Analysis Overview
SHA256
cf242e41eb5aceaf698df23202a4981518edce73773a801bef74eec05032aa8e
Threat Level: Known bad
The file c466acccd65b0e9eda78d83f1d906def_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
Isrstealer family
ISR Stealer payload
ISR Stealer
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
UPX packed file
System Location Discovery: System Language Discovery
Unsigned PE
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-04 21:10
Signatures
ISR Stealer payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Isrstealer family
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-12-04 21:10
Reported
2024-12-04 21:12
Platform
win7-20240903-en
Max time kernel
118s
Max time network
120s
Command Line
Signatures
ISR Stealer
Isrstealer family
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2420 set thread context of 1256 | N/A | C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe |
UPX packed file
| 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 |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\KgaP1uKEkR.ini"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | nacks.0fees.net | udp |
| US | 199.59.243.227:80 | nacks.0fees.net | tcp |
Files
memory/1256-2-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1256-6-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1256-5-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1256-4-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1256-8-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\KgaP1uKEkR.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-04 21:10
Reported
2024-12-04 21:12
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
143s
Command Line
Signatures
ISR Stealer
Isrstealer family
Reads user/profile data of web browsers
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2628 set thread context of 1252 | N/A | C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe |
UPX packed file
| 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 |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\c466acccd65b0e9eda78d83f1d906def_JaffaCakes118.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\WU1do9hsXy.ini"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 182.129.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nacks.0fees.net | udp |
| US | 199.59.243.227:80 | nacks.0fees.net | tcp |
| US | 8.8.8.8:53 | 227.243.59.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 197.87.175.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/1252-4-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1252-2-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1252-6-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1252-5-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1252-8-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\WU1do9hsXy.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |