Malware Analysis Report

2024-10-16 02:26

Sample ID 240702-bc3kaa1anc
Target 1d3278c7061328047812fec7226fd160_JaffaCakes118
SHA256 c4895cbb70b519c9e553f8b16ee4eff9e8dd9a93d52379da6aa82341f3867b63
Tags
isfb gozi persistence
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

c4895cbb70b519c9e553f8b16ee4eff9e8dd9a93d52379da6aa82341f3867b63

Threat Level: Known bad

The file 1d3278c7061328047812fec7226fd160_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

isfb gozi persistence

Gozi family

Drops file in Drivers directory

Sets service image path in registry

Checks computer location settings

Deletes itself

Enumerates physical storage devices

Unsigned PE

Suspicious behavior: LoadsDriver

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-02 01:00

Signatures

Gozi family

gozi

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-02 01:00

Reported

2024-07-02 01:03

Platform

win7-20240419-en

Max time kernel

118s

Max time network

119s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1d3278c7061328047812fec7226fd160_JaffaCakes118.exe"

Signatures

Drops file in Drivers directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\drivers\osa369f.sys C:\Users\Admin\AppData\Local\Temp\1d3278c7061328047812fec7226fd160_JaffaCakes118.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\osa369f\ImagePath = "\\SystemRoot\\System32\\drivers\\osa369f.sys" C:\Users\Admin\AppData\Local\Temp\1d3278c7061328047812fec7226fd160_JaffaCakes118.exe N/A

Deletes itself

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

Enumerates physical storage devices

Suspicious behavior: LoadsDriver

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\1d3278c7061328047812fec7226fd160_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1d3278c7061328047812fec7226fd160_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1d3278c7061328047812fec7226fd160_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1d3278c7061328047812fec7226fd160_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\1D3278~1.EXE" >> NUL

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-02 01:00

Reported

2024-07-02 01:03

Platform

win10v2004-20240508-en

Max time kernel

41s

Max time network

47s

Command Line

"C:\Users\Admin\AppData\Local\Temp\1d3278c7061328047812fec7226fd160_JaffaCakes118.exe"

Signatures

Drops file in Drivers directory

Description Indicator Process Target
File created C:\Windows\SysWOW64\drivers\lpr2940.sys C:\Users\Admin\AppData\Local\Temp\1d3278c7061328047812fec7226fd160_JaffaCakes118.exe N/A

Sets service image path in registry

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\lpr2940\ImagePath = "\\SystemRoot\\System32\\drivers\\lpr2940.sys" C:\Users\Admin\AppData\Local\Temp\1d3278c7061328047812fec7226fd160_JaffaCakes118.exe N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1337824034-2731376981-3755436523-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\1d3278c7061328047812fec7226fd160_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious behavior: LoadsDriver

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\1d3278c7061328047812fec7226fd160_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\1d3278c7061328047812fec7226fd160_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\1d3278c7061328047812fec7226fd160_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\1d3278c7061328047812fec7226fd160_JaffaCakes118.exe"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\system32\cmd.exe" /c del "C:\Users\Admin\AppData\Local\Temp\1D3278~1.EXE" >> NUL

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp

Files

N/A