Analysis
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max time kernel
118s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
13-09-2024 03:53
Behavioral task
behavioral1
Sample
dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe
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Size
500KB
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MD5
dd9d7ed8a5e003fc237ac5fadb609e14
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SHA1
9934bc18668c752d883dd0a0c7c9440950f7ac3c
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SHA256
d64afdc44491ffabe97b8dab039fbecd32ae7a4d31f82238b7081086576fbc39
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SHA512
08369d3bc1eaffee9eeac5561065b305d0109454e56843f9da73fd17208686d177f0d2883cd8a454fba4e2d0f457002fc312853af41322c64e7b987aaa0da7c8
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SSDEEP
6144:WyLm2GQcjPWnYXU7DhTI1frzRBsdASBNEZGJW7V42QSj5wObJYWkC:tvYEJI1TlBY9DEZ7V6SCOlGC
Malware Config
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
resource yara_rule behavioral1/memory/2024-26-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/2024-28-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla behavioral1/memory/2024-27-0x0000000000400000-0x000000000044E000-memory.dmp family_agenttesla -
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\tapjoaqowckysjy.eu.url dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe -
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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resource yara_rule behavioral1/memory/2524-0-0x0000000000400000-0x00000000004EC000-memory.dmp upx behavioral1/memory/2524-13-0x0000000000230000-0x0000000000231000-memory.dmp upx behavioral1/memory/2524-4-0x0000000000400000-0x00000000004EC000-memory.dmp upx behavioral1/memory/2524-30-0x0000000000400000-0x00000000004EC000-memory.dmp upx -
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\window = "C:\\Users\\Admin\\AppData\\Local\\Temp\\window\\window.exe" RegAsm.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 checkip.amazonaws.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2524 set thread context of 2024 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe -
Suspicious behavior: EnumeratesProcesses 9 IoCs
pid Process 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 2024 RegAsm.exe 2024 RegAsm.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2024 RegAsm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2024 RegAsm.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2524 wrote to memory of 2024 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 31 PID 2524 wrote to memory of 2024 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 31 PID 2524 wrote to memory of 2024 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 31 PID 2524 wrote to memory of 2024 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 31 PID 2524 wrote to memory of 2024 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 31 PID 2524 wrote to memory of 2024 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 31 PID 2524 wrote to memory of 2024 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 31 PID 2524 wrote to memory of 2024 2524 dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe 31 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 RegAsm.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Users\Admin\AppData\Local\Temp\dd9d7ed8a5e003fc237ac5fadb609e14_JaffaCakes118.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2024
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1