Malware Analysis Report

2024-09-22 22:50

Sample ID 240617-le3yyaycqj
Target b7e3d73e4fd408d57f3745996766df04_JaffaCakes118
SHA256 9dbca757bae4e95f06c3e0ba3539e6ddc3328154fd2e0b66ffadbb6d7ca38e50
Tags
emotet epoch3 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

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

9dbca757bae4e95f06c3e0ba3539e6ddc3328154fd2e0b66ffadbb6d7ca38e50

Threat Level: Known bad

The file b7e3d73e4fd408d57f3745996766df04_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Emotet payload

Executes dropped EXE

Drops file in System32 directory

Unsigned PE

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-17 09:27

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-17 09:27

Reported

2024-06-17 09:30

Platform

win7-20240611-en

Max time kernel

130s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b7e3d73e4fd408d57f3745996766df04_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Emotet payload

trojan banker
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\scesrv\mfreadwrite.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\scesrv\mfreadwrite.exe C:\Users\Admin\AppData\Local\Temp\b7e3d73e4fd408d57f3745996766df04_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: RenamesItself

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\b7e3d73e4fd408d57f3745996766df04_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b7e3d73e4fd408d57f3745996766df04_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b7e3d73e4fd408d57f3745996766df04_JaffaCakes118.exe"

C:\Windows\SysWOW64\scesrv\mfreadwrite.exe

"C:\Windows\SysWOW64\scesrv\mfreadwrite.exe"

Network

Country Destination Domain Proto
JP 116.91.240.96:80 tcp
JP 116.91.240.96:80 tcp
IN 167.71.227.113:8080 tcp
IN 167.71.227.113:8080 tcp
CO 190.85.46.52:7080 tcp
CO 190.85.46.52:7080 tcp
US 162.144.42.60:8080 tcp
US 162.144.42.60:8080 tcp

Files

memory/1900-0-0x00000000002E0000-0x00000000002F2000-memory.dmp

memory/1900-7-0x0000000000230000-0x000000000023F000-memory.dmp

memory/1900-4-0x0000000000250000-0x0000000000260000-memory.dmp

C:\Windows\SysWOW64\scesrv\mfreadwrite.exe

MD5 b7e3d73e4fd408d57f3745996766df04
SHA1 a08eb84086a69a1a8dba4348b08e8ee1922d50b1
SHA256 9dbca757bae4e95f06c3e0ba3539e6ddc3328154fd2e0b66ffadbb6d7ca38e50
SHA512 2e3b4a00af74c1b44a9728e3c53edb84270180eb1dfd59ec56ad7fb539298751acb6841b4a8f8b1a5ed72f4526bb63ebe57ecb77ee008d23d2d2007e5e503189

memory/2700-10-0x0000000000250000-0x0000000000262000-memory.dmp

memory/2700-14-0x0000000000270000-0x0000000000280000-memory.dmp

memory/1900-9-0x0000000000400000-0x00000000004AD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-17 09:27

Reported

2024-06-17 09:30

Platform

win10v2004-20240508-en

Max time kernel

132s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b7e3d73e4fd408d57f3745996766df04_JaffaCakes118.exe"

Signatures

Emotet

trojan banker emotet

Emotet payload

trojan banker
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b7e3d73e4fd408d57f3745996766df04_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b7e3d73e4fd408d57f3745996766df04_JaffaCakes118.exe"

Network

Country Destination Domain Proto
JP 116.91.240.96:80 tcp
IN 167.71.227.113:8080 tcp
CO 190.85.46.52:7080 tcp
US 162.144.42.60:8080 tcp
PK 202.166.170.43:80 tcp
FI 95.216.205.155:8080 tcp

Files

memory/1440-0-0x0000000000570000-0x0000000000582000-memory.dmp

memory/1440-4-0x0000000000590000-0x00000000005A0000-memory.dmp

memory/1440-7-0x0000000000550000-0x000000000055F000-memory.dmp