Analysis
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max time kernel
120s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240508-en -
resource tags
arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system -
submitted
22-05-2024 03:53
Static task
static1
Behavioral task
behavioral1
Sample
65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe
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Size
1.6MB
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MD5
65ea5594ddf4968baa26cc3dddfa0db0
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SHA1
a4fab59a1da577bbd4b929d31cdca32279dd0dee
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SHA256
1334290e2e59bc9e53b20732cd9403a683aadce734ca1c5db4030309b74adae0
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SHA512
23d29813b2ab79502743aa328f854b83639770f9294540da41dd7ffac000571832c8238c403905ab0978fc39b9154056f7c0550c1dc0d5bb6b6199f82140de9d
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SSDEEP
49152:Ou0c++OCvkGs9Fa9O/0J7FE8dNWxJ/jBxaq/FDjJY:RB3vkJ9Sq/prdFfJ
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
smtp.weltwietagri.com - Port:
587 - Username:
[email protected] - Password:
aFoijG*0
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2892-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2892-6-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla behavioral1/memory/2892-4-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exedescription pid process target process PID 2392 set thread context of 2892 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 2892 RegAsm.exe 2892 RegAsm.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exepid process 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 2892 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exepid process 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exepid process 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exedescription pid process target process PID 2392 wrote to memory of 2892 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe RegAsm.exe PID 2392 wrote to memory of 2892 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe RegAsm.exe PID 2392 wrote to memory of 2892 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe RegAsm.exe PID 2392 wrote to memory of 2892 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe RegAsm.exe PID 2392 wrote to memory of 2892 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe RegAsm.exe PID 2392 wrote to memory of 2892 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe RegAsm.exe PID 2392 wrote to memory of 2892 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe RegAsm.exe PID 2392 wrote to memory of 2892 2392 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe RegAsm.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3691908287-3775019229-3534252667-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2392 -
C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2892
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2392-0-0x0000000000260000-0x00000000002A7000-memory.dmpFilesize
284KB
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memory/2392-1-0x00000000006B0000-0x00000000006F7000-memory.dmpFilesize
284KB
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memory/2892-2-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/2892-6-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/2892-4-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/2892-7-0x0000000074A22000-0x0000000074A24000-memory.dmpFilesize
8KB
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memory/2892-8-0x0000000074A22000-0x0000000074A24000-memory.dmpFilesize
8KB