Analysis Overview
SHA256
c35a8b3b3b954f61354068c0fc1fa3178c866dfe0eb7c04081b3b4f76991b197
Threat Level: Known bad
The file 86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
ISR Stealer payload
ISR Stealer
Nirsoft
NirSoft MailPassView
Drops startup file
UPX packed file
Reads user/profile data of web browsers
Accesses Microsoft Outlook accounts
Adds Run key to start application
Writes to the Master Boot Record (MBR)
Suspicious use of SetThreadContext
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-05-31 11:42
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-05-31 11:42
Reported
2024-05-31 11:44
Platform
win7-20240508-en
Max time kernel
120s
Max time network
121s
Command Line
Signatures
ISR Stealer
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 |
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 |
Nirsoft
| 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 |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | N/A |
Reads user/profile data of web browsers
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 |
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Roaming\\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe" | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1976 set thread context of 2692 | N/A | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe |
| PID 2692 set thread context of 2280 | N/A | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe |
| PID 2692 set thread context of 2508 | N/A | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\onbIcOxzSM.ini"
C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\Cnhto1BEe7.ini"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | nmbs.net.au | udp |
| SG | 85.187.128.57:80 | nmbs.net.au | tcp |
Files
memory/1976-0-0x0000000000400000-0x00000000006CA000-memory.dmp
memory/1976-19-0x0000000002180000-0x0000000002181000-memory.dmp
memory/1976-18-0x00000000009E0000-0x00000000009E1000-memory.dmp
memory/1976-17-0x00000000009F0000-0x00000000009F1000-memory.dmp
memory/1976-16-0x0000000000A00000-0x0000000000A01000-memory.dmp
memory/1976-15-0x00000000003E0000-0x00000000003E1000-memory.dmp
memory/1976-14-0x00000000003D0000-0x00000000003D1000-memory.dmp
memory/1976-13-0x00000000007E0000-0x00000000007E1000-memory.dmp
memory/1976-12-0x00000000003F0000-0x00000000003F1000-memory.dmp
memory/1976-11-0x00000000007D0000-0x00000000007D2000-memory.dmp
memory/1976-10-0x00000000003C0000-0x00000000003C1000-memory.dmp
memory/1976-9-0x00000000002C0000-0x00000000002C1000-memory.dmp
memory/1976-8-0x00000000003A0000-0x00000000003A1000-memory.dmp
memory/1976-7-0x0000000000240000-0x0000000000241000-memory.dmp
memory/1976-6-0x00000000002D0000-0x00000000002D1000-memory.dmp
memory/1976-5-0x0000000000360000-0x0000000000361000-memory.dmp
memory/1976-4-0x0000000000370000-0x0000000000371000-memory.dmp
memory/1976-3-0x0000000000220000-0x0000000000221000-memory.dmp
memory/1976-2-0x0000000000230000-0x0000000000231000-memory.dmp
memory/1976-1-0x0000000000270000-0x00000000002B2000-memory.dmp
memory/2692-20-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1976-35-0x0000000000270000-0x00000000002B2000-memory.dmp
memory/2280-40-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2280-45-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2280-44-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2280-43-0x0000000000400000-0x0000000000453000-memory.dmp
memory/2280-42-0x0000000000400000-0x0000000000453000-memory.dmp
memory/1976-37-0x0000000000400000-0x00000000006CA000-memory.dmp
memory/2692-31-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2692-29-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2692-24-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2692-22-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2280-47-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\onbIcOxzSM.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/2508-50-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2508-52-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2508-55-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2692-54-0x00000000038F0000-0x0000000003BBA000-memory.dmp
memory/2508-53-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2508-56-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2692-58-0x0000000000400000-0x0000000000442000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-05-31 11:42
Reported
2024-05-31 11:44
Platform
win10v2004-20240426-en
Max time kernel
92s
Max time network
93s
