Malware Analysis Report

2025-08-05 12:44

Sample ID 230308-lr9bgsef9y
Target w7ghXXkFAIdhkgsQ49p6SqkvPStgghL7.zip
SHA256 b3fd2051fc1b96c495d355db0d334436e1c6d4438cd0beab23a5b1cbca869fd2
Tags
emotet epoch4 banker persistence trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

b3fd2051fc1b96c495d355db0d334436e1c6d4438cd0beab23a5b1cbca869fd2

Threat Level: Known bad

The file w7ghXXkFAIdhkgsQ49p6SqkvPStgghL7.zip was found to be: Known bad.

Malicious Activity Summary

emotet epoch4 banker persistence trojan

Emotet

Adds Run key to start application

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-03-08 09:47

Signatures

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2023-03-08 09:47

Reported

2023-03-08 09:50

Platform

win10v2004-20230221-en

Max time kernel

151s

Max time network

124s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\VdaN1GI2TTwnq1xfcuZGiVPNHHbdxkEOc.dll

Signatures

Emotet

trojan banker emotet

Adds Run key to start application

persistence
Description Indicator Process Target
Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run C:\Windows\system32\regsvr32.exe N/A
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dqUDxFTASDvUrR.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\HzEewEcD\\dqUDxFTASDvUrR.dll\"" C:\Windows\system32\regsvr32.exe N/A

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 4788 wrote to memory of 2860 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 4788 wrote to memory of 2860 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\VdaN1GI2TTwnq1xfcuZGiVPNHHbdxkEOc.dll

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\HzEewEcD\dqUDxFTASDvUrR.dll"

Network

Country Destination Domain Proto
US 8.8.8.8:53 123.108.74.40.in-addr.arpa udp
US 8.8.8.8:53 143.145.190.20.in-addr.arpa udp
US 8.8.8.8:53 104.219.191.52.in-addr.arpa udp
US 8.8.8.8:53 177.238.32.23.in-addr.arpa udp
US 8.8.8.8:53 76.38.195.152.in-addr.arpa udp
US 20.42.65.90:443 tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
FR 91.121.146.47:8080 91.121.146.47 tcp
US 8.8.8.8:53 47.146.121.91.in-addr.arpa udp
US 8.8.8.8:53 63.13.109.52.in-addr.arpa udp
US 117.18.237.29:80 tcp
NL 173.223.113.164:443 tcp

Files

memory/4788-133-0x0000000180000000-0x000000018002D000-memory.dmp

memory/4788-136-0x0000000000B30000-0x0000000000B31000-memory.dmp

memory/2860-137-0x0000000000740000-0x00000000007F0000-memory.dmp

memory/2860-142-0x0000000000740000-0x00000000007F0000-memory.dmp

memory/2860-155-0x0000000000740000-0x00000000007F0000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-03-08 09:47

Reported

2023-03-08 09:50

Platform

win7-20230220-en

Max time kernel

150s

Max time network

176s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\VdaN1GI2TTwnq1xfcuZGiVPNHHbdxkEOc.dll

Signatures

Emotet

trojan banker 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 2032 wrote to memory of 1952 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2032 wrote to memory of 1952 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2032 wrote to memory of 1952 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2032 wrote to memory of 1952 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 2032 wrote to memory of 1952 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\VdaN1GI2TTwnq1xfcuZGiVPNHHbdxkEOc.dll

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\NJVtuXSd\fveMyqMecLN.dll"

Network

Country Destination Domain Proto
FR 91.121.146.47:8080 tcp
US 66.228.32.31:7080 tcp
US 66.228.32.31:7080 tcp
KR 182.162.143.56:443 tcp
BR 187.63.160.88:80 tcp
US 167.172.199.165:8080 tcp
DE 164.90.222.65:443 tcp
US 104.168.155.143:8080 tcp
US 104.168.155.143:8080 tcp
KG 91.207.28.33:8080 tcp
US 72.15.201.15:8080 tcp

Files

memory/2032-54-0x0000000001FC0000-0x0000000002070000-memory.dmp

memory/2032-56-0x0000000180000000-0x000000018002D000-memory.dmp

memory/2032-59-0x0000000000120000-0x0000000000121000-memory.dmp

memory/1952-60-0x0000000001D90000-0x0000000001E40000-memory.dmp