Malware Analysis Report

2025-08-05 12:45

Sample ID 230308-lr9bgsfb93
Target dkzMKbgiHZub5c9CX4IK2G.zip
SHA256 a05bda2e34aa25e7a4b7ba909fb9fd58b8bc78d92baf42f760f00910607036fd
Tags
emotet epoch4 banker trojan persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

a05bda2e34aa25e7a4b7ba909fb9fd58b8bc78d92baf42f760f00910607036fd

Threat Level: Known bad

The file dkzMKbgiHZub5c9CX4IK2G.zip was found to be: Known bad.

Malicious Activity Summary

emotet epoch4 banker trojan persistence

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: behavioral1

Detonation Overview

Submitted

2023-03-08 09:47

Reported

2023-03-08 09:50

Platform

win7-20230220-en

Max time kernel

151s

Max time network

156s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\TztfPHXnVbAF2Xg0Gv1CCPucGgW.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 820 wrote to memory of 1616 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 820 wrote to memory of 1616 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 820 wrote to memory of 1616 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 820 wrote to memory of 1616 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 820 wrote to memory of 1616 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\TztfPHXnVbAF2Xg0Gv1CCPucGgW.dll

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\QziPpYIbAFaThYZ\JxRkkysgrDftm.dll"

Network

Country Destination Domain Proto
FR 91.121.146.47:8080 tcp
FR 91.121.146.47:8080 tcp
US 66.228.32.31:7080 tcp
KR 182.162.143.56:443 tcp
BR 187.63.160.88:80 tcp
BR 187.63.160.88:80 tcp
US 167.172.199.165:8080 tcp
US 167.172.199.165:8080 tcp
DE 164.90.222.65:443 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/820-54-0x0000000001ED0000-0x0000000001F80000-memory.dmp

memory/820-56-0x0000000180000000-0x000000018002D000-memory.dmp

memory/820-59-0x0000000000130000-0x0000000000131000-memory.dmp

memory/1616-60-0x0000000000540000-0x00000000005F0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-03-08 09:47

Reported

2023-03-08 09:50

Platform

win10v2004-20230220-en

Max time kernel

143s

Max time network

157s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\TztfPHXnVbAF2Xg0Gv1CCPucGgW.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\oJeoevUcgwCKoGl.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\XuTxlIIxXxwpa\\oJeoevUcgwCKoGl.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 1300 wrote to memory of 1680 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 1300 wrote to memory of 1680 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\TztfPHXnVbAF2Xg0Gv1CCPucGgW.dll

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\XuTxlIIxXxwpa\oJeoevUcgwCKoGl.dll"

Network

Country Destination Domain Proto
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 210.81.184.52.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 123.108.74.40.in-addr.arpa udp
US 20.189.173.6:443 tcp
US 8.8.8.8:53 76.38.195.152.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp
NL 173.223.113.131:80 tcp
US 204.79.197.203:80 tcp
US 8.8.8.8:53 86.8.109.52.in-addr.arpa udp
FR 91.121.146.47:8080 91.121.146.47 tcp
NL 84.53.175.11:80 tcp
US 8.8.8.8:53 47.146.121.91.in-addr.arpa udp
US 8.8.8.8:53 254.7.238.8.in-addr.arpa udp
US 8.8.8.8:53 177.238.32.23.in-addr.arpa udp

Files

memory/1300-133-0x0000000180000000-0x000000018002D000-memory.dmp

memory/1300-136-0x0000000002310000-0x0000000002311000-memory.dmp

memory/1680-140-0x0000000000400000-0x00000000004B0000-memory.dmp