Analysis
- max time kernel
15s - max time network
119s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
07/06/2024, 01:56
General
- Target Updated soa MAY.exe
- Size 802KB
- Sample240607-cc7pnsgh24
- SHA256 86488d9fa7887c6129854cc21e2791c2956b9e8f5b24f838bbaeedf7f49c88cd
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.naubahar.com
-
Port
587
-
Username
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Password
Hum$885+Nn
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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.
- 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- Looks up external IP address via web service 2 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 12 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Updated soa MAY.exe"C:\Users\Admin\AppData\Local\Temp\Updated soa MAY.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\Local\Temp\Updated soa MAY.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- 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\PsFWPaHuRBf.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\PsFWPaHuRBf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp851E.tmp"2⤵
- Creates scheduled task(s)
-
-
C:\Users\Admin\AppData\Local\Temp\Updated soa MAY.exe"C:\Users\Admin\AppData\Local\Temp\Updated soa MAY.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Updated soa MAY.exe.log
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_nodbsu44.ret.ps1
tmp851E.tmp
memory/2196-23-0x0000000005900000-0x0000000005966000-memory.dmp
memory/2196-52-0x0000000006540000-0x0000000006572000-memory.dmp
memory/2196-79-0x00000000074A0000-0x00000000074B1000-memory.dmp
memory/2196-78-0x0000000007520000-0x00000000075B6000-memory.dmp
memory/2196-77-0x0000000007310000-0x000000000731A000-memory.dmp
memory/2196-75-0x00000000078F0000-0x0000000007F6A000-memory.dmp
memory/2196-15-0x0000000002660000-0x0000000002696000-memory.dmp
memory/2196-17-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/2196-16-0x00000000050C0000-0x00000000056E8000-memory.dmp
memory/2196-76-0x00000000072A0000-0x00000000072BA000-memory.dmp
memory/2196-84-0x00000000075C0000-0x00000000075C8000-memory.dmp
memory/2196-22-0x0000000005760000-0x00000000057C6000-memory.dmp
memory/2196-51-0x0000000006170000-0x00000000061BC000-memory.dmp
memory/2196-18-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/2196-39-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/2196-20-0x0000000005090000-0x00000000050B2000-memory.dmp
memory/2196-53-0x00000000710B0000-0x00000000710FC000-memory.dmp
memory/2196-27-0x0000000005970000-0x0000000005CC4000-memory.dmp
memory/2196-63-0x0000000006520000-0x000000000653E000-memory.dmp
memory/2196-83-0x00000000075E0000-0x00000000075FA000-memory.dmp
memory/2196-64-0x0000000006F70000-0x0000000007013000-memory.dmp
memory/2196-50-0x0000000005F80000-0x0000000005F9E000-memory.dmp
memory/2196-91-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/3380-6-0x00000000050A0000-0x00000000050B6000-memory.dmp
memory/3380-4-0x0000000004E10000-0x0000000004E1A000-memory.dmp
memory/3380-29-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/3380-0-0x0000000074A1E000-0x0000000074A1F000-memory.dmp
memory/3380-1-0x0000000000350000-0x000000000041A000-memory.dmp
memory/3380-3-0x0000000004E60000-0x0000000004EF2000-memory.dmp
memory/3380-2-0x0000000005370000-0x0000000005914000-memory.dmp
memory/3380-5-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/3380-9-0x00000000060A0000-0x0000000006122000-memory.dmp
memory/3380-10-0x0000000006300000-0x000000000639C000-memory.dmp
memory/3380-7-0x00000000051E0000-0x00000000051EE000-memory.dmp
memory/3380-8-0x00000000051F0000-0x0000000005200000-memory.dmp
memory/3456-21-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3456-93-0x0000000006A70000-0x0000000006AC0000-memory.dmp
memory/4784-28-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/4784-85-0x00000000079D0000-0x00000000079D8000-memory.dmp
memory/4784-82-0x00000000078F0000-0x0000000007904000-memory.dmp
memory/4784-81-0x00000000078E0000-0x00000000078EE000-memory.dmp
memory/4784-65-0x00000000710B0000-0x00000000710FC000-memory.dmp
memory/4784-92-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/4784-40-0x0000000074A10000-0x00000000751C0000-memory.dmp
memory/4784-24-0x0000000074A10000-0x00000000751C0000-memory.dmp