Analysis
- max time kernel
149s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20260130-en - resource tags
arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
05/02/2026, 15:01
Behavioral task
behavioral1
Sample
4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe
Resource
win10v2004-20260130-en
12 signatures
150 seconds
General
- Target 4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe
- Size 594KB
- Sample260205-sd558sgx5e
- SHA256 4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a
- MD5 1bbc410d44644d9e5a73882195531494
- SHA1 9bdc63bab838255f210ec6f4a90802d2ae90a4e5
- SHA512 b4b58604ca86ad594e549c4f64859a20e3b74771251bb2ffee3d508ccd93dbb51cfbc8bfcc9a1fed488321447910444ea7f7432c7a7bb19eba12875281032b4f
- SSDEEP 12288:bz7hU5I5yuNHIgzSFKxWltRohBfSTso93U5wj5/p/GMXv2NNxQevB:bf+iN57Gtene3gQ/pj+NNievB
- TLSH T10FD4229665C1A820C1546330C436CDA889383DB0AD12B76EC76DE5AFBCB13D3EA3665D
- 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 behavioral1/memory/3840-8-0x0000000000DE0000-0x0000000000F35000-memory.dmp autoit_exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3840 set thread context of 5068 3840 4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe 88 -
resource yara_rule behavioral1/memory/3840-0-0x0000000000DE0000-0x0000000000F35000-memory.dmp upx behavioral1/memory/3840-8-0x0000000000DE0000-0x0000000000F35000-memory.dmp upx - 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 4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5068 RegSvcs.exe 5068 RegSvcs.exe - Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3840 4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5068 RegSvcs.exe - Suspicious use of FindShellTrayWindow 3 IoCs
pid Process 3840 4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe 3840 4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe 3840 4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe - Suspicious use of SendNotifyMessage 3 IoCs
pid Process 3840 4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe 3840 4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe 3840 4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe - Suspicious use of WriteProcessMemory 1 IoCs
description pid Process procid_target PID 3840 wrote to memory of 5068 3840 4ce42f872a55b78f937b36fc38968788eb0db778a8a9e4cd2bef5db79c2b4f2a.exe 88
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
PID:3840 -
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
PID:5068
-