Analysis Overview
SHA256
a900d839a0b9eb00cdecce3341c7fd63c73c47f0a3a9a3a25381a9f4e8347a68
Threat Level: Known bad
The file a89cae7074a69f416bdcc29ec5860894_JaffaCakes118 was found to be: Known bad.
Malicious Activity Summary
AgentTesla
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of local email clients
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Looks up external IP address via web service
Accesses Microsoft Outlook profiles
Adds Run key to start application
Suspicious use of SetThreadContext
Enumerates physical storage devices
Unsigned PE
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
outlook_win_path
Suspicious behavior: EnumeratesProcesses
outlook_office_path
MITRE ATT&CK Matrix V13
Analysis: static1
Detonation Overview
Reported
2024-06-14 07:53
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-14 07:53
Reported
2024-06-14 07:56
Platform
win7-20240508-en
Max time kernel
150s
Max time network
124s
Command Line
Signatures
AgentTesla
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\WzR.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows\CurrentVersion\Run\MyOtApp = "C:\\Users\\Admin\\AppData\\Roaming\\MyOtApp\\MyOtApp.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2408 set thread context of 1308 | N/A | C:\Users\Admin\AppData\Local\Temp\a89cae7074a69f416bdcc29ec5860894_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a89cae7074a69f416bdcc29ec5860894_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\WzR.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a89cae7074a69f416bdcc29ec5860894_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a89cae7074a69f416bdcc29ec5860894_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Users\Admin\AppData\Local\Temp\WzR.exe
"C:\Users\Admin\AppData\Local\Temp\WzR.exe" C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
Files
memory/2408-0-0x0000000074A9E000-0x0000000074A9F000-memory.dmp
memory/2408-1-0x00000000008C0000-0x000000000095C000-memory.dmp
memory/2408-2-0x00000000004E0000-0x0000000000500000-memory.dmp
memory/2408-3-0x0000000000470000-0x0000000000476000-memory.dmp
memory/2408-4-0x0000000074A90000-0x000000007517E000-memory.dmp
memory/2408-5-0x0000000074A90000-0x000000007517E000-memory.dmp
memory/1308-6-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1308-8-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1308-10-0x0000000000400000-0x000000000043A000-memory.dmp
memory/2408-11-0x0000000074A90000-0x000000007517E000-memory.dmp
memory/1308-15-0x0000000000470000-0x000000000047A000-memory.dmp
\Users\Admin\AppData\Local\Temp\WzR.exe
| MD5 | f683769b947501b5a98376619d5938bb |
| SHA1 | 6a38e4acd9ade0d85697d10683ec84fa0daed11c |
| SHA256 | c2cae82e01d954e3a50feaebcd3f75de7416a851ea855d6f0e8aaac84a507ca3 |
| SHA512 | dbd7a26139c5ef6a409fb247b08eb54c62328edace9a047aac3ca75b8e552572428dbda4efc7836398fa4d2d9e68075e10e2436efcf1f9fc138d69ac440bd556 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-14 07:53
Reported
2024-06-14 07:56
Platform
win10v2004-20240508-en
Max time kernel
149s
Max time network
51s
Command Line
Signatures
AgentTesla
Checks computer location settings
| Description | Indicator | Process | Target |
| Key value queried | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\GAx.exe | N/A |
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Accesses Microsoft Outlook profiles
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Key opened | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyOtApp = "C:\\Users\\Admin\\AppData\\Roaming\\MyOtApp\\MyOtApp.exe" | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | checkip.dyndns.org | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 1868 set thread context of 3900 | N/A | C:\Users\Admin\AppData\Local\Temp\a89cae7074a69f416bdcc29ec5860894_JaffaCakes118.exe | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Enumerates physical storage devices
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\a89cae7074a69f416bdcc29ec5860894_JaffaCakes118.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\GAx.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
outlook_office_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
outlook_win_path
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Processes
C:\Users\Admin\AppData\Local\Temp\a89cae7074a69f416bdcc29ec5860894_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a89cae7074a69f416bdcc29ec5860894_JaffaCakes118.exe"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
C:\Users\Admin\AppData\Local\Temp\GAx.exe
"C:\Users\Admin\AppData\Local\Temp\GAx.exe" C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | checkip.dyndns.org | udp |
Files
memory/1868-0-0x000000007484E000-0x000000007484F000-memory.dmp
memory/1868-1-0x0000000000640000-0x00000000006DC000-memory.dmp
memory/1868-2-0x0000000002A30000-0x0000000002A50000-memory.dmp
memory/1868-3-0x0000000002A50000-0x0000000002A56000-memory.dmp
memory/1868-4-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/1868-5-0x0000000007AD0000-0x0000000008074000-memory.dmp
memory/1868-6-0x0000000007610000-0x00000000076A2000-memory.dmp
memory/1868-7-0x0000000007A10000-0x0000000007AAC000-memory.dmp
memory/3900-8-0x0000000000400000-0x000000000043A000-memory.dmp
memory/1868-10-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/3900-11-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/3900-12-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/3900-13-0x00000000056F0000-0x0000000005708000-memory.dmp
memory/3900-14-0x0000000005ED0000-0x0000000005F36000-memory.dmp
memory/3900-15-0x0000000074840000-0x0000000074FF0000-memory.dmp
memory/3900-19-0x0000000006C70000-0x0000000006C7A000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\GAx.exe
| MD5 | f683769b947501b5a98376619d5938bb |
| SHA1 | 6a38e4acd9ade0d85697d10683ec84fa0daed11c |
| SHA256 | c2cae82e01d954e3a50feaebcd3f75de7416a851ea855d6f0e8aaac84a507ca3 |
| SHA512 | dbd7a26139c5ef6a409fb247b08eb54c62328edace9a047aac3ca75b8e552572428dbda4efc7836398fa4d2d9e68075e10e2436efcf1f9fc138d69ac440bd556 |
memory/3900-29-0x0000000006B70000-0x0000000006BC0000-memory.dmp
memory/1892-30-0x000000006E7E2000-0x000000006E7E3000-memory.dmp
memory/1892-31-0x000000006E7E0000-0x000000006ED91000-memory.dmp
memory/1892-32-0x000000006E7E0000-0x000000006ED91000-memory.dmp
memory/3900-33-0x00000000068F0000-0x00000000068FA000-memory.dmp
memory/1892-34-0x000000006E7E2000-0x000000006E7E3000-memory.dmp
memory/1892-35-0x000000006E7E0000-0x000000006ED91000-memory.dmp