Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
31/08/2024, 03:22
General
- Target cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe
- Size 875KB
- Sample240831-dw5vvstarr
- SHA256 983d5230e9c25016185e43b439e5d42e5018b0688dff7a354f4ebf282c4ee76f
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main payload 1 IoCs
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 42 IoCs
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sDFhCCJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8E22.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
cc256b4155d83aac597f920ddd4cd1fb_JaffaCakes118.exe.log
tmp8E22.tmp
memory/228-26-0x0000000074700000-0x0000000074EB0000-memory.dmp
memory/228-30-0x00000000087F0000-0x0000000008840000-memory.dmp
memory/228-43-0x0000000074700000-0x0000000074EB0000-memory.dmp
memory/228-39-0x0000000074700000-0x0000000074EB0000-memory.dmp
memory/228-31-0x00000000082E0000-0x00000000082F4000-memory.dmp
memory/228-28-0x0000000074700000-0x0000000074EB0000-memory.dmp
memory/228-27-0x0000000074700000-0x0000000074EB0000-memory.dmp
memory/228-18-0x0000000000400000-0x000000000049A000-memory.dmp
memory/228-23-0x00000000059F0000-0x0000000005A34000-memory.dmp
memory/228-24-0x0000000074700000-0x0000000074EB0000-memory.dmp
memory/228-22-0x0000000074700000-0x0000000074EB0000-memory.dmp
memory/228-25-0x0000000005AA0000-0x0000000005B06000-memory.dmp
memory/3408-9-0x000000007470E000-0x000000007470F000-memory.dmp
memory/3408-0-0x000000007470E000-0x000000007470F000-memory.dmp
memory/3408-2-0x0000000005850000-0x00000000058EC000-memory.dmp
memory/3408-12-0x00000000067C0000-0x000000000685C000-memory.dmp
memory/3408-11-0x0000000006510000-0x00000000065CC000-memory.dmp
memory/3408-10-0x0000000074700000-0x0000000074EB0000-memory.dmp
memory/3408-1-0x0000000000DB0000-0x0000000000E90000-memory.dmp
memory/3408-3-0x0000000005EA0000-0x0000000006444000-memory.dmp
memory/3408-8-0x0000000005810000-0x0000000005818000-memory.dmp
memory/3408-7-0x00000000059F0000-0x0000000005A46000-memory.dmp
memory/3408-21-0x0000000074700000-0x0000000074EB0000-memory.dmp
memory/3408-6-0x0000000074700000-0x0000000074EB0000-memory.dmp
memory/3408-5-0x00000000057F0000-0x00000000057FA000-memory.dmp
memory/3408-4-0x00000000058F0000-0x0000000005982000-memory.dmp