Malware Analysis Report

2024-10-16 02:49

Sample ID 240515-xm9bgafc47
Target 4793f12ab09ca31973a406b5b7f922d9_JaffaCakes118
SHA256 86c04f8984f540bce436da84987705137a3efb548fc46ec4b28db62be7548934
Tags
gozi 200 banker isfb 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

86c04f8984f540bce436da84987705137a3efb548fc46ec4b28db62be7548934

Threat Level: Known bad

The file 4793f12ab09ca31973a406b5b7f922d9_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gozi 200 banker isfb trojan

Gozi

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-05-15 18:59

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-15 18:59

Reported

2024-05-15 19:01

Platform

win7-20240221-en

Max time kernel

118s

Max time network

119s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4793f12ab09ca31973a406b5b7f922d9_JaffaCakes118.dll,#1

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2872 wrote to memory of 2920 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2872 wrote to memory of 2920 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2872 wrote to memory of 2920 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2872 wrote to memory of 2920 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2872 wrote to memory of 2920 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2872 wrote to memory of 2920 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2872 wrote to memory of 2920 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\4793f12ab09ca31973a406b5b7f922d9_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4793f12ab09ca31973a406b5b7f922d9_JaffaCakes118.dll,#1

Network

N/A

Files

memory/2920-0-0x0000000000170000-0x0000000000184000-memory.dmp

memory/2920-2-0x0000000000210000-0x0000000000227000-memory.dmp

memory/2920-1-0x0000000000210000-0x0000000000227000-memory.dmp

memory/2920-3-0x0000000000210000-0x0000000000227000-memory.dmp

memory/2920-4-0x0000000000210000-0x0000000000227000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-15 18:59

Reported

2024-05-15 19:01

Platform

win10v2004-20240508-en

Max time kernel

143s

Max time network

114s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4793f12ab09ca31973a406b5b7f922d9_JaffaCakes118.dll,#1

Signatures

Gozi

banker trojan gozi

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4448 wrote to memory of 4432 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4448 wrote to memory of 4432 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4448 wrote to memory of 4432 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\4793f12ab09ca31973a406b5b7f922d9_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\4793f12ab09ca31973a406b5b7f922d9_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
BE 2.17.196.74:443 www.bing.com tcp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 79.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 74.196.17.2.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 32.251.17.2.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp

Files

memory/4432-1-0x0000000002DA0000-0x0000000002DB7000-memory.dmp

memory/4432-0-0x00000000013B0000-0x00000000013C4000-memory.dmp

memory/4432-2-0x0000000002DA0000-0x0000000002DB7000-memory.dmp