Analysis
- max time kernel
148s - max time network
124s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
08/05/2024, 09:05
General
- Target ET2431000075 & ET2431000076.exe
- Size 763KB
- Sample240508-k16raafd44
- SHA256 09f202dbceb944c631fc597c7b929d3885d3a44faa9d0f8d332d13d593a9ca84
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.magnaprocessing.com
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Port
587
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Username
-
Password
Hookit6278
Extracted
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agenttesla
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Protocol
smtp
-
Host
mail.magnaprocessing.com
-
Port
587
-
Username
-
Password
Hookit6278
-
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 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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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
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C:\Users\Admin\AppData\Local\Temp\ET2431000075 & ET2431000076.exe"C:\Users\Admin\AppData\Local\Temp\ET2431000075 & ET2431000076.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\ET2431000075 & ET2431000076.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- 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\mkfkrlJJ.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\mkfkrlJJ" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6801.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\ET2431000075 & ET2431000076.exe"C:\Users\Admin\AppData\Local\Temp\ET2431000075 & ET2431000076.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_kdbhk15n.vdl.ps1
tmp6801.tmp
memory/1128-79-0x0000000006B70000-0x0000000006BC0000-memory.dmp
memory/1128-28-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2072-22-0x00000000061B0000-0x0000000006216000-memory.dmp
memory/2072-21-0x0000000006010000-0x0000000006032000-memory.dmp
memory/2072-25-0x0000000006290000-0x00000000065E4000-memory.dmp
memory/2072-49-0x0000000006E20000-0x0000000006E6C000-memory.dmp
memory/2072-14-0x0000000002FC0000-0x0000000002FF6000-memory.dmp
memory/2072-15-0x00000000749D0000-0x0000000075180000-memory.dmp
memory/2072-16-0x00000000059E0000-0x0000000006008000-memory.dmp
memory/2072-17-0x00000000749D0000-0x0000000075180000-memory.dmp
memory/2072-18-0x00000000749D0000-0x0000000075180000-memory.dmp
memory/2072-48-0x0000000006880000-0x000000000689E000-memory.dmp
memory/2072-52-0x00000000749D0000-0x0000000075180000-memory.dmp
memory/2072-23-0x0000000006220000-0x0000000006286000-memory.dmp
memory/2428-66-0x00000000081B0000-0x000000000882A000-memory.dmp
memory/2428-70-0x0000000007D60000-0x0000000007D71000-memory.dmp
memory/2428-78-0x00000000749D0000-0x0000000075180000-memory.dmp
memory/2428-46-0x00000000749D0000-0x0000000075180000-memory.dmp
memory/2428-74-0x0000000007E80000-0x0000000007E88000-memory.dmp
memory/2428-24-0x00000000749D0000-0x0000000075180000-memory.dmp
memory/2428-73-0x0000000007EA0000-0x0000000007EBA000-memory.dmp
memory/2428-72-0x0000000007DA0000-0x0000000007DB4000-memory.dmp
memory/2428-71-0x0000000007D90000-0x0000000007D9E000-memory.dmp
memory/2428-20-0x00000000749D0000-0x0000000075180000-memory.dmp
memory/2428-69-0x0000000007DE0000-0x0000000007E76000-memory.dmp
memory/2428-54-0x0000000075230000-0x000000007527C000-memory.dmp
memory/2428-64-0x0000000007A10000-0x0000000007A2E000-memory.dmp
memory/2428-53-0x00000000079D0000-0x0000000007A02000-memory.dmp
memory/2428-65-0x0000000007A30000-0x0000000007AD3000-memory.dmp
memory/2428-68-0x0000000007BD0000-0x0000000007BDA000-memory.dmp
memory/2428-67-0x0000000007B60000-0x0000000007B7A000-memory.dmp
memory/2960-0-0x00000000749DE000-0x00000000749DF000-memory.dmp
memory/2960-4-0x0000000005890000-0x000000000589A000-memory.dmp
memory/2960-5-0x00000000749D0000-0x0000000075180000-memory.dmp
memory/2960-6-0x0000000005BF0000-0x0000000005C06000-memory.dmp
memory/2960-7-0x0000000005DB0000-0x0000000005DC6000-memory.dmp
memory/2960-8-0x0000000006EE0000-0x0000000006F62000-memory.dmp
memory/2960-47-0x00000000749D0000-0x0000000075180000-memory.dmp
memory/2960-3-0x00000000058B0000-0x0000000005942000-memory.dmp
memory/2960-2-0x0000000005DC0000-0x0000000006364000-memory.dmp
memory/2960-9-0x0000000009520000-0x00000000095BC000-memory.dmp
memory/2960-1-0x0000000000DC0000-0x0000000000E86000-memory.dmp