Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20260130-en - resource tags
- submitted
05/02/2026, 15:08
General
- Target 41fd49ca52f66d1ed07fe95fc4ffd2555b085c3d5490f9baee74887af9438d99.exe
- Size 1016KB
- Sample260205-sh684ahs2f
- SHA256 41fd49ca52f66d1ed07fe95fc4ffd2555b085c3d5490f9baee74887af9438d99
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.cottondreams.org
-
Port
587
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Username
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Password
Paydaysoon2025
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- Drops startup file 1 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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.
- SmartAssembly .NET packer 1 IoCs
Detects SmartAssembly .NET packer.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\41fd49ca52f66d1ed07fe95fc4ffd2555b085c3d5490f9baee74887af9438d99.exe"C:\Users\Admin\AppData\Local\Temp\41fd49ca52f66d1ed07fe95fc4ffd2555b085c3d5490f9baee74887af9438d99.exe"1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\41fd49ca52f66d1ed07fe95fc4ffd2555b085c3d5490f9baee74887af9438d99.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Users\Admin\AppData\Local\Temp\41fd49ca52f66d1ed07fe95fc4ffd2555b085c3d5490f9baee74887af9438d99.exe"C:\Users\Admin\AppData\Local\Temp\41fd49ca52f66d1ed07fe95fc4ffd2555b085c3d5490f9baee74887af9438d99.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\41fd49ca52f66d1ed07fe95fc4ffd2555b085c3d5490f9baee74887af9438d99.exe"C:\Users\Admin\AppData\Local\Temp\41fd49ca52f66d1ed07fe95fc4ffd2555b085c3d5490f9baee74887af9438d99.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exeC:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
41fd49ca52f66d1ed07fe95fc4ffd2555b085c3d5490f9baee74887af9438d99.exe.log
__PSScriptPolicyTest_jg5minlq.ykj.ps1
memory/1172-38-0x0000023868E40000-0x0000023868E62000-memory.dmp
memory/1172-40-0x000002386BAE0000-0x000002386BB26000-memory.dmp
memory/2656-63-0x0000000005970000-0x0000000005980000-memory.dmp
memory/2656-21-0x0000000005980000-0x00000000059E6000-memory.dmp
memory/2656-56-0x0000000006650000-0x00000000066A0000-memory.dmp
memory/2656-16-0x0000000000400000-0x0000000000440000-memory.dmp
memory/5192-4-0x00000000056F0000-0x00000000056FA000-memory.dmp
memory/5192-9-0x00000000076F0000-0x00000000077C0000-memory.dmp
memory/5192-8-0x0000000005920000-0x0000000005930000-memory.dmp
memory/5192-7-0x00000000059A0000-0x00000000059AE000-memory.dmp
memory/5192-6-0x0000000007600000-0x00000000076EA000-memory.dmp
memory/5192-5-0x00000000059D0000-0x0000000005A6C000-memory.dmp
memory/5192-3-0x0000000005920000-0x0000000005930000-memory.dmp
memory/5192-2-0x0000000005700000-0x0000000005792000-memory.dmp
memory/5192-1-0x0000000005C10000-0x00000000061B6000-memory.dmp
memory/5192-0-0x0000000000C50000-0x0000000000D54000-memory.dmp
memory/5372-30-0x00000000065A0000-0x00000000068F7000-memory.dmp
memory/5372-52-0x0000000007090000-0x00000000070AA000-memory.dmp
memory/5372-22-0x0000000005AE0000-0x0000000005B02000-memory.dmp
memory/5372-32-0x00000000069F0000-0x0000000006A3C000-memory.dmp
memory/5372-31-0x00000000069C0000-0x00000000069DE000-memory.dmp
memory/5372-20-0x0000000005B60000-0x000000000618A000-memory.dmp
memory/5372-17-0x0000000003100000-0x0000000003110000-memory.dmp
memory/5372-41-0x0000000006F70000-0x0000000006FA4000-memory.dmp
memory/5372-42-0x00000000711C0000-0x000000007120C000-memory.dmp
memory/5372-49-0x0000000006FB0000-0x0000000006FCE000-memory.dmp
memory/5372-50-0x0000000007C70000-0x0000000007D14000-memory.dmp
memory/5372-28-0x0000000006300000-0x0000000006366000-memory.dmp
memory/5372-51-0x00000000083A0000-0x0000000008A1A000-memory.dmp
memory/5372-53-0x0000000007D50000-0x0000000007D5A000-memory.dmp
memory/5372-54-0x0000000007F60000-0x0000000007FF6000-memory.dmp
memory/5372-55-0x0000000007EE0000-0x0000000007EF1000-memory.dmp
memory/5372-15-0x00000000054F0000-0x0000000005526000-memory.dmp
memory/5372-57-0x0000000007F10000-0x0000000007F1E000-memory.dmp
memory/5372-58-0x0000000007F20000-0x0000000007F35000-memory.dmp
memory/5372-59-0x0000000008020000-0x000000000803A000-memory.dmp
memory/5372-60-0x0000000008010000-0x0000000008018000-memory.dmp
memory/5372-14-0x0000000003100000-0x0000000003110000-memory.dmp