Analysis
- max time kernel
93s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
29/07/2024, 01:53
General
- Target 31cae77f918b6d598a4b0e5af9aea643_JaffaCakes118.ps1
- Size 1.1MB
- Sample240729-ca144s1fmf
- SHA256 f925d649aee4b92c974778fd87576229f44972c23df41df5aacdd9dc55fd2c45
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 1 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
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
- System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 5 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\31cae77f918b6d598a4b0e5af9aea643_JaffaCakes118.ps11⤵
- Suspicious use of SetThreadContext
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Checks computer location settings
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_g1v2qobm.41g.ps1
memory/616-0-0x00007FFA7FB33000-0x00007FFA7FB35000-memory.dmp
memory/616-10-0x0000025F82EA0000-0x0000025F82EC2000-memory.dmp
memory/616-11-0x00007FFA7FB30000-0x00007FFA805F1000-memory.dmp
memory/616-12-0x00007FFA7FB30000-0x00007FFA805F1000-memory.dmp
memory/616-13-0x00007FFA7FB30000-0x00007FFA805F1000-memory.dmp
memory/616-14-0x0000025F82E70000-0x0000025F82E82000-memory.dmp
memory/616-15-0x0000025F82E80000-0x0000025F82E96000-memory.dmp
memory/616-20-0x00007FFA7FB30000-0x00007FFA805F1000-memory.dmp
memory/4972-19-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/4972-18-0x000000007476E000-0x000000007476F000-memory.dmp
memory/4972-16-0x0000000000400000-0x0000000000486000-memory.dmp
memory/4972-21-0x0000000005000000-0x0000000005092000-memory.dmp
memory/4972-22-0x0000000005750000-0x0000000005CF4000-memory.dmp
memory/4972-23-0x0000000005D00000-0x0000000005D66000-memory.dmp
memory/4972-24-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/4972-25-0x0000000074760000-0x0000000074F10000-memory.dmp
memory/4972-26-0x0000000006530000-0x0000000006580000-memory.dmp
memory/4972-27-0x0000000006670000-0x000000000667A000-memory.dmp
memory/4972-28-0x0000000006740000-0x00000000067DC000-memory.dmp
memory/4972-29-0x000000007476E000-0x000000007476F000-memory.dmp
memory/4972-30-0x0000000074760000-0x0000000074F10000-memory.dmp