Malware Analysis Report

2025-01-03 05:59

Sample ID 240410-arbjnsba25
Target fa5bfc3e9fd2f3341efc890e7b4ff7018b6dd089e9482826db37578ac30bc92d
SHA256 fa5bfc3e9fd2f3341efc890e7b4ff7018b6dd089e9482826db37578ac30bc92d
Tags
upx emotet epoch3 banker 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

fa5bfc3e9fd2f3341efc890e7b4ff7018b6dd089e9482826db37578ac30bc92d

Threat Level: Known bad

The file fa5bfc3e9fd2f3341efc890e7b4ff7018b6dd089e9482826db37578ac30bc92d was found to be: Known bad.

Malicious Activity Summary

upx emotet epoch3 banker trojan

Emotet

UPX dump on OEP (original entry point)

UPX dump on OEP (original entry point)

Blocklisted process makes network request

ACProtect 1.3x - 1.4x DLL software

UPX packed file

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-04-10 00:26

Signatures

UPX dump on OEP (original entry point)

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

ACProtect 1.3x - 1.4x DLL software

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

UPX packed file

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

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-04-10 00:26

Reported

2024-04-10 00:28

Platform

win7-20240221-en

Max time kernel

140s

Max time network

139s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa5bfc3e9fd2f3341efc890e7b4ff7018b6dd089e9482826db37578ac30bc92d.dll,#1

Signatures

Emotet

trojan banker emotet

UPX dump on OEP (original entry point)

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
N/A N/A N/A N/A

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

UPX packed file

upx
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
N/A N/A N/A 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 2952 wrote to memory of 2044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2952 wrote to memory of 2044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2952 wrote to memory of 2044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2952 wrote to memory of 2044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2952 wrote to memory of 2044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2952 wrote to memory of 2044 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2952 wrote to memory of 2044 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\fa5bfc3e9fd2f3341efc890e7b4ff7018b6dd089e9482826db37578ac30bc92d.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa5bfc3e9fd2f3341efc890e7b4ff7018b6dd089e9482826db37578ac30bc92d.dll,#1

Network

Country Destination Domain Proto
VN 113.161.176.235:80 tcp
VN 113.161.176.235:80 tcp
TR 88.247.30.64:80 tcp
TR 88.247.30.64:80 tcp
DE 89.163.210.141:8080 tcp
DE 89.163.210.141:8080 tcp

Files

memory/2044-0-0x0000000010000000-0x0000000010074000-memory.dmp

memory/2044-1-0x00000000004A0000-0x00000000004C2000-memory.dmp

memory/2044-5-0x0000000010000000-0x0000000010074000-memory.dmp

memory/2044-6-0x0000000010000000-0x0000000010074000-memory.dmp

memory/2044-12-0x0000000010000000-0x0000000010074000-memory.dmp

memory/2044-13-0x0000000010000000-0x0000000010074000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-04-10 00:26

Reported

2024-04-10 00:28

Platform

win10v2004-20240226-en

Max time kernel

147s

Max time network

156s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa5bfc3e9fd2f3341efc890e7b4ff7018b6dd089e9482826db37578ac30bc92d.dll,#1

Signatures

Emotet

trojan banker emotet

UPX dump on OEP (original entry point)

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
N/A N/A N/A N/A

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

UPX packed file

upx
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
N/A N/A N/A N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3592 wrote to memory of 3568 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3592 wrote to memory of 3568 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3592 wrote to memory of 3568 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\fa5bfc3e9fd2f3341efc890e7b4ff7018b6dd089e9482826db37578ac30bc92d.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\fa5bfc3e9fd2f3341efc890e7b4ff7018b6dd089e9482826db37578ac30bc92d.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
VN 113.161.176.235:80 tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 25.14.97.104.in-addr.arpa udp
TR 88.247.30.64:80 tcp
US 8.8.8.8:53 73.90.14.23.in-addr.arpa udp
DE 89.163.210.141:8080 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 106.90.14.23.in-addr.arpa udp
SG 139.162.10.249:8080 tcp
TH 203.157.152.9:7080 tcp
US 8.8.8.8:53 8.173.189.20.in-addr.arpa udp

Files

memory/3568-0-0x0000000010000000-0x0000000010074000-memory.dmp

memory/3568-1-0x0000000010000000-0x0000000010074000-memory.dmp

memory/3568-2-0x00000000024C0000-0x00000000024E2000-memory.dmp

memory/3568-6-0x0000000010000000-0x0000000010074000-memory.dmp

memory/3568-7-0x0000000010000000-0x0000000010074000-memory.dmp

memory/3568-18-0x0000000010000000-0x0000000010074000-memory.dmp