Analysis
- max time kernel
143s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
23/08/2024, 22:18
General
- Target bd60bbc229f4abd69c74feb885b11b79_JaffaCakes118.exe
- Size 1.1MB
- Sample240823-17xd7azfld
- SHA256 31dbbb21f357a3c24fc9257a46fbf71c42b17e870a8a07d035d74eadb5d47c6b
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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bd60bbc229f4abd69c74feb885b11b79_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bd60bbc229f4abd69c74feb885b11b79_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
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YkbnBRqtCfH" /XML "C:\Users\Admin\AppData\Local\Temp\tmp39F7.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\bd60bbc229f4abd69c74feb885b11b79_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bd60bbc229f4abd69c74feb885b11b79_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
bd60bbc229f4abd69c74feb885b11b79_JaffaCakes118.exe.log
tmp39F7.tmp
memory/760-26-0x00000000058B0000-0x0000000005916000-memory.dmp
memory/760-32-0x00000000080F0000-0x0000000008104000-memory.dmp
memory/760-44-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/760-40-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/760-19-0x0000000000400000-0x000000000049A000-memory.dmp
memory/760-31-0x0000000008270000-0x00000000082C0000-memory.dmp
memory/760-29-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/760-28-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/760-27-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/760-25-0x0000000005800000-0x0000000005844000-memory.dmp
memory/760-24-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/760-22-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/1404-9-0x0000000005640000-0x0000000005648000-memory.dmp
memory/1404-0-0x00000000750DE000-0x00000000750DF000-memory.dmp
memory/1404-13-0x0000000006640000-0x00000000066DC000-memory.dmp
memory/1404-1-0x00000000006C0000-0x00000000007E6000-memory.dmp
memory/1404-23-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/1404-12-0x0000000006580000-0x000000000663C000-memory.dmp
memory/1404-11-0x00000000750D0000-0x0000000075880000-memory.dmp
memory/1404-3-0x0000000005450000-0x00000000054EC000-memory.dmp
memory/1404-10-0x00000000750DE000-0x00000000750DF000-memory.dmp
memory/1404-2-0x0000000005080000-0x000000000513C000-memory.dmp
memory/1404-8-0x0000000005820000-0x0000000005876000-memory.dmp
memory/1404-7-0x0000000005600000-0x000000000560A000-memory.dmp
memory/1404-6-0x0000000005690000-0x0000000005722000-memory.dmp
memory/1404-5-0x0000000005BA0000-0x0000000006144000-memory.dmp
memory/1404-4-0x00000000750D0000-0x0000000075880000-memory.dmp