Analysis
- max time kernel
137s - max time network
109s - platform
windows10-2004_x64 - resource
win10v2004-20240709-en - resource tags
- submitted
29/07/2024, 20:13
General
- Target 5d5d8bda83f706630e355ab26b896d81_JaffaCakes118.exe
- Size 1.0MB
- Sample240729-yzmtnssfrc
- SHA256 2f61047689118e21626c8cf55f4400cb7e65bf68684f326609252eb070bfd887
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 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\5d5d8bda83f706630e355ab26b896d81_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5d5d8bda83f706630e355ab26b896d81_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\SohgkkYIC" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8681.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
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C:\Users\Admin\AppData\Local\Temp\5d5d8bda83f706630e355ab26b896d81_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5d5d8bda83f706630e355ab26b896d81_JaffaCakes118.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\5d5d8bda83f706630e355ab26b896d81_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\5d5d8bda83f706630e355ab26b896d81_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
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
5d5d8bda83f706630e355ab26b896d81_JaffaCakes118.exe.log
tmp8681.tmp
memory/1624-42-0x0000000074D70000-0x0000000075520000-memory.dmp
memory/1624-31-0x0000000007BF0000-0x0000000007C04000-memory.dmp
memory/1624-30-0x0000000007C70000-0x0000000007CC0000-memory.dmp
memory/1624-28-0x0000000074D70000-0x0000000075520000-memory.dmp
memory/1624-27-0x0000000074D70000-0x0000000075520000-memory.dmp
memory/1624-26-0x0000000005290000-0x00000000052F6000-memory.dmp
memory/1624-25-0x0000000074D70000-0x0000000075520000-memory.dmp
memory/1624-24-0x00000000051E0000-0x0000000005224000-memory.dmp
memory/1624-22-0x0000000074D70000-0x0000000075520000-memory.dmp
memory/1624-19-0x0000000000400000-0x000000000049A000-memory.dmp
memory/4880-12-0x00000000055F0000-0x00000000056A8000-memory.dmp
memory/4880-6-0x0000000004850000-0x000000000485A000-memory.dmp
memory/4880-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp
memory/4880-11-0x0000000074D70000-0x0000000075520000-memory.dmp
memory/4880-10-0x0000000074D7E000-0x0000000074D7F000-memory.dmp
memory/4880-9-0x0000000004F80000-0x0000000004F88000-memory.dmp
memory/4880-23-0x0000000074D70000-0x0000000075520000-memory.dmp
memory/4880-13-0x00000000056A0000-0x000000000573C000-memory.dmp
memory/4880-7-0x0000000005000000-0x0000000005056000-memory.dmp
memory/4880-8-0x0000000074D70000-0x0000000075520000-memory.dmp
memory/4880-5-0x000000000A350000-0x000000000A3E2000-memory.dmp
memory/4880-4-0x000000000A900000-0x000000000AEA4000-memory.dmp
memory/4880-3-0x000000000A2B0000-0x000000000A34C000-memory.dmp
memory/4880-2-0x0000000004CC0000-0x0000000004D78000-memory.dmp
memory/4880-1-0x0000000000280000-0x0000000000390000-memory.dmp