Malware Analysis Report

2024-09-22 22:45

Sample ID 240616-xxr5yaxdrj
Target b4c2256a3ba4af796a2d9940e51a6d68_JaffaCakes118
SHA256 6183eb8b744db1eb6b37681e2fd607863f6cf49128ac974611f8d87d7fe4d16e
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

6183eb8b744db1eb6b37681e2fd607863f6cf49128ac974611f8d87d7fe4d16e

Threat Level: Known bad

The file b4c2256a3ba4af796a2d9940e51a6d68_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 behavior: EnumeratesProcesses

Suspicious behavior: RenamesItself

Suspicious use of WriteProcessMemory

MITRE ATT&CK Matrix V13

Analysis: static1

Detonation Overview

Reported

2024-06-16 19:14

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-16 19:14

Reported

2024-06-16 19:16

Platform

win7-20240611-en

Max time kernel

141s

Max time network

145s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4c2256a3ba4af796a2d9940e51a6d68_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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\mapi32\api-ms-win-downlevel-advapi32-l2-1-0.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\mapi32\api-ms-win-downlevel-advapi32-l2-1-0.exe C:\Users\Admin\AppData\Local\Temp\b4c2256a3ba4af796a2d9940e51a6d68_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\b4c2256a3ba4af796a2d9940e51a6d68_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b4c2256a3ba4af796a2d9940e51a6d68_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b4c2256a3ba4af796a2d9940e51a6d68_JaffaCakes118.exe"

C:\Windows\SysWOW64\mapi32\api-ms-win-downlevel-advapi32-l2-1-0.exe

"C:\Windows\SysWOW64\mapi32\api-ms-win-downlevel-advapi32-l2-1-0.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

Files

memory/2328-4-0x0000000000270000-0x0000000000280000-memory.dmp

memory/2328-0-0x0000000000250000-0x0000000000262000-memory.dmp

memory/2328-7-0x0000000000230000-0x000000000023F000-memory.dmp

C:\Windows\SysWOW64\mapi32\api-ms-win-downlevel-advapi32-l2-1-0.exe

MD5 b4c2256a3ba4af796a2d9940e51a6d68
SHA1 757ecce3193dd02228803ee1cf21de6d401167db
SHA256 6183eb8b744db1eb6b37681e2fd607863f6cf49128ac974611f8d87d7fe4d16e
SHA512 6ad2379509be515097a5cedb9253fc0d2c705c007f926ab03f544304ec73331c46636981ae6604a01675b6a3532be9ba358e13f68fa680dc61352051bf1ed301

memory/2328-9-0x0000000000400000-0x00000000004AD000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-16 19:14

Reported

2024-06-16 19:16

Platform

win10v2004-20240611-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b4c2256a3ba4af796a2d9940e51a6d68_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\accountaccessor\aadWamExtension.exe N/A

Drops file in System32 directory

Description Indicator Process Target
File opened for modification C:\Windows\SysWOW64\accountaccessor\aadWamExtension.exe C:\Users\Admin\AppData\Local\Temp\b4c2256a3ba4af796a2d9940e51a6d68_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\b4c2256a3ba4af796a2d9940e51a6d68_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\b4c2256a3ba4af796a2d9940e51a6d68_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b4c2256a3ba4af796a2d9940e51a6d68_JaffaCakes118.exe"

C:\Windows\SysWOW64\accountaccessor\aadWamExtension.exe

"C:\Windows\SysWOW64\accountaccessor\aadWamExtension.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 240.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
JP 116.91.240.96:80 tcp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
NL 23.62.61.97:443 www.bing.com tcp
US 8.8.8.8:53 97.61.62.23.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
IN 167.71.227.113:8080 tcp
CO 190.85.46.52:7080 tcp
US 162.144.42.60:8080 tcp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
PK 202.166.170.43:80 tcp
US 8.8.8.8:53 249.197.17.2.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 2.36.159.162.in-addr.arpa udp
FI 95.216.205.155:8080 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 21.121.18.2.in-addr.arpa udp

Files

memory/1396-4-0x0000000002100000-0x0000000002110000-memory.dmp

memory/1396-0-0x00000000020E0000-0x00000000020F2000-memory.dmp

memory/1396-7-0x00000000020C0000-0x00000000020CF000-memory.dmp

memory/1396-9-0x0000000000400000-0x00000000004AD000-memory.dmp

C:\Windows\SysWOW64\accountaccessor\aadWamExtension.exe

MD5 b4c2256a3ba4af796a2d9940e51a6d68
SHA1 757ecce3193dd02228803ee1cf21de6d401167db
SHA256 6183eb8b744db1eb6b37681e2fd607863f6cf49128ac974611f8d87d7fe4d16e
SHA512 6ad2379509be515097a5cedb9253fc0d2c705c007f926ab03f544304ec73331c46636981ae6604a01675b6a3532be9ba358e13f68fa680dc61352051bf1ed301

memory/3508-14-0x0000000000660000-0x0000000000670000-memory.dmp

memory/3508-10-0x0000000002130000-0x0000000002142000-memory.dmp