Malware Analysis Report

2024-10-19 10:27

Sample ID 240620-2f772szhkb
Target 09d716d57edc76d03136a0c475126554_JaffaCakes118
SHA256 622f6d37e73da72ea2d39f77099ee466e5979e47e1c55c0062855abae923f121
Tags
isrstealer bootkit persistence spyware stealer 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

622f6d37e73da72ea2d39f77099ee466e5979e47e1c55c0062855abae923f121

Threat Level: Known bad

The file 09d716d57edc76d03136a0c475126554_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

isrstealer bootkit persistence spyware stealer trojan

ISR Stealer

ISR Stealer payload

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Writes to the Master Boot Record (MBR)

Suspicious use of SetThreadContext

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: EnumeratesProcesses

Suspicious use of SetWindowsHookEx

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-20 22:32

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-20 22:32

Reported

2024-06-20 22:35

Platform

win7-20240508-en

Max time kernel

120s

Max time network

121s

Command Line

"C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe"

Signatures

ISR Stealer

trojan stealer isrstealer

ISR Stealer payload

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

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe N/A
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2084 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2084 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2084 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2084 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2084 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2084 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2084 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2084 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2084 wrote to memory of 1248 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 1248 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 1248 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 1248 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 1248 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 1248 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 1248 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 1248 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 1248 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 1248 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2732 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2732 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2732 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2732 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2732 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2732 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2732 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2732 wrote to memory of 2524 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 mohd2.site40.net udp

Files

memory/1248-6-0x0000000000400000-0x0000000000443000-memory.dmp

memory/1248-8-0x0000000000400000-0x0000000000443000-memory.dmp

memory/1248-12-0x0000000000400000-0x0000000000443000-memory.dmp

memory/1248-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1248-4-0x0000000000400000-0x0000000000443000-memory.dmp

memory/1248-2-0x0000000000400000-0x0000000000443000-memory.dmp

memory/1248-30-0x0000000000400000-0x0000000000443000-memory.dmp

memory/2732-27-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2732-32-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2732-21-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2732-19-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2732-17-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2524-35-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2524-37-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2524-39-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2732-48-0x0000000000400000-0x000000000041E000-memory.dmp

memory/2524-43-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2524-51-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2524-52-0x0000000000400000-0x0000000000414000-memory.dmp

memory/2524-53-0x0000000000400000-0x0000000000414000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-20 22:32

Reported

2024-06-20 22:35

Platform

win10v2004-20240508-en

Max time kernel

62s

Max time network

51s

Command Line

"C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe"

Signatures

ISR Stealer

trojan stealer isrstealer

ISR Stealer payload

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

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe N/A
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe N/A

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2976 wrote to memory of 3528 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2976 wrote to memory of 3528 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2976 wrote to memory of 3528 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2976 wrote to memory of 3528 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2976 wrote to memory of 3528 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2976 wrote to memory of 3528 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2976 wrote to memory of 3528 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 2976 wrote to memory of 3528 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3528 wrote to memory of 3428 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3528 wrote to memory of 3428 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3528 wrote to memory of 3428 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3528 wrote to memory of 3428 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3528 wrote to memory of 3428 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3528 wrote to memory of 3428 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3528 wrote to memory of 3428 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3528 wrote to memory of 3428 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3428 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3428 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3428 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3428 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3428 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3428 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3428 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe
PID 3428 wrote to memory of 4060 N/A C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe

Processes

C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\09d716d57edc76d03136a0c475126554_JaffaCakes118.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 mohd2.site40.net udp

Files

memory/3528-2-0x0000000000400000-0x0000000000443000-memory.dmp

memory/3528-5-0x0000000000400000-0x0000000000443000-memory.dmp

memory/3428-8-0x0000000000400000-0x000000000041E000-memory.dmp

memory/3428-10-0x0000000000400000-0x000000000041E000-memory.dmp

memory/3528-11-0x0000000000400000-0x0000000000443000-memory.dmp

memory/4060-18-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4060-16-0x0000000000400000-0x0000000000414000-memory.dmp

memory/3428-21-0x0000000000400000-0x000000000041E000-memory.dmp

memory/4060-24-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4060-25-0x0000000000400000-0x0000000000414000-memory.dmp