Malware Analysis Report

2024-12-07 04:25

Sample ID 241113-v4c89avrdy
Target 7b2ca8887efdf75c37deb0329504c214ae21fdd1736a78868db5f7702ee17500
SHA256 7b2ca8887efdf75c37deb0329504c214ae21fdd1736a78868db5f7702ee17500
Tags
emotet epoch3 banker discovery trojan
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

7b2ca8887efdf75c37deb0329504c214ae21fdd1736a78868db5f7702ee17500

Threat Level: Known bad

The file 7b2ca8887efdf75c37deb0329504c214ae21fdd1736a78868db5f7702ee17500 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker discovery trojan

Emotet

Emotet family

Blocklisted process makes network request

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-13 17:32

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-13 17:32

Reported

2024-11-13 17:34

Platform

win7-20240903-en

Max time kernel

148s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b2ca8887efdf75c37deb0329504c214ae21fdd1736a78868db5f7702ee17500.dll,#1

Signatures

Emotet

trojan banker emotet

Emotet family

emotet

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2084 wrote to memory of 2500 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2084 wrote to memory of 2500 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2084 wrote to memory of 2500 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2084 wrote to memory of 2500 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2084 wrote to memory of 2500 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2084 wrote to memory of 2500 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2084 wrote to memory of 2500 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b2ca8887efdf75c37deb0329504c214ae21fdd1736a78868db5f7702ee17500.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b2ca8887efdf75c37deb0329504c214ae21fdd1736a78868db5f7702ee17500.dll,#1

Network

Country Destination Domain Proto
MX 132.248.38.158:80 tcp
MX 132.248.38.158:80 tcp
TH 203.157.152.9:7080 tcp
TH 203.157.152.9:7080 tcp
SG 157.245.145.87:443 tcp
SG 157.245.145.87:443 tcp

Files

memory/2500-0-0x0000000000100000-0x000000000011F000-memory.dmp

memory/2500-1-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2500-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2500-3-0x0000000010000000-0x0000000010023000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-13 17:32

Reported

2024-11-13 17:34

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b2ca8887efdf75c37deb0329504c214ae21fdd1736a78868db5f7702ee17500.dll,#1

Signatures

Emotet

trojan banker emotet

Emotet family

emotet

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4784 wrote to memory of 1020 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4784 wrote to memory of 1020 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4784 wrote to memory of 1020 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b2ca8887efdf75c37deb0329504c214ae21fdd1736a78868db5f7702ee17500.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\7b2ca8887efdf75c37deb0329504c214ae21fdd1736a78868db5f7702ee17500.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 101.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 14.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
MX 132.248.38.158:80 tcp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
TH 203.157.152.9:7080 tcp
SG 157.245.145.87:443 tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
PK 110.37.224.243:80 tcp
US 8.8.8.8:53 23.236.111.52.in-addr.arpa udp
US 70.32.89.105:8080 tcp
NL 185.142.236.163:443 tcp
US 8.8.8.8:53 udp

Files

memory/1020-1-0x0000000010000000-0x0000000010023000-memory.dmp

memory/1020-0-0x00000000010E0000-0x00000000010FF000-memory.dmp

memory/1020-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/1020-4-0x0000000010000000-0x0000000010023000-memory.dmp