Command Line
Signatures
ISR Stealer
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 |
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 |
Nirsoft
| 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 |
Drops startup file
| Description | Indicator | Process | Target |
| File created | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | N/A |
| File opened for modification | C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | N/A |
Reads user/profile data of web browsers
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 |
Accesses Microsoft Outlook accounts
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Roaming\\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe" | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 5056 set thread context of 2972 | N/A | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe |
| PID 2972 set thread context of 4512 | N/A | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe |
| PID 2972 set thread context of 4384 | N/A | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe"
C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe
C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\DMZPA1Gdul.ini"
C:\Users\Admin\AppData\Local\Temp\86e0a65c4233d5a9d74bae394e68df0f_JaffaCakes118.exe
/scomma "C:\Users\Admin\AppData\Local\Temp\PZBw5pp3sK.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 | 28.118.140.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 146.177.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | nmbs.net.au | udp |
| SG | 85.187.128.57:80 | nmbs.net.au | tcp |
| US | 8.8.8.8:53 | 183.142.211.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 57.128.187.85.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 249.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 23.236.111.52.in-addr.arpa | udp |
Files
memory/5056-0-0x0000000000400000-0x00000000006CA000-memory.dmp
memory/5056-1-0x0000000002380000-0x00000000023C2000-memory.dmp
memory/5056-8-0x0000000000850000-0x0000000000851000-memory.dmp
memory/5056-7-0x0000000002330000-0x0000000002331000-memory.dmp
memory/5056-6-0x0000000002340000-0x0000000002341000-memory.dmp
memory/5056-5-0x0000000002350000-0x0000000002351000-memory.dmp
memory/5056-4-0x00000000007E0000-0x00000000007E1000-memory.dmp
memory/5056-3-0x0000000000840000-0x0000000000841000-memory.dmp
memory/5056-2-0x00000000024E0000-0x00000000024E1000-memory.dmp
memory/5056-18-0x0000000002570000-0x0000000002571000-memory.dmp
memory/5056-17-0x0000000002580000-0x0000000002581000-memory.dmp
memory/5056-16-0x0000000002590000-0x0000000002591000-memory.dmp
memory/5056-15-0x0000000002530000-0x0000000002531000-memory.dmp
memory/5056-14-0x0000000002520000-0x0000000002521000-memory.dmp
memory/5056-13-0x0000000002560000-0x0000000002561000-memory.dmp
memory/5056-19-0x00000000027F0000-0x00000000027F1000-memory.dmp
memory/5056-12-0x0000000002540000-0x0000000002541000-memory.dmp
memory/5056-11-0x0000000002550000-0x0000000002552000-memory.dmp
memory/5056-10-0x0000000002510000-0x0000000002511000-memory.dmp
memory/5056-9-0x0000000002320000-0x0000000002321000-memory.dmp
memory/2972-20-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2972-23-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2972-24-0x0000000000400000-0x0000000000442000-memory.dmp
memory/5056-30-0x0000000002380000-0x00000000023C2000-memory.dmp
memory/5056-28-0x0000000000400000-0x00000000006CA000-memory.dmp
memory/4512-32-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4512-34-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4512-36-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4512-35-0x0000000000400000-0x0000000000453000-memory.dmp
memory/4512-38-0x0000000000400000-0x0000000000453000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\DMZPA1Gdul.ini
| MD5 | d1ea279fb5559c020a1b4137dc4de237 |
| SHA1 | db6f8988af46b56216a6f0daf95ab8c9bdb57400 |
| SHA256 | fcdcc2c46896915a1c695d6231f0fee336a668531b7a3da46178c80362546dba |
| SHA512 | 720e9c284f0559015312df7fe977563e5e16f48d3506e51eb4016adf7971924d352f740b030aa3adc81b6f65fd1dba12df06d10fa6c115074e5097e7ee0f08b3 |
memory/4384-41-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4384-43-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4384-44-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4384-45-0x0000000000400000-0x000000000041F000-memory.dmp
memory/4384-46-0x0000000000400000-0x000000000041F000-memory.dmp
memory/2972-48-0x0000000000400000-0x0000000000442000-memory.dmp