA256 229082e6470957bbc79991b39d292de7465999a94311c23fc0c2c03035ae42c3
Tags
snakebot snakebot agenttesla coreentity keylogger rezer0 spyware stealer trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

229082e6470957bbc79991b39d292de7465999a94311c23fc0c2c03035ae42c3

Threat Level: Known bad

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

Malicious Activity Summary

snakebot snakebot agenttesla coreentity keylogger rezer0 spyware stealer trojan

CoreEntity .NET Packer

Snakebot family

AgentTesla

Contains SnakeBOT related strings

AgentTesla Payload

rezer0

Suspicious use of SetThreadContext

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2020-11-09 19:37

Signatures

Snakebot family

snakebot

Contains SnakeBOT related strings

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

Analysis: behavioral1

Detonation Overview

Submitted

2020-11-09 19:37

Reported

2020-11-09 22:11

Platform

win7v20201028

Max time kernel

66s

Max time network

115s

Command Line

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

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

CoreEntity .NET Packer

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

AgentTesla Payload

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

rezer0

rezer0
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1876 set thread context of 532 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1876 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1876 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1876 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1876 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1876 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1876 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1876 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1876 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1876 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1876 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1876 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 1876 wrote to memory of 532 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 532 wrote to memory of 1880 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\netsh.exe
PID 532 wrote to memory of 1880 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\netsh.exe
PID 532 wrote to memory of 1880 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\netsh.exe
PID 532 wrote to memory of 1880 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\netsh.exe

Processes

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

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

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"{path}"

C:\Windows\SysWOW64\netsh.exe

"netsh" wlan show profile

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 www.google.com.br udp
N/A 172.217.19.195:443 www.google.com.br tcp
N/A 72.21.91.29:80 tcp
N/A 172.217.17.131:80 tcp
N/A 172.217.17.142:443 tcp

Files

memory/1876-0-0x00000000749E0000-0x00000000750CE000-memory.dmp

memory/1876-1-0x0000000000800000-0x0000000000801000-memory.dmp

memory/2000-3-0x000007FEF7F80000-0x000007FEF81FA000-memory.dmp

memory/1876-4-0x0000000000770000-0x0000000000773000-memory.dmp

memory/1876-5-0x00000000078E0000-0x0000000007931000-memory.dmp

memory/532-6-0x0000000000400000-0x0000000000450000-memory.dmp

memory/532-8-0x0000000000400000-0x0000000000450000-memory.dmp

memory/532-7-0x000000000044AB1E-mapping.dmp

memory/532-9-0x0000000000400000-0x0000000000450000-memory.dmp

memory/532-10-0x00000000749E0000-0x00000000750CE000-memory.dmp

memory/1876-13-0x0000000001F20000-0x0000000001F50000-memory.dmp

memory/1880-16-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2020-11-09 19:37

Reported

2020-11-09 22:11

Platform

win10v20201028

Max time kernel

63s

Max time network

124s

Command Line

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

Signatures

AgentTesla

keylogger trojan stealer spyware agenttesla

CoreEntity .NET Packer

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

AgentTesla Payload

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

rezer0

rezer0
Description Indicator Process Target
N/A N/A N/A N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 3968 set thread context of 2360 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe N/A
Token: SeDebugPrivilege N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe N/A
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3968 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 3968 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 3968 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 3968 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 3968 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 3968 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 3968 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 3968 wrote to memory of 2360 N/A C:\Users\Admin\AppData\Local\Temp\INVOICE..exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
PID 2360 wrote to memory of 1272 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\netsh.exe
PID 2360 wrote to memory of 1272 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\netsh.exe
PID 2360 wrote to memory of 1272 N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe C:\Windows\SysWOW64\netsh.exe

Processes

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

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

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe

"{path}"

C:\Windows\SysWOW64\netsh.exe

"netsh" wlan show profile

Network

Country Destination Domain Proto
N/A 8.8.8.8:53 www.google.com.br udp
N/A 172.217.19.195:443 www.google.com.br tcp

Files

memory/3968-0-0x00000000738E0000-0x0000000073FCE000-memory.dmp

memory/3968-1-0x0000000000900000-0x0000000000901000-memory.dmp

memory/3968-3-0x0000000007BB0000-0x0000000007BB1000-memory.dmp

memory/3968-4-0x00000000076B0000-0x00000000076B1000-memory.dmp

memory/3968-5-0x0000000005200000-0x0000000005201000-memory.dmp

memory/3968-6-0x0000000004BF0000-0x0000000004BF3000-memory.dmp

memory/3968-7-0x000000000AED0000-0x000000000AF21000-memory.dmp

memory/3968-8-0x000000000AFD0000-0x000000000AFD1000-memory.dmp

memory/2360-9-0x0000000000400000-0x0000000000450000-memory.dmp

memory/2360-10-0x000000000044AB1E-mapping.dmp

memory/2360-11-0x00000000738E0000-0x0000000073FCE000-memory.dmp

memory/2360-16-0x0000000004DD0000-0x0000000004DD1000-memory.dmp

memory/2360-17-0x0000000005A10000-0x0000000005A11000-memory.dmp

memory/1272-18-0x0000000000000000-mapping.dmp