Resubmissions
14/04/2025, 02:32
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250414-c1drhayydy02/09/2024, 02:44
240902-c8nlnszbmj1025/08/2024, 17:39
240825-v8my9axfql10Analysis
- max time kernel
98s - max time network
145s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
02/09/2024, 02:44
General
- Target Invoice.exe
- Size 502KB
- Sample240902-c8nlnszbmj
- SHA256 24fb7946550f1ce880b6e96318c2ce6cdb993679db6a9e2c34c6e809fab35c64
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.privateemail.com
-
Port
587
-
Username
-
Password
MARYolanmauluogwo@ever
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla payload 1 IoCs
- Beds Protector Packer 1 IoCs
Detects Beds Protector packer used to load .NET malware.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Drops startup file 2 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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.
- Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 4 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\Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\Invoice.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe'2⤵
- Drops startup file
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\Invoice.exe"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
Invoice.exe.log
__PSScriptPolicyTest_3vvp15nw.wo2.ps1
memory/2232-1-0x0000000000730000-0x00000000007B4000-memory.dmp
memory/2232-3-0x00000000056B0000-0x0000000005C54000-memory.dmp
memory/2232-2-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/2232-4-0x00000000051E0000-0x0000000005272000-memory.dmp
memory/2232-5-0x0000000005280000-0x00000000052EC000-memory.dmp
memory/2232-6-0x0000000005390000-0x000000000542C000-memory.dmp
memory/2232-31-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/2232-27-0x00000000051D0000-0x00000000051E6000-memory.dmp
memory/2232-0-0x00000000747CE000-0x00000000747CF000-memory.dmp
memory/3700-26-0x0000000006250000-0x000000000629C000-memory.dmp
memory/3700-11-0x0000000005100000-0x0000000005122000-memory.dmp
memory/3700-14-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/3700-13-0x0000000005980000-0x00000000059E6000-memory.dmp
memory/3700-8-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/3700-15-0x0000000005B30000-0x0000000005E84000-memory.dmp
memory/3700-25-0x0000000006230000-0x000000000624E000-memory.dmp
memory/3700-35-0x00000000066F0000-0x000000000670A000-memory.dmp
memory/3700-10-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/3700-9-0x0000000005270000-0x0000000005898000-memory.dmp
memory/3700-40-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/3700-7-0x0000000004C00000-0x0000000004C36000-memory.dmp
memory/3700-34-0x00000000073E0000-0x0000000007476000-memory.dmp
memory/3700-12-0x0000000005910000-0x0000000005976000-memory.dmp
memory/3700-36-0x0000000006740000-0x0000000006762000-memory.dmp
memory/5012-28-0x0000000000400000-0x000000000043C000-memory.dmp
memory/5012-33-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/5012-32-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/5012-41-0x0000000005960000-0x0000000005978000-memory.dmp
memory/5012-42-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/5012-43-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/5012-45-0x0000000006BD0000-0x0000000006C20000-memory.dmp
memory/5012-46-0x0000000006B90000-0x0000000006B9A000-memory.dmp
memory/5012-47-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/5012-48-0x00000000747C0000-0x0000000074F70000-memory.dmp