Malware Analysis Report

2024-10-18 21:16

Sample ID 240716-wryj4axcka
Target 4f7a30b375e63afaa14b65f8d6c67bb4_JaffaCakes118
SHA256 4f6fb99b7604dea80339e1f0c29518875b08277bc1a2c24c2a6db5edaee490fd
Tags
emotet epoch3 banker trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

4f6fb99b7604dea80339e1f0c29518875b08277bc1a2c24c2a6db5edaee490fd

Threat Level: Known bad

The file 4f7a30b375e63afaa14b65f8d6c67bb4_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

emotet epoch3 banker trojan

Emotet

Blocklisted process makes network request

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-07-16 18:09

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-16 18:09

Reported

2024-07-16 18:12

Platform

win7-20240705-en

Max time kernel

146s

Max time network

147s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f7a30b375e63afaa14b65f8d6c67bb4_JaffaCakes118.dll,#1

Signatures

Emotet

trojan banker emotet

Blocklisted process makes network request

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A
N/A N/A C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2340 wrote to memory of 2344 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2340 wrote to memory of 2344 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2340 wrote to memory of 2344 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2340 wrote to memory of 2344 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2340 wrote to memory of 2344 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2340 wrote to memory of 2344 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2340 wrote to memory of 2344 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f7a30b375e63afaa14b65f8d6c67bb4_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f7a30b375e63afaa14b65f8d6c67bb4_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
AR 190.55.186.229:80 tcp
AR 190.55.186.229:80 tcp
TH 203.157.152.9:7080 tcp
TH 203.157.152.9:7080 tcp
SG 157.245.145.87:443 tcp
SG 157.245.145.87:443 tcp

Files

memory/2344-1-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2344-0-0x00000000001F0000-0x000000000020F000-memory.dmp

memory/2344-2-0x0000000010000000-0x0000000010023000-memory.dmp

memory/2344-3-0x0000000010000000-0x0000000010023000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-16 18:09

Reported

2024-07-16 18:12

Platform

win10v2004-20240709-en

Max time kernel

146s

Max time network

97s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f7a30b375e63afaa14b65f8d6c67bb4_JaffaCakes118.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1304 wrote to memory of 4676 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1304 wrote to memory of 4676 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1304 wrote to memory of 4676 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f7a30b375e63afaa14b65f8d6c67bb4_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4f7a30b375e63afaa14b65f8d6c67bb4_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 192.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 43.229.111.52.in-addr.arpa udp

Files

N/A