Analysis
- max time kernel
149s - max time network
93s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
05/02/2026, 15:18
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
b475c6d5e806b588dee0dc1dccfd3c1acd833c31937c45839c862b059f3d1667.exe
Resource
win10v2004-20260130-en
11 signatures
150 seconds
General
- Target b475c6d5e806b588dee0dc1dccfd3c1acd833c31937c45839c862b059f3d1667.exe
- Size 1.1MB
- Sample260205-spr3rahy3f
- SHA256 db80e5c7bd595702fd17c1fe6ce3c5ddb6b9bf5260119d2b0d912b5e4f3f1f95
- MD5 0671513fecaaf28c1350c2879e7cb1ec
- SHA1 9b026c51628ab7768917147b518eb40701b7369c
- SHA512 5c6b1eb99bdebc1b61f010a14827cb5956a549f74cdfba71fc6a58e16a425cf9b5c9d4255153cb4e618e7c76a52a0317ba8a2b49bbf94538c547e7dc8f866da7
- SSDEEP 24576:75EmXFtKaL4/oFe5T9yyXYfP1MAXDzoeucTtQjpju:7PVt/LZeJbInGizoHcS1
- TLSH T17235BE0273D1C062FFAB91734F5AF6115ABC79260123AA2F13981D7AF9701B1563E7A3
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
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.
resource yara_rule behavioral2/memory/4232-0-0x0000000000C60000-0x0000000000D78000-memory.dmp autoit_exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4232 set thread context of 1816 4232 b475c6d5e806b588dee0dc1dccfd3c1acd833c31937c45839c862b059f3d1667.exe 83 - Program crash 1 IoCs
pid pid_target Process procid_target 3284 4232 WerFault.exe 81 - 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b475c6d5e806b588dee0dc1dccfd3c1acd833c31937c45839c862b059f3d1667.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1816 RegSvcs.exe 1816 RegSvcs.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4232 b475c6d5e806b588dee0dc1dccfd3c1acd833c31937c45839c862b059f3d1667.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1816 RegSvcs.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 4232 b475c6d5e806b588dee0dc1dccfd3c1acd833c31937c45839c862b059f3d1667.exe 4232 b475c6d5e806b588dee0dc1dccfd3c1acd833c31937c45839c862b059f3d1667.exe 4232 b475c6d5e806b588dee0dc1dccfd3c1acd833c31937c45839c862b059f3d1667.exe - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 4232 b475c6d5e806b588dee0dc1dccfd3c1acd833c31937c45839c862b059f3d1667.exe 4232 b475c6d5e806b588dee0dc1dccfd3c1acd833c31937c45839c862b059f3d1667.exe 4232 b475c6d5e806b588dee0dc1dccfd3c1acd833c31937c45839c862b059f3d1667.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 4232 wrote to memory of 1816 4232 b475c6d5e806b588dee0dc1dccfd3c1acd833c31937c45839c862b059f3d1667.exe 83
Processes
-
C:\Users\Admin\AppData\Local\Temp\b475c6d5e806b588dee0dc1dccfd3c1acd833c31937c45839c862b059f3d1667.exe"C:\Users\Admin\AppData\Local\Temp\b475c6d5e806b588dee0dc1dccfd3c1acd833c31937c45839c862b059f3d1667.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
PID:4232 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\b475c6d5e806b588dee0dc1dccfd3c1acd833c31937c45839c862b059f3d1667.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1816
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4232 -s 6962⤵
- Program crash
PID:3284
-
-
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4232 -ip 42321⤵PID:1448