Analysis
- max time kernel
149s - max time network
93s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
05/02/2026, 15:01
General
- Target 4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe
- Size 594KB
- Sample260205-sd558sgx5e
- SHA256 4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.cottondreams.org
-
Port
587
-
Username
-
Password
Payday2025
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- AutoIT Executable 1 IoCs
AutoIT scripts compiled to PE executables.
- Suspicious use of SetThreadContext 1 IoCs
- UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Program crash 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of FindShellTrayWindow 3 IoCs
- Suspicious use of SendNotifyMessage 3 IoCs
- Suspicious use of WriteProcessMemory 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe"C:\Users\Admin\AppData\Local\Temp\4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1044 -s 7242⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1044 -ip 10441⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/1044-0-0x00000000005D0000-0x0000000000725000-memory.dmp
memory/1044-5-0x0000000003C60000-0x0000000003C64000-memory.dmp
memory/1044-11-0x00000000005D0000-0x0000000000725000-memory.dmp
memory/5228-6-0x00000000007B0000-0x00000000007F0000-memory.dmp
memory/5228-7-0x0000000005580000-0x0000000005B26000-memory.dmp
memory/5228-8-0x0000000004FC0000-0x0000000004FD0000-memory.dmp
memory/5228-9-0x0000000004FD0000-0x0000000005036000-memory.dmp
memory/5228-12-0x0000000005DC0000-0x0000000005E10000-memory.dmp
memory/5228-13-0x0000000005EB0000-0x0000000005F42000-memory.dmp
memory/5228-14-0x0000000005E30000-0x0000000005E3A000-memory.dmp
memory/5228-15-0x0000000004FC0000-0x0000000004FD0000-memory.dmp