Analysis
- max time kernel
48s - max time network
57s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
24/09/2024, 11:56
General
- Target Ningbo - Past Due Invoices.scr.exe
- Size 657KB
- Sample240924-n32rwstepl
- SHA256 d71f85d32dd19dd5a0c5ad3b97c3eba3277a5966035970a2c9ea7dd8e23fafa3
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.iaa-airferight.com
-
Port
587
-
Username
-
Password
BIGNAIRA2024
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Ningbo - Past Due Invoices.scr.exe"C:\Users\Admin\AppData\Local\Temp\Ningbo - Past Due Invoices.scr.exe"1⤵
- Checks computer location settings
- 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\Ningbo - Past Due Invoices.scr.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:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\jzARpPDhrks.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:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\jzARpPDhrks" /XML "C:\Users\Admin\AppData\Local\Temp\tmpDB9B.tmp"2⤵
- System Location Discovery: System Language Discovery
- Scheduled Task/Job: Scheduled Task
-
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_1ce1fsnm.wx2.ps1
tmpDB9B.tmp
memory/1020-73-0x00000000080A0000-0x000000000871A000-memory.dmp
memory/1020-49-0x0000000006740000-0x000000000678C000-memory.dmp
memory/1020-87-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/1020-81-0x0000000007D70000-0x0000000007D78000-memory.dmp
memory/1020-80-0x0000000007D90000-0x0000000007DAA000-memory.dmp
memory/1020-79-0x0000000007C90000-0x0000000007CA4000-memory.dmp
memory/1020-78-0x0000000007C80000-0x0000000007C8E000-memory.dmp
memory/1020-15-0x0000000002DF0000-0x0000000002E26000-memory.dmp
memory/1020-16-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/1020-17-0x00000000059A0000-0x0000000005FC8000-memory.dmp
memory/1020-77-0x0000000007C50000-0x0000000007C61000-memory.dmp
memory/1020-19-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/1020-76-0x0000000007CD0000-0x0000000007D66000-memory.dmp
memory/1020-75-0x0000000007AC0000-0x0000000007ACA000-memory.dmp
memory/1020-23-0x0000000005870000-0x0000000005892000-memory.dmp
memory/1020-74-0x0000000007A50000-0x0000000007A6A000-memory.dmp
memory/1020-32-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/1020-24-0x0000000005FD0000-0x0000000006036000-memory.dmp
memory/1020-50-0x00000000078F0000-0x0000000007922000-memory.dmp
memory/1020-51-0x0000000075130000-0x000000007517C000-memory.dmp
memory/1020-61-0x0000000006D00000-0x0000000006D1E000-memory.dmp
memory/1020-27-0x0000000006040000-0x00000000060A6000-memory.dmp
memory/1020-33-0x00000000061F0000-0x0000000006544000-memory.dmp
memory/1020-48-0x0000000006710000-0x000000000672E000-memory.dmp
memory/1020-63-0x0000000007930000-0x00000000079D3000-memory.dmp
memory/1064-21-0x0000000000400000-0x0000000000440000-memory.dmp
memory/1064-89-0x0000000006670000-0x00000000066C0000-memory.dmp
memory/1924-10-0x0000000009F10000-0x0000000009FAC000-memory.dmp
memory/1924-7-0x00000000748DE000-0x00000000748DF000-memory.dmp
memory/1924-0-0x00000000748DE000-0x00000000748DF000-memory.dmp
memory/1924-3-0x0000000005440000-0x00000000054D2000-memory.dmp
memory/1924-4-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/1924-5-0x0000000005520000-0x000000000552A000-memory.dmp
memory/1924-6-0x00000000074C0000-0x00000000074D2000-memory.dmp
memory/1924-1-0x00000000009A0000-0x0000000000A4A000-memory.dmp
memory/1924-9-0x0000000007810000-0x0000000007892000-memory.dmp
memory/1924-8-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/1924-37-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/1924-2-0x0000000005AB0000-0x0000000006054000-memory.dmp
memory/2136-38-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/2136-20-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/2136-88-0x00000000748D0000-0x0000000075080000-memory.dmp
memory/2136-62-0x0000000075130000-0x000000007517C000-memory.dmp