Malware Analysis Report

2024-10-19 10:27

Sample ID 240622-thq3jstcna
Target 02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118
SHA256 c94bafa46add5abf973ee5075d6cfa4ea45f3ce89b5e11f8d273642e01e66c42
Tags
isrstealer 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

c94bafa46add5abf973ee5075d6cfa4ea45f3ce89b5e11f8d273642e01e66c42

Threat Level: Known bad

The file 02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

isrstealer spyware stealer trojan upx

ISR Stealer

ISR Stealer payload

UPX packed file

Executes dropped EXE

Reads user/profile data of web browsers

Loads dropped DLL

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-06-22 16:03

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-22 16:03

Reported

2024-06-22 16:06

Platform

win7-20240221-en

Max time kernel

141s

Max time network

122s

Command Line

"C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_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

Executes dropped EXE

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

Reads user/profile data of web browsers

spyware stealer

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
N/A N/A N/A N/A

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2728 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2728 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2728 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2728 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2728 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2728 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2728 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2728 wrote to memory of 2032 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2032 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2032 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2032 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2032 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2032 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2032 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2032 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2032 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2032 wrote to memory of 2708 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe"

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

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

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

/scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"

Network

N/A

Files

memory/2728-0-0x0000000074B71000-0x0000000074B72000-memory.dmp

memory/2728-1-0x0000000074B70000-0x000000007511B000-memory.dmp

memory/2728-2-0x0000000074B70000-0x000000007511B000-memory.dmp

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

MD5 ed797d8dc2c92401985d162e42ffa450
SHA1 0f02fc517c7facc4baefde4fe9467fb6488ebabe
SHA256 b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e
SHA512 e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

memory/2032-7-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2032-8-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2728-17-0x0000000074B70000-0x000000007511B000-memory.dmp

memory/2032-12-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2032-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2032-9-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2708-21-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2708-25-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2708-24-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2708-26-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2708-27-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2708-31-0x0000000000400000-0x0000000000453000-memory.dmp

memory/2032-32-0x0000000000400000-0x0000000000432000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-06-22 16:03

Reported

2024-06-22 16:06

Platform

win10v2004-20240611-en

Max time kernel

140s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_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

Executes dropped EXE

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

Reads user/profile data of web browsers

spyware stealer

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

Suspicious use of SetWindowsHookEx

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

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1928 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1928 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1928 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1928 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1928 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1928 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1928 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 1928 wrote to memory of 2736 N/A C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2736 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2736 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2736 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2736 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2736 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2736 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2736 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe
PID 2736 wrote to memory of 4892 N/A C:\Users\Admin\AppData\Local\Temp\svchost.exe C:\Users\Admin\AppData\Local\Temp\svchost.exe

Processes

C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\02d2d449d6ebc99c02351ca0f786338d_JaffaCakes118.exe"

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

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

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

/scomma "C:\Users\Admin\AppData\Local\Temp\tmp.ini"

Network

Country Destination Domain Proto
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.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 80.90.14.23.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.in-addr.arpa udp

Files

memory/1928-0-0x0000000075042000-0x0000000075043000-memory.dmp

memory/1928-1-0x0000000075040000-0x00000000755F1000-memory.dmp

memory/1928-2-0x0000000075040000-0x00000000755F1000-memory.dmp

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

MD5 e118330b4629b12368d91b9df6488be0
SHA1 ce90218c7e3b90df2a3409ec253048bb6472c2fd
SHA256 3a0f2936b8c45e8ba3458d69d7859a63844469e698652e15fb56639d32f40cc9
SHA512 ac91c04cb20223dbaaf594440cb778dff36e857921be427c8528ba4c6cdb3e8bf8e71e1ae8af7bde9c04ff5b97b379231625bc1a2b66aba2f98cd340cd8a94b0

memory/2736-5-0x0000000000400000-0x0000000000432000-memory.dmp

memory/2736-10-0x0000000000400000-0x0000000000432000-memory.dmp

memory/1928-13-0x0000000075040000-0x00000000755F1000-memory.dmp

memory/4892-14-0x0000000000400000-0x0000000000453000-memory.dmp

memory/4892-19-0x0000000000400000-0x0000000000453000-memory.dmp

memory/4892-21-0x0000000000400000-0x0000000000453000-memory.dmp

memory/4892-18-0x0000000000400000-0x0000000000453000-memory.dmp

memory/4892-17-0x0000000000400000-0x0000000000453000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tmp.ini

MD5 d1ea279fb5559c020a1b4137dc4de237
SHA1 db6f8988af46b56216a6f0daf95ab8c9bdb57400
SHA256 fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba
SHA512 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3

memory/2736-24-0x0000000000400000-0x0000000000432000-memory.dmp