Analysis
- max time kernel
149s - max time network
94s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
05/02/2026, 15:26
General
- Target 4f373533a0324e13b5cd7764cab27bfc7f41d4e86734ea71218fe18a59a4fa7c.exe
- Size 588KB
- Sample260205-svedvaat4c
- SHA256 4f373533a0324e13b5cd7764cab27bfc7f41d4e86734ea71218fe18a59a4fa7c
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\4f373533a0324e13b5cd7764cab27bfc7f41d4e86734ea71218fe18a59a4fa7c.exe"C:\Users\Admin\AppData\Local\Temp\4f373533a0324e13b5cd7764cab27bfc7f41d4e86734ea71218fe18a59a4fa7c.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\4f373533a0324e13b5cd7764cab27bfc7f41d4e86734ea71218fe18a59a4fa7c.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 3308 -s 6802⤵
- Program crash
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3308 -ip 33081⤵
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2392-6-0x0000000000340000-0x0000000000380000-memory.dmp
memory/2392-7-0x0000000005220000-0x00000000057C6000-memory.dmp
memory/2392-8-0x0000000004C60000-0x0000000004C70000-memory.dmp
memory/2392-9-0x0000000004D70000-0x0000000004DD6000-memory.dmp
memory/2392-12-0x0000000005C50000-0x0000000005CA0000-memory.dmp
memory/2392-13-0x0000000005D40000-0x0000000005DD2000-memory.dmp
memory/2392-14-0x0000000005CC0000-0x0000000005CCA000-memory.dmp
memory/2392-15-0x0000000004C60000-0x0000000004C70000-memory.dmp
memory/3308-0-0x0000000000170000-0x00000000002C3000-memory.dmp
memory/3308-5-0x0000000003550000-0x0000000003554000-memory.dmp
memory/3308-11-0x0000000000170000-0x00000000002C3000-memory.dmp