Analysis
- max time kernel
121s - max time network
152s - platform
windows7_x64 - resource
win7-20240708-en - resource tags
- submitted
09/08/2024, 07:56
General
- Target Swift 103.exe
- Size 858KB
- Sample240809-js4raasbph
- SHA256 9f5649515a76da77c4431c4617b4eb1908892a40199639f50280a4af77f229e4
Malware Config
Signatures
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- 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 3 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
- Browser Information Discovery 1 TTPs
Enumerate browser information.
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 5 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: EnumeratesProcesses 9 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Swift 103.exe"C:\Users\Admin\AppData\Local\Temp\Swift 103.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Swift 103.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\aZhEgGRwKzT.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\aZhEgGRwKzT" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCEC4.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\Swift 103.exe"C:\Users\Admin\AppData\Local\Temp\Swift 103.exe"2⤵
- 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
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
tmpCEC4.tmp
d93f411851d7c929.customDestinations-ms
memory/2312-4-0x00000000002A0000-0x00000000002BA000-memory.dmp
memory/2312-3-0x00000000741E0000-0x00000000748CE000-memory.dmp
memory/2312-0-0x00000000741EE000-0x00000000741EF000-memory.dmp
memory/2312-5-0x0000000000310000-0x000000000031E000-memory.dmp
memory/2312-6-0x0000000000320000-0x0000000000336000-memory.dmp
memory/2312-7-0x0000000004980000-0x0000000004A0A000-memory.dmp
memory/2312-2-0x00000000047D0000-0x0000000004880000-memory.dmp
memory/2312-1-0x0000000000B80000-0x0000000000C5E000-memory.dmp
memory/2312-33-0x00000000741E0000-0x00000000748CE000-memory.dmp
memory/2316-30-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2316-32-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2316-29-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2316-24-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2316-26-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2316-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2316-23-0x0000000000400000-0x0000000000448000-memory.dmp
memory/2316-20-0x0000000000400000-0x0000000000448000-memory.dmp