Analysis Overview
SHA256
f6f035624c49ffcc9f49643de0da166a4281c6003605c2e1cb1d9cca94d7acf3
Threat Level: Known bad
The file cfdab97a39bca1372a69212c37d97113_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer payload
Isrstealer family
Detected Nirsoft tools
NirSoft MailPassView
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
Suspicious use of SetThreadContext
UPX packed file
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-12-07 00:45
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
2024-12-07 00:45
Reported
2024-12-07 00:48
Platform
win7-20240903-en
Max time kernel
121s
Max time network
122s
Command Line
Signatures
Detected Nirsoft tools
| 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 |
NirSoft MailPassView
| 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 |
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1996 set thread context of 1916 | N/A | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe |
| PID 1996 set thread context of 2200 | N/A | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_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 |
| 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 |
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\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\ctjh37jxi6.ini"
C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\9d7pQsZGyq.ini"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | exs1337.host56.com | udp |
Files
memory/1916-4-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1916-2-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1916-5-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1916-7-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1916-6-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1916-9-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\ctjh37jxi6.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/2200-12-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2200-16-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2200-15-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2200-14-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2200-19-0x0000000000400000-0x000000000041F000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-12-07 00:45
Reported
2024-12-07 00:48
Platform
win10v2004-20241007-en
Max time kernel
94s
Max time network
149s
Command Line
Signatures
Detected Nirsoft tools
| 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 |
NirSoft MailPassView
| 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 |
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4468 set thread context of 2060 | N/A | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe |
| PID 4468 set thread context of 3996 | N/A | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_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 |
| 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\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\CT2bvpe14L.ini"
C:\Users\Admin\AppData\Local\Temp\cfdab97a39bca1372a69212c37d97113_JaffaCakes118.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\Bnr0jQLZA0.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 | 241.150.49.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 17.160.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | exs1337.host56.com | udp |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 96.36.72.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 29.243.111.52.in-addr.arpa | udp |
Files
memory/2060-4-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2060-5-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2060-7-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2060-6-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2060-9-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CT2bvpe14L.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/3996-12-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3996-14-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3996-16-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3996-15-0x0000000000400000-0x000000000041F000-memory.dmp
memory/3996-19-0x0000000000400000-0x000000000041F000-memory.dmp