Analysis Overview
SHA256
a20d6f1b2ff848088c1a588170ad1a1d726af6bb6a929c31ddf4cfc0e9e76a5f
Threat Level: Known bad
The file a456262a3687a2e321a9c3405a60746b_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
AgentTesla
AgentTesla payload
Drops file in Drivers directory
Accesses Microsoft Outlook profiles
Adds Run key to start application
Suspicious use of SetThreadContext
Unsigned PE
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
outlook_office_path
Suspicious use of WriteProcessMemory
outlook_win_path
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-04-03 19:13
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral2
Detonation Overview
Submitted
2024-04-03 19:13
Reported
2024-04-03 19:15
Platform
win10v2004-20240226-en
Max time kernel
149s
Max time network
150s
Command Line
Signatures
AgentTesla
AgentTesla payload
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system32\drivers\etc\hosts | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 4500 set thread context of 1424 | N/A | C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-566096764-1992588923-1249862864-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 133.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.66.18.2.in-addr.arpa | udp |
| US | 138.91.171.81:80 | tcp | |
| US | 8.8.8.8:53 | 228.249.119.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 157.123.68.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.126.166.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 218.122.19.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 227.97.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 210.108.222.173.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 10.173.189.20.in-addr.arpa | udp |
Files
memory/4500-0-0x0000000000FD0000-0x0000000001038000-memory.dmp
memory/4500-1-0x0000000075320000-0x0000000075AD0000-memory.dmp
memory/4500-2-0x0000000005DF0000-0x0000000006394000-memory.dmp
memory/4500-3-0x00000000058E0000-0x0000000005972000-memory.dmp
memory/4500-4-0x0000000005A80000-0x0000000005A90000-memory.dmp
memory/4500-5-0x0000000005B90000-0x0000000005B9A000-memory.dmp
memory/4500-6-0x0000000007250000-0x000000000725A000-memory.dmp
memory/4500-7-0x0000000075320000-0x0000000075AD0000-memory.dmp
memory/4500-8-0x0000000005A80000-0x0000000005A90000-memory.dmp
memory/4500-9-0x0000000007260000-0x00000000072FC000-memory.dmp
memory/4500-10-0x0000000007360000-0x00000000073C0000-memory.dmp
memory/1424-11-0x0000000000400000-0x000000000043C000-memory.dmp
memory/4500-13-0x0000000075320000-0x0000000075AD0000-memory.dmp
memory/1424-14-0x0000000005360000-0x0000000005370000-memory.dmp
memory/1424-15-0x0000000075320000-0x0000000075AD0000-memory.dmp
memory/1424-16-0x0000000005740000-0x0000000005758000-memory.dmp
memory/1424-17-0x0000000006230000-0x0000000006296000-memory.dmp
memory/1424-19-0x0000000005360000-0x0000000005370000-memory.dmp
memory/1424-20-0x0000000075320000-0x0000000075AD0000-memory.dmp
memory/1424-22-0x00000000066B0000-0x0000000006700000-memory.dmp
memory/1424-23-0x0000000005360000-0x0000000005370000-memory.dmp
memory/1424-24-0x0000000005360000-0x0000000005370000-memory.dmp
Analysis: behavioral1
Detonation Overview
Submitted
2024-04-03 19:13
Reported
2024-04-03 19:15
Platform
win7-20240221-en
Max time kernel
149s
Max time network
123s
Command Line
Signatures
AgentTesla
AgentTesla 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 |
| N/A | N/A | N/A | N/A |
Drops file in Drivers directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Windows\system32\drivers\etc\hosts | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2528 set thread context of 2816 | N/A | C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a456262a3687a2e321a9c3405a60746b_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
Network
Files
memory/2528-0-0x0000000000240000-0x00000000002A8000-memory.dmp
memory/2528-1-0x0000000074600000-0x0000000074CEE000-memory.dmp
memory/2528-2-0x0000000000550000-0x0000000000590000-memory.dmp
memory/2528-3-0x0000000000540000-0x000000000054A000-memory.dmp
memory/2528-4-0x0000000074600000-0x0000000074CEE000-memory.dmp
memory/2528-5-0x0000000000550000-0x0000000000590000-memory.dmp
memory/2528-6-0x0000000004480000-0x00000000044E0000-memory.dmp
memory/2816-7-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2816-8-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2816-9-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2816-10-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2816-17-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2816-15-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2816-13-0x0000000000400000-0x000000000043C000-memory.dmp
memory/2816-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2816-18-0x0000000074600000-0x0000000074CEE000-memory.dmp
memory/2528-20-0x0000000074600000-0x0000000074CEE000-memory.dmp
memory/2816-19-0x0000000004BD0000-0x0000000004C10000-memory.dmp
memory/2816-22-0x0000000074600000-0x0000000074CEE000-memory.dmp
memory/2816-24-0x0000000004BD0000-0x0000000004C10000-memory.dmp
memory/2816-25-0x0000000004BD0000-0x0000000004C10000-memory.dmp