Analysis
- max time kernel
142s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
16/02/2024, 12:24
General
- Target INVOICE_#TNT564600.exe
- Size 664KB
- Sample240216-pk3rxabc33
- SHA256 f6f49abe480eba571ce7f27566bf4e486e80c3b8a61b89f230eeab0298b436cf
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
webmail.startupsinhubs.com
-
Port
587
-
Username
-
Password
@dAt9NPXAV^*
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 3 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).
- Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
- Suspicious behavior: EnumeratesProcesses 8 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\INVOICE_#TNT564600.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE_#TNT564600.exe"1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- 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\Roaming\AzCJSjAdr.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AzCJSjAdr" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA122.tmp"2⤵
- Creates scheduled task(s)
-
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C:\Users\Admin\AppData\Local\Temp\INVOICE_#TNT564600.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE_#TNT564600.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\INVOICE_#TNT564600.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE_#TNT564600.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
__PSScriptPolicyTest_f5zi1q1f.ixw.ps1
tmpA122.tmp
memory/1452-6-0x00000000056F0000-0x0000000005702000-memory.dmp
memory/1452-3-0x0000000005470000-0x0000000005502000-memory.dmp
memory/1452-4-0x0000000005420000-0x0000000005430000-memory.dmp
memory/1452-5-0x0000000005450000-0x000000000545A000-memory.dmp
memory/1452-2-0x0000000005A20000-0x0000000005FC4000-memory.dmp
memory/1452-7-0x0000000005710000-0x0000000005722000-memory.dmp
memory/1452-8-0x0000000008060000-0x00000000080E4000-memory.dmp
memory/1452-9-0x000000000A720000-0x000000000A7BC000-memory.dmp
memory/1452-26-0x0000000074800000-0x0000000074FB0000-memory.dmp
memory/1452-0-0x00000000009E0000-0x0000000000A8C000-memory.dmp
memory/1452-22-0x0000000074800000-0x0000000074FB0000-memory.dmp
memory/1452-1-0x0000000074800000-0x0000000074FB0000-memory.dmp
memory/2016-69-0x00000000052C0000-0x00000000052D0000-memory.dmp
memory/2016-19-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2016-57-0x0000000006C70000-0x0000000006CC0000-memory.dmp
memory/2016-68-0x0000000074800000-0x0000000074FB0000-memory.dmp
memory/2016-23-0x0000000074800000-0x0000000074FB0000-memory.dmp
memory/2016-24-0x0000000005580000-0x00000000055E6000-memory.dmp
memory/2016-25-0x00000000052C0000-0x00000000052D0000-memory.dmp
memory/2112-27-0x00000000058C0000-0x00000000058E2000-memory.dmp
memory/2112-56-0x0000000007AB0000-0x0000000007ACA000-memory.dmp
memory/2112-30-0x00000000060E0000-0x0000000006146000-memory.dmp
memory/2112-18-0x0000000005470000-0x0000000005480000-memory.dmp
memory/2112-38-0x00000000062C0000-0x0000000006614000-memory.dmp
memory/2112-39-0x00000000067A0000-0x00000000067BE000-memory.dmp
memory/2112-40-0x0000000006850000-0x000000000689C000-memory.dmp
memory/2112-41-0x0000000005470000-0x0000000005480000-memory.dmp
memory/2112-42-0x0000000006D70000-0x0000000006DA2000-memory.dmp
memory/2112-43-0x0000000070520000-0x000000007056C000-memory.dmp
memory/2112-53-0x0000000006D50000-0x0000000006D6E000-memory.dmp
memory/2112-54-0x0000000007980000-0x0000000007A23000-memory.dmp
memory/2112-55-0x00000000080F0000-0x000000000876A000-memory.dmp
memory/2112-20-0x0000000005AB0000-0x00000000060D8000-memory.dmp
memory/2112-17-0x0000000005470000-0x0000000005480000-memory.dmp
memory/2112-58-0x0000000007B20000-0x0000000007B2A000-memory.dmp
memory/2112-59-0x0000000007D30000-0x0000000007DC6000-memory.dmp
memory/2112-60-0x0000000007CB0000-0x0000000007CC1000-memory.dmp
memory/2112-61-0x0000000007D00000-0x0000000007D0E000-memory.dmp
memory/2112-62-0x0000000007DD0000-0x0000000007DE4000-memory.dmp
memory/2112-63-0x0000000007E10000-0x0000000007E2A000-memory.dmp
memory/2112-64-0x0000000007DF0000-0x0000000007DF8000-memory.dmp
memory/2112-67-0x0000000074800000-0x0000000074FB0000-memory.dmp
memory/2112-16-0x0000000074800000-0x0000000074FB0000-memory.dmp
memory/2112-14-0x0000000002EB0000-0x0000000002EE6000-memory.dmp