Malware Analysis Report

2025-08-10 17:56

Sample ID 230215-t72wcacg79
Target 2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
SHA256 486ede4ecff9a951261af3d267072bf75a37e7812afd91dc4c30bf5535dede8b
Tags
emotet banker trojan
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

486ede4ecff9a951261af3d267072bf75a37e7812afd91dc4c30bf5535dede8b

Threat Level: Known bad

The file 2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe was found to be: Known bad.

Malicious Activity Summary

emotet banker trojan

Emotet

Drops file in System32 directory

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Modifies data under HKEY_USERS

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-02-15 16:42

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-15 16:42

Reported

2023-02-15 16:42

Platform

win7-20221111-en

Max time kernel

1s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe"

Signatures

Emotet

trojan banker emotet

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1992 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 1992 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 1992 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 1992 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 1992 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 1992 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe
PID 1992 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe

Processes

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe

"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe"

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe

--53146567

Network

N/A

Files

memory/1992-54-0x00000000763A1000-0x00000000763A3000-memory.dmp

memory/2032-55-0x0000000000000000-mapping.dmp

memory/1992-56-0x0000000000230000-0x000000000023D000-memory.dmp

memory/1992-58-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2032-59-0x00000000005C0000-0x00000000005D1000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-15 16:42

Reported

2023-02-15 16:45

Platform

win10v2004-20220812-en

Max time kernel

134s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe"

Signatures

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\Content.IE5 C:\Windows\SysWOW64\randomboxes.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCache\IE C:\Windows\SysWOW64\randomboxes.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\INetCookies C:\Windows\SysWOW64\randomboxes.exe N/A
File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\History\History.IE5 C:\Windows\SysWOW64\randomboxes.exe N/A

Enumerates physical storage devices

Modifies data under HKEY_USERS

Description Indicator Process Target
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix C:\Windows\SysWOW64\randomboxes.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" C:\Windows\SysWOW64\randomboxes.exe N/A
Set value (str) \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" C:\Windows\SysWOW64\randomboxes.exe N/A

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe

"C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe"

C:\Users\Admin\AppData\Local\Temp\2019-05-01-Emotet-binary-updated-after-initial-infection-2-of-2.exe

--53146567

C:\Windows\SysWOW64\randomboxes.exe

"C:\Windows\SysWOW64\randomboxes.exe"

C:\Windows\SysWOW64\randomboxes.exe

--33c067cc

Network

Country Destination Domain Proto
NL 8.238.20.126:80 tcp
US 8.247.210.126:80 tcp
BO 200.58.171.51:80 tcp
US 20.42.65.84:443 tcp
MX 189.196.140.187:80 tcp
KR 222.104.222.145:443 tcp
MY 115.132.227.247:443 tcp
CO 190.85.206.228:80 tcp
US 93.184.220.29:80 tcp

Files

memory/444-132-0x0000000000680000-0x0000000000691000-memory.dmp

memory/1800-133-0x0000000000000000-mapping.dmp

memory/444-134-0x0000000000680000-0x0000000000691000-memory.dmp

memory/444-135-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1800-136-0x0000000000400000-0x0000000000429000-memory.dmp

memory/4992-137-0x0000000000000000-mapping.dmp

memory/1800-138-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4992-139-0x0000000000400000-0x0000000000429000-memory.dmp

memory/4992-140-0x0000000000400000-0x0000000000429000-memory.dmp