Analysis
- max time kernel
149s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20251015-en - resource tags
- submitted
16/10/2025, 06:43
General
- Target SecuriteInfo.com.BackDoor.DarkTortillaNET.1.19644.15210.exe
- Size 1.0MB
- Sample251016-hg2bcadj3v
- SHA256 26319845c08cea4e26c57a35308c7307847c693ed4108ecaaa344e8afe666b28
Malware Config
Extracted
-
darkcloud
-
https://api.telegram.org/bot6274587098:AAEvD64fpPpZLNdkxKF7wS-y2GX94H3OkSM/sendMessage?chat_id=6265187542
Signatures
- DarkCloud
An information stealer written in Visual Basic.
- Darkcloud family
- Darktortilla
DarkTortilla is a highly configurable .NET based crypter that delivers a wide range of information stealers.
- Darktortilla family
- Detects Darktortilla crypter. 1 IoCs
- Executes dropped EXE 2 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 2 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 16 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.DarkTortillaNET.1.19644.15210.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.DarkTortillaNET.1.19644.15210.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.DarkTortillaNET.1.19644.15210.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.DarkTortillaNET.1.19644.15210.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\boorishness.exeC:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\boorishness.exe1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\boorishness.exe"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\boorishness.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v16
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Replay Monitor
Loading Replay Monitor...
Downloads
LoginData
WebData
boorishness.exe
memory/3680-29-0x0000000005690000-0x00000000056A0000-memory.dmp
memory/3680-28-0x0000000005690000-0x00000000056A0000-memory.dmp
memory/4820-12-0x0000000000400000-0x0000000000444000-memory.dmp
memory/4820-13-0x0000000000400000-0x0000000000444000-memory.dmp
memory/4960-4-0x0000000005CB0000-0x0000000005CC0000-memory.dmp
memory/4960-8-0x0000000007CD0000-0x0000000007CE6000-memory.dmp
memory/4960-9-0x0000000007D20000-0x0000000007D26000-memory.dmp
memory/4960-10-0x0000000005CB0000-0x0000000005CC0000-memory.dmp
memory/4960-11-0x0000000005CB0000-0x0000000005CC0000-memory.dmp
memory/4960-7-0x0000000005CB0000-0x0000000005CC0000-memory.dmp
memory/4960-6-0x0000000005AA0000-0x0000000005AE2000-memory.dmp
memory/4960-5-0x0000000005A60000-0x0000000005A6A000-memory.dmp
memory/4960-0-0x0000000000F50000-0x0000000001058000-memory.dmp
memory/4960-3-0x0000000005B40000-0x0000000005BD2000-memory.dmp
memory/4960-2-0x00000000059B0000-0x0000000005A4C000-memory.dmp
memory/4960-1-0x0000000006050000-0x00000000065F6000-memory.dmp