Malware Analysis Report

2025-01-22 16:26

Sample ID 241001-ztxmcszgnp
Target 07684da40ad79495b5db6ddcf723bd8e_JaffaCakes118
SHA256 683f12747c11016669f9a7413b8975c615f39d2d530b1825eff8a36479e303ff
Tags
gozi 8877 banker discovery isfb trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

683f12747c11016669f9a7413b8975c615f39d2d530b1825eff8a36479e303ff

Threat Level: Known bad

The file 07684da40ad79495b5db6ddcf723bd8e_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

gozi 8877 banker discovery isfb trojan

Gozi

Blocklisted process makes network request

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-01 21:01

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-01 21:01

Reported

2024-10-01 21:03

Platform

win7-20240903-en

Max time kernel

141s

Max time network

122s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\07684da40ad79495b5db6ddcf723bd8e_JaffaCakes118.dll,#1

Signatures

Gozi

banker trojan gozi

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\07684da40ad79495b5db6ddcf723bd8e_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\07684da40ad79495b5db6ddcf723bd8e_JaffaCakes118.dll,#1

Network

N/A

Files

memory/2340-0-0x00000000002C0000-0x000000000035F000-memory.dmp

memory/2340-4-0x00000000002C0000-0x000000000035F000-memory.dmp

memory/2340-3-0x00000000002C0000-0x000000000035F000-memory.dmp

memory/2340-2-0x000000000034C000-0x0000000000350000-memory.dmp

memory/2340-5-0x0000000000190000-0x00000000001A0000-memory.dmp

memory/2340-8-0x00000000002C0000-0x000000000035F000-memory.dmp

memory/2340-9-0x000000000034C000-0x0000000000350000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-01 21:01

Reported

2024-10-01 21:03

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\07684da40ad79495b5db6ddcf723bd8e_JaffaCakes118.dll,#1

Signatures

Gozi

banker trojan gozi

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

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\rundll32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1184 wrote to memory of 5096 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1184 wrote to memory of 5096 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 1184 wrote to memory of 5096 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\07684da40ad79495b5db6ddcf723bd8e_JaffaCakes118.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\07684da40ad79495b5db6ddcf723bd8e_JaffaCakes118.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 13.86.106.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 4.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 outlook.com udp
US 52.96.222.226:443 outlook.com tcp
US 8.8.8.8:53 226.222.96.52.in-addr.arpa udp
US 8.8.8.8:53 www.outlook.com udp
GB 52.97.129.226:443 www.outlook.com tcp
US 8.8.8.8:53 226.129.97.52.in-addr.arpa udp
US 8.8.8.8:53 boyuleruner.online udp
US 8.8.8.8:53 77.190.18.2.in-addr.arpa udp
US 8.8.8.8:53 udp
US 8.8.8.8:53 udp

Files

memory/5096-0-0x000000000048C000-0x0000000000490000-memory.dmp

memory/5096-1-0x0000000000400000-0x000000000049F000-memory.dmp

memory/5096-2-0x0000000000400000-0x000000000049F000-memory.dmp

memory/5096-3-0x0000000000400000-0x000000000049F000-memory.dmp

memory/5096-5-0x00000000026A0000-0x00000000026B0000-memory.dmp

memory/5096-7-0x000000000048C000-0x0000000000490000-memory.dmp

memory/5096-8-0x0000000000400000-0x000000000049F000-memory.dmp