Analysis
- max time kernel
106s - max time network
109s - platform
windows11-21h2_x64 - resource
win11-20250410-en - resource tags
- submitted
30/04/2025, 04:45
General
- Target TNT AWB #8013580.exe
- Size 705KB
- Sample250430-fdextswvbz
- SHA256 db21a85e8ccccbc75bf1aba64addb02897493d199cfe2ee19c67faa8c51bf9c7
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.fosna.net
-
Port
21
-
Username
-
Password
(=8fPSH$KO_!
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- 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.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- 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 5 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\TNT AWB #8013580.exe"C:\Users\Admin\AppData\Local\Temp\TNT AWB #8013580.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
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\TNT AWB #8013580.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\fZECwakrXUwVfj.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fZECwakrXUwVfj" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB41D.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
-
C:\Users\Admin\AppData\Local\Temp\TNT AWB #8013580.exe"C:\Users\Admin\AppData\Local\Temp\TNT AWB #8013580.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
TNT AWB #8013580.exe.log
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_awm2k0u4.fr4.ps1
tmpB41D.tmp
memory/1364-8-0x0000000074D1E000-0x0000000074D1F000-memory.dmp
memory/1364-5-0x0000000074D10000-0x00000000754C1000-memory.dmp
memory/1364-7-0x00000000054D0000-0x00000000054E8000-memory.dmp
memory/1364-4-0x0000000005080000-0x000000000508A000-memory.dmp
memory/1364-9-0x0000000074D10000-0x00000000754C1000-memory.dmp
memory/1364-10-0x0000000006D10000-0x0000000006D96000-memory.dmp
memory/1364-6-0x0000000005310000-0x00000000053AC000-memory.dmp
memory/1364-0-0x0000000074D1E000-0x0000000074D1F000-memory.dmp
memory/1364-3-0x00000000050E0000-0x0000000005172000-memory.dmp
memory/1364-46-0x0000000074D10000-0x00000000754C1000-memory.dmp
memory/1364-2-0x00000000055F0000-0x0000000005B96000-memory.dmp
memory/1364-1-0x0000000000500000-0x00000000005B6000-memory.dmp
memory/2748-16-0x0000000074D10000-0x00000000754C1000-memory.dmp
memory/2748-75-0x0000000007AB0000-0x0000000007ABE000-memory.dmp
memory/2748-19-0x0000000074D10000-0x00000000754C1000-memory.dmp
memory/2748-23-0x0000000005670000-0x0000000005692000-memory.dmp
memory/2748-32-0x0000000005F40000-0x0000000005FA6000-memory.dmp
memory/2748-33-0x0000000006130000-0x0000000006196000-memory.dmp
memory/2748-15-0x00000000050B0000-0x00000000050E6000-memory.dmp
memory/2748-86-0x0000000074D10000-0x00000000754C1000-memory.dmp
memory/2748-37-0x00000000061A0000-0x00000000064F7000-memory.dmp
memory/2748-18-0x0000000074D10000-0x00000000754C1000-memory.dmp
memory/2748-17-0x0000000005720000-0x0000000005D4A000-memory.dmp
memory/2748-77-0x0000000007BC0000-0x0000000007BDA000-memory.dmp
memory/2748-61-0x00000000712A0000-0x00000000712EC000-memory.dmp
memory/4784-79-0x0000000006DC0000-0x0000000006E10000-memory.dmp
memory/4784-34-0x0000000000400000-0x0000000000442000-memory.dmp
memory/5872-74-0x0000000007620000-0x0000000007631000-memory.dmp
memory/5872-22-0x0000000074D10000-0x00000000754C1000-memory.dmp
memory/5872-71-0x0000000007410000-0x000000000742A000-memory.dmp
memory/5872-70-0x0000000007A50000-0x00000000080CA000-memory.dmp
memory/5872-72-0x0000000007490000-0x000000000749A000-memory.dmp
memory/5872-73-0x00000000076A0000-0x0000000007736000-memory.dmp
memory/5872-59-0x00000000072A0000-0x00000000072BE000-memory.dmp
memory/5872-50-0x00000000712A0000-0x00000000712EC000-memory.dmp
memory/5872-76-0x0000000007660000-0x0000000007675000-memory.dmp
memory/5872-47-0x00000000060D0000-0x00000000060EE000-memory.dmp
memory/5872-78-0x0000000007750000-0x0000000007758000-memory.dmp
memory/5872-60-0x00000000072D0000-0x0000000007374000-memory.dmp
memory/5872-48-0x0000000006160000-0x00000000061AC000-memory.dmp
memory/5872-20-0x0000000074D10000-0x00000000754C1000-memory.dmp
memory/5872-85-0x0000000074D10000-0x00000000754C1000-memory.dmp
memory/5872-49-0x0000000007240000-0x0000000007274000-memory.dmp