Malware Analysis Report

2025-01-18 16:36

Sample ID 241202-dcxeda1ler
Target b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118
SHA256 848f7ba6105563c59127e9bd0eda01bf75271fc1a1570584c98cabf7057bbcf1
Tags
isrstealer discovery spyware stealer trojan upx
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

848f7ba6105563c59127e9bd0eda01bf75271fc1a1570584c98cabf7057bbcf1

Threat Level: Known bad

The file b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

isrstealer discovery spyware stealer trojan upx

ISR Stealer

Isrstealer family

ISR Stealer payload

Executes dropped EXE

Loads dropped DLL

Reads data files stored by FTP clients

Checks computer location settings

Reads user/profile data of web browsers

Suspicious use of SetThreadContext

AutoIT Executable

UPX packed file

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of SetWindowsHookEx

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of SendNotifyMessage

Suspicious behavior: EnumeratesProcesses

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-02 02:52

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-02 02:52

Reported

2024-12-02 02:54

Platform

win7-20241010-en

Max time kernel

121s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_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

Isrstealer family

isrstealer

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2560 set thread context of 1952 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe

UPX packed file

upx
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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\12.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\12.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2372 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe
PID 2372 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe
PID 2372 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe
PID 2372 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe
PID 2372 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe
PID 2372 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe
PID 2372 wrote to memory of 1512 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe
PID 2372 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2372 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2372 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2372 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2372 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2372 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2372 wrote to memory of 2560 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2560 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2560 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2560 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2560 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2560 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2560 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2560 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2560 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2560 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2560 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2560 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 2560 wrote to memory of 1952 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe

"C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe"

C:\Users\Admin\AppData\Local\Temp\12.exe

"C:\Users\Admin\AppData\Local\Temp\12.exe"

C:\Users\Admin\AppData\Local\Temp\12.exe

C:\Users\Admin\AppData\Local\Temp\12.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.rapidgens.info udp

Files

\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe

MD5 65f08bbfff6f19b13b051d56be4233bc
SHA1 784c0e1b19469cdcf16d3a5f23c76e0b0f32f0ac
SHA256 203ee3b4988fbd6d406c6ae593775609b3e655af0af9fdb3e3c253437d522e0d
SHA512 3dbeb5c8f5943fc0f95aac95831108b850823e3aa9356e47e54fc0fc63bea62a612d300a8ddb4ab6c71dbf37af788d0ee5932fe53bbc93b03fd59e4ae42682ab

memory/2372-5-0x0000000002AD0000-0x0000000002B93000-memory.dmp

\Users\Admin\AppData\Local\Temp\12.exe

MD5 17d4bf5aa5a964763f61de2671f693d5
SHA1 a17dc284c0fa20c60dfc910d08ce87d3bb90a6f5
SHA256 f6acf42f09869e6b9871782b2b766a5eebf9437ef0289fd323745c165815efb3
SHA512 c4c608f573bd0d4c18555107ca2617db2dd02b2cb3611eb427b0d7cf3a32285ebf2bcba38954ec888b13afa4d2e4dadd9b0dc514a269803b6ce3890a5c55ddd1

memory/1512-20-0x00000000001C0000-0x0000000000283000-memory.dmp

memory/1512-18-0x0000000000400000-0x00000000004C3000-memory.dmp

memory/1952-28-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1952-37-0x0000000000400000-0x0000000000414000-memory.dmp

memory/1512-39-0x0000000000400000-0x00000000004C3000-memory.dmp

memory/1512-41-0x0000000000400000-0x00000000004C3000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-12-02 02:52

Reported

2024-12-02 02:54

Platform

win10v2004-20241007-en

Max time kernel

148s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_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

Isrstealer family

isrstealer

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A

Reads data files stored by FTP clients

spyware stealer

Reads user/profile data of web browsers

spyware stealer

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 456 set thread context of 5052 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe

UPX packed file

upx
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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\12.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\12.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe N/A

Suspicious behavior: GetForegroundWindowSpam

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\12.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3944 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe
PID 3944 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe
PID 3944 wrote to memory of 4444 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe
PID 3944 wrote to memory of 456 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 3944 wrote to memory of 456 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 3944 wrote to memory of 456 N/A C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 456 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 456 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 456 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 456 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 456 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 456 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 456 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe
PID 456 wrote to memory of 5052 N/A C:\Users\Admin\AppData\Local\Temp\12.exe C:\Users\Admin\AppData\Local\Temp\12.exe

Processes

C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\b6702cda80a4d3509d2e55688c05c9b5_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe

"C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe"

C:\Users\Admin\AppData\Local\Temp\12.exe

"C:\Users\Admin\AppData\Local\Temp\12.exe"

C:\Users\Admin\AppData\Local\Temp\12.exe

C:\Users\Admin\AppData\Local\Temp\12.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 www.rapidgens.info udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 197.87.175.4.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\NIS-2012-Crack.exe

MD5 65f08bbfff6f19b13b051d56be4233bc
SHA1 784c0e1b19469cdcf16d3a5f23c76e0b0f32f0ac
SHA256 203ee3b4988fbd6d406c6ae593775609b3e655af0af9fdb3e3c253437d522e0d
SHA512 3dbeb5c8f5943fc0f95aac95831108b850823e3aa9356e47e54fc0fc63bea62a612d300a8ddb4ab6c71dbf37af788d0ee5932fe53bbc93b03fd59e4ae42682ab

memory/4444-18-0x0000000000400000-0x00000000004C3000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\12.exe

MD5 17d4bf5aa5a964763f61de2671f693d5
SHA1 a17dc284c0fa20c60dfc910d08ce87d3bb90a6f5
SHA256 f6acf42f09869e6b9871782b2b766a5eebf9437ef0289fd323745c165815efb3
SHA512 c4c608f573bd0d4c18555107ca2617db2dd02b2cb3611eb427b0d7cf3a32285ebf2bcba38954ec888b13afa4d2e4dadd9b0dc514a269803b6ce3890a5c55ddd1

memory/5052-25-0x0000000000400000-0x0000000000414000-memory.dmp

memory/5052-28-0x0000000000400000-0x0000000000414000-memory.dmp

memory/5052-33-0x0000000000400000-0x0000000000414000-memory.dmp

memory/4444-34-0x0000000000400000-0x00000000004C3000-memory.dmp

memory/4444-35-0x0000000000400000-0x00000000004C3000-memory.dmp