Malware Analysis Report

2025-08-05 11:08

Sample ID 241112-1jw4hs1kgy
Target 78df4389ff2cc22877d80516f34c3907caf2a21b7826a87827d52266921d2695
SHA256 78df4389ff2cc22877d80516f34c3907caf2a21b7826a87827d52266921d2695
Tags
emotet epoch4 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

78df4389ff2cc22877d80516f34c3907caf2a21b7826a87827d52266921d2695

Threat Level: Known bad

The file 78df4389ff2cc22877d80516f34c3907caf2a21b7826a87827d52266921d2695 was found to be: Known bad.

Malicious Activity Summary

emotet epoch4 banker trojan

Emotet

Emotet family

Unsigned PE

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-11-12 21:41

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-12 21:41

Reported

2024-11-12 21:43

Platform

win7-20240903-en

Max time kernel

141s

Max time network

139s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\78df4389ff2cc22877d80516f34c3907caf2a21b7826a87827d52266921d2695.dll

Signatures

Emotet

trojan banker emotet

Emotet family

emotet

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2264 wrote to memory of 2772 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2264 wrote to memory of 2772 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2264 wrote to memory of 2772 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2264 wrote to memory of 2772 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2264 wrote to memory of 2772 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\78df4389ff2cc22877d80516f34c3907caf2a21b7826a87827d52266921d2695.dll

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\ReZyP\pkGeIuXct.dll"

Network

Country Destination Domain Proto
SG 157.245.196.132:443 tcp
SG 157.245.196.132:443 tcp
SG 157.245.196.132:443 tcp
SG 157.245.196.132:443 tcp
CA 51.161.73.194:443 tcp
CA 51.161.73.194:443 tcp
BR 45.186.16.18:443 tcp
BR 45.186.16.18:443 tcp
NG 41.73.252.195:443 tcp
NG 41.73.252.195:443 tcp

Files

memory/2264-2-0x0000000180000000-0x000000018002A000-memory.dmp

memory/2264-0-0x0000000000320000-0x00000000003C9000-memory.dmp

memory/2264-5-0x00000000001C0000-0x00000000001C1000-memory.dmp

memory/2264-6-0x0000000000320000-0x00000000003C9000-memory.dmp

memory/2772-7-0x0000000001E80000-0x0000000001F29000-memory.dmp

memory/2772-12-0x0000000001E80000-0x0000000001F29000-memory.dmp

memory/2772-13-0x0000000001E80000-0x0000000001F29000-memory.dmp

memory/2772-14-0x0000000001E80000-0x0000000001F29000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-12 21:41

Reported

2024-11-12 21:43

Platform

win10v2004-20241007-en

Max time kernel

140s

Max time network

152s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\78df4389ff2cc22877d80516f34c3907caf2a21b7826a87827d52266921d2695.dll

Signatures

Emotet

trojan banker emotet

Emotet family

emotet

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Windows\system32\regsvr32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2316 wrote to memory of 5076 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2316 wrote to memory of 5076 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe

Processes

C:\Windows\system32\regsvr32.exe

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\78df4389ff2cc22877d80516f34c3907caf2a21b7826a87827d52266921d2695.dll

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\EpYpTHRW\NrPaGYzXLYuCGs.dll"

Network

Country Destination Domain Proto
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
SG 157.245.196.132:443 tcp
US 8.8.8.8:53 132.196.245.157.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 75.210.23.2.in-addr.arpa udp
CA 51.161.73.194:443 tcp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
BR 45.186.16.18:443 tcp
NG 41.73.252.195:443 tcp
SG 159.89.202.34:443 tcp
CO 45.176.232.124:443 tcp
CA 149.56.131.28:8080 tcp
KR 115.68.227.76:8080 tcp
TH 163.44.196.120:8080 tcp

Files

memory/2316-3-0x00000000010C0000-0x00000000010C1000-memory.dmp

memory/2316-0-0x0000000180000000-0x000000018002A000-memory.dmp

memory/2316-4-0x0000000000400000-0x00000000004A9000-memory.dmp

memory/5076-8-0x0000000000400000-0x00000000004A9000-memory.dmp

memory/5076-10-0x0000000000400000-0x00000000004A9000-memory.dmp

memory/5076-23-0x0000000000400000-0x00000000004A9000-memory.dmp