Analysis
- max time kernel
117s - max time network
125s - platform
windows10-2004_x64 - resource
win10v2004-20240802-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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 11 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 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⤵
- 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\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\tmpB5F2.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
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_cfvveeav.ygt.ps1
tmpB5F2.tmp
memory/3476-77-0x0000000006DA0000-0x0000000006DAA000-memory.dmp
memory/3476-78-0x0000000006FB0000-0x0000000007046000-memory.dmp
memory/3476-90-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/3476-83-0x0000000007070000-0x000000000708A000-memory.dmp
memory/3476-82-0x0000000006F70000-0x0000000006F84000-memory.dmp
memory/3476-81-0x0000000006F60000-0x0000000006F6E000-memory.dmp
memory/3476-80-0x0000000006F30000-0x0000000006F41000-memory.dmp
memory/3476-21-0x0000000004A40000-0x0000000004A62000-memory.dmp
memory/3476-16-0x00000000044C0000-0x00000000044F6000-memory.dmp
memory/3476-18-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/3476-17-0x0000000004B80000-0x00000000051A8000-memory.dmp
memory/3476-50-0x00000000059F0000-0x0000000005A0E000-memory.dmp
memory/3476-19-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/3476-23-0x0000000005290000-0x00000000052F6000-memory.dmp
memory/3476-22-0x00000000051B0000-0x0000000005216000-memory.dmp
memory/3476-55-0x0000000071020000-0x000000007106C000-memory.dmp
memory/3476-51-0x0000000005A80000-0x0000000005ACC000-memory.dmp
memory/3476-76-0x0000000007380000-0x00000000079FA000-memory.dmp
memory/3476-45-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/3476-25-0x0000000005440000-0x0000000005794000-memory.dmp
memory/3620-91-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/3620-84-0x0000000007530000-0x0000000007538000-memory.dmp
memory/3620-24-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/3620-75-0x0000000007210000-0x000000000722A000-memory.dmp
memory/3620-79-0x0000000007410000-0x0000000007421000-memory.dmp
memory/3620-40-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/3620-52-0x0000000006E90000-0x0000000006EC2000-memory.dmp
memory/3620-74-0x0000000006EF0000-0x0000000006F93000-memory.dmp
memory/3620-72-0x0000000006ED0000-0x0000000006EEE000-memory.dmp
memory/3620-48-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/3620-53-0x0000000071020000-0x000000007106C000-memory.dmp
memory/4504-46-0x0000000000400000-0x0000000000448000-memory.dmp
memory/4504-93-0x0000000006490000-0x00000000064E0000-memory.dmp
memory/4504-92-0x0000000006600000-0x00000000067C2000-memory.dmp
memory/4852-3-0x000000000B380000-0x000000000B924000-memory.dmp
memory/4852-9-0x0000000006400000-0x000000000640E000-memory.dmp
memory/4852-49-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/4852-10-0x00000000066F0000-0x0000000006706000-memory.dmp
memory/4852-11-0x0000000006B70000-0x0000000006BFA000-memory.dmp
memory/4852-7-0x0000000005A80000-0x0000000005B1C000-memory.dmp
memory/4852-8-0x00000000066D0000-0x00000000066EA000-memory.dmp
memory/4852-2-0x0000000005640000-0x00000000056F0000-memory.dmp
memory/4852-0-0x0000000074ABE000-0x0000000074ABF000-memory.dmp
memory/4852-6-0x00000000059A0000-0x00000000059AA000-memory.dmp
memory/4852-5-0x0000000074AB0000-0x0000000075260000-memory.dmp
memory/4852-1-0x0000000000BE0000-0x0000000000CBE000-memory.dmp
memory/4852-4-0x000000000AF70000-0x000000000B002000-memory.dmp