Analysis
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max time kernel
133s -
max time network
102s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
24-05-2024 12:31
Static task
static1
Behavioral task
behavioral1
Sample
6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe
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Size
1.6MB
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MD5
6e886d34eb989d51f7ca3435617aea39
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SHA1
d6ceb38b675cd9c05d0c929b48f202ca6c8ea670
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SHA256
a966049a6aae7074cbe4fc2a5d9d635a7e2f014b50ccfc18f21960fad954d84d
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SHA512
e6838dbfcc151a709feaaddfdea262032d19d33e72fa1da126cdeee2c12d8e9ce962e04cd0e086b4f4b40cc096f14fd21263d948f4594867e1de4c9b3aa267d4
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SSDEEP
24576:CAHnh+eWsN3skA4RV1Hom2KXSmdav1ONQP4s6CLOhkI393S0mo9QUg6yUJ9lAvo4:Fh+ZkldoPKi2avkDYL7y99QpUJI5
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.antolini.tk - Port:
587 - Username:
[email protected] - Password:
chinyerewaga2019
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/4940-2-0x0000000000400000-0x000000000044C000-memory.dmp family_agenttesla -
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-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exedescription pid process target process PID 228 set thread context of 4940 228 6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
RegAsm.exepid process 4940 RegAsm.exe 4940 RegAsm.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exepid process 228 6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
RegAsm.exedescription pid process Token: SeDebugPrivilege 4940 RegAsm.exe -
Suspicious use of FindShellTrayWindow 3 IoCs
Processes:
6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exepid process 228 6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe 228 6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe 228 6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe -
Suspicious use of SendNotifyMessage 3 IoCs
Processes:
6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exepid process 228 6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe 228 6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe 228 6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exedescription pid process target process PID 228 wrote to memory of 4940 228 6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe RegAsm.exe PID 228 wrote to memory of 4940 228 6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe RegAsm.exe PID 228 wrote to memory of 4940 228 6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe RegAsm.exe PID 228 wrote to memory of 4940 228 6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe RegAsm.exe -
outlook_office_path 1 IoCs
Processes:
RegAsm.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\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-1-5-21-2804150937-2146708401-419095071-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\6e886d34eb989d51f7ca3435617aea39_JaffaCakes118.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
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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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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memory/228-0-0x00000000018E0000-0x0000000001926000-memory.dmpFilesize
280KB
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memory/228-1-0x0000000004200000-0x0000000004246000-memory.dmpFilesize
280KB
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memory/4940-2-0x0000000000400000-0x000000000044C000-memory.dmpFilesize
304KB
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memory/4940-3-0x0000000074C02000-0x0000000074C03000-memory.dmpFilesize
4KB
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memory/4940-4-0x0000000074C00000-0x00000000751B1000-memory.dmpFilesize
5.7MB
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memory/4940-5-0x0000000074C00000-0x00000000751B1000-memory.dmpFilesize
5.7MB
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memory/4940-6-0x0000000074C02000-0x0000000074C03000-memory.dmpFilesize
4KB
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memory/4940-7-0x0000000074C00000-0x00000000751B1000-memory.dmpFilesize
5.7MB