Analysis
- max time kernel
149s - max time network
95s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows - submitted
30/04/2026, 16:14
Static task
static1
Behavioral task
behavioral1
Sample
_1bcef2581d32b1f631a27a54de845474df714af8ed35729333bc0e0ebd02607d.exe
Resource
win10v2004-20260130-en
General
- Target _1bcef2581d32b1f631a27a54de845474df714af8ed35729333bc0e0ebd02607d.exe
- Size 905KB
- Sample260430-tpvdjsfx2y
- SHA256 1bcef2581d32b1f631a27a54de845474df714af8ed35729333bc0e0ebd02607d
- MD5 040d73b66b2daef1ab6d3582dcef551b
- SHA1 ce60a8cf096cf96983d0e14003ff0249d7c8ab5f
- SHA512 6166505566516f11ca072439c02075cee4331253b01e1d5817ef434d183fa844b44bb7f22cf064e16133b38e52fa15bf8de68442bd95125d4d088b2676cdcfb9
- SSDEEP 24576:aqFWfwppQ4uZoQGE+JiCkHEQCvoGFfY/:AIppQ/ZZYkHOvvFf
- TLSH T1CB15DFB18F631F20C73C0778C82BA08D67F49927E356DA8F6EF841E45A52764E6136D2
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
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agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.hngandpartners.com
-
Port
21
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Username
-
Password
Yj!iTyIh&KDycpM8
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- .NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
resource yara_rule behavioral2/memory/2680-5-0x0000000005350000-0x0000000005382000-memory.dmp net_reactor - Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2680 set thread context of 3696 2680 _1bcef2581d32b1f631a27a54de845474df714af8ed35729333bc0e0ebd02607d.exe 80 - 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 _1bcef2581d32b1f631a27a54de845474df714af8ed35729333bc0e0ebd02607d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 2680 _1bcef2581d32b1f631a27a54de845474df714af8ed35729333bc0e0ebd02607d.exe 2680 _1bcef2581d32b1f631a27a54de845474df714af8ed35729333bc0e0ebd02607d.exe 3696 RegAsm.exe 3696 RegAsm.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2680 _1bcef2581d32b1f631a27a54de845474df714af8ed35729333bc0e0ebd02607d.exe Token: SeDebugPrivilege 3696 RegAsm.exe - Suspicious use of WriteProcessMemory 5 IoCs
description pid Process procid_target PID 2680 wrote to memory of 3696 2680 _1bcef2581d32b1f631a27a54de845474df714af8ed35729333bc0e0ebd02607d.exe 80 PID 2680 wrote to memory of 3696 2680 _1bcef2581d32b1f631a27a54de845474df714af8ed35729333bc0e0ebd02607d.exe 80 PID 2680 wrote to memory of 3696 2680 _1bcef2581d32b1f631a27a54de845474df714af8ed35729333bc0e0ebd02607d.exe 80 PID 2680 wrote to memory of 3696 2680 _1bcef2581d32b1f631a27a54de845474df714af8ed35729333bc0e0ebd02607d.exe 80 PID 2680 wrote to memory of 3696 2680 _1bcef2581d32b1f631a27a54de845474df714af8ed35729333bc0e0ebd02607d.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\_1bcef2581d32b1f631a27a54de845474df714af8ed35729333bc0e0ebd02607d.exe"C:\Users\Admin\AppData\Local\Temp\_1bcef2581d32b1f631a27a54de845474df714af8ed35729333bc0e0ebd02607d.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2680 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3696
-