Malware Analysis Report

2025-08-05 12:44

Sample ID 230308-lrmsgsef8w
Target 84oljGQtqAoAx0u6HYzVs8nqkHMJ.zip
SHA256 70a3b6b361021c1f0a93c8251b89529e8f66e66aab79cb3ea7710c7cf8bca30c
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

70a3b6b361021c1f0a93c8251b89529e8f66e66aab79cb3ea7710c7cf8bca30c

Threat Level: Known bad

The file 84oljGQtqAoAx0u6HYzVs8nqkHMJ.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 09:46

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-03-08 09:46

Reported

2023-03-08 09:49

Platform

win7-20230220-en

Max time kernel

143s

Max time network

152s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3Jmim1.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 836 wrote to memory of 2028 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 836 wrote to memory of 2028 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 836 wrote to memory of 2028 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 836 wrote to memory of 2028 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 836 wrote to memory of 2028 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\3Jmim1.dll

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\ZMFHqlGXo\Tcht.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
US 66.228.32.31:7080 tcp
KR 182.162.143.56:443 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
KR 183.111.227.137:8080 tcp
IN 103.132.242.26:8080 tcp
GB 159.65.88.10:8080 tcp

Files

memory/836-54-0x00000000001A0000-0x0000000000250000-memory.dmp

memory/836-56-0x0000000180000000-0x000000018002D000-memory.dmp

memory/836-59-0x0000000000260000-0x0000000000261000-memory.dmp

memory/2028-60-0x00000000003D0000-0x0000000000480000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-03-08 09:46

Reported

2023-03-08 09:49

Platform

win10v2004-20230220-en

Max time kernel

146s

Max time network

142s

Command Line

regsvr32 /s C:\Users\Admin\AppData\Local\Temp\3Jmim1.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\fEAQppihU.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\GSRLOMGhR\\fEAQppihU.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 4476 wrote to memory of 1920 N/A C:\Windows\system32\regsvr32.exe C:\Windows\system32\regsvr32.exe
PID 4476 wrote to memory of 1920 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\3Jmim1.dll

C:\Windows\system32\regsvr32.exe

C:\Windows\system32\regsvr32.exe "C:\Windows\system32\GSRLOMGhR\fEAQppihU.dll"

Network

Country Destination Domain Proto
US 93.184.220.29:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 33.18.126.40.in-addr.arpa udp
US 8.8.8.8:53 123.108.74.40.in-addr.arpa udp
US 8.8.8.8:53 210.81.184.52.in-addr.arpa udp
US 8.8.8.8:53 76.38.195.152.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 97.97.242.52.in-addr.arpa udp
US 13.89.178.26:443 tcp
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 8.8.8.8:53 177.238.32.23.in-addr.arpa udp
US 93.184.220.29:80 tcp
US 209.197.3.8:80 tcp
US 209.197.3.8:80 tcp
NL 173.223.113.164:443 tcp

Files

memory/4476-133-0x0000000002220000-0x00000000022D0000-memory.dmp

memory/4476-135-0x0000000180000000-0x000000018002D000-memory.dmp

memory/4476-138-0x0000000000A10000-0x0000000000A11000-memory.dmp

memory/1920-142-0x0000000000400000-0x00000000004B0000-memory.dmp

memory/1920-155-0x0000000000400000-0x00000000004B0000-memory.dmp