Analysis
- max time kernel
117s - max time network
120s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
06/02/2024, 11:27
General
- Target SecuriteInfo.com.Win32.PWSX-gen.17533.13867.exe
- Size 905KB
- Sample240206-nkeveaehd4
- SHA256 539fcce4d58770b81cc10d650f7ef810d9e933ec5901cd051f110d574b2c6868
Malware Config
Extracted
-
agenttesla
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Protocol
smtp
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Host
us2.smtp.mailhostbox.com
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Port
587
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Username
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Password
mtr83474
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 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).
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of WriteProcessMemory 21 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.17533.13867.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.17533.13867.exe"1⤵
- 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\CvXkNxjmG.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\CvXkNxjmG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9B27.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.17533.13867.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.17533.13867.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.17533.13867.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.17533.13867.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
tmp9B27.tmp
memory/2060-26-0x0000000074240000-0x000000007492E000-memory.dmp
memory/2060-1-0x0000000074240000-0x000000007492E000-memory.dmp
memory/2060-2-0x0000000004DD0000-0x0000000004E10000-memory.dmp
memory/2060-3-0x0000000000320000-0x0000000000334000-memory.dmp
memory/2060-4-0x0000000000700000-0x000000000070A000-memory.dmp
memory/2060-5-0x0000000000710000-0x000000000071E000-memory.dmp
memory/2060-6-0x0000000005010000-0x0000000005094000-memory.dmp
memory/2060-0-0x0000000000DB0000-0x0000000000E98000-memory.dmp
memory/2764-29-0x000000006E660000-0x000000006EC0B000-memory.dmp
memory/2764-28-0x000000006E660000-0x000000006EC0B000-memory.dmp
memory/2764-34-0x000000006E660000-0x000000006EC0B000-memory.dmp
memory/2764-32-0x0000000002670000-0x00000000026B0000-memory.dmp
memory/2764-33-0x0000000002670000-0x00000000026B0000-memory.dmp
memory/2764-30-0x0000000002670000-0x00000000026B0000-memory.dmp
memory/2780-24-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2780-14-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2780-27-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2780-12-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2780-16-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2780-31-0x0000000074240000-0x000000007492E000-memory.dmp
memory/2780-22-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2780-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2780-15-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2780-36-0x0000000074240000-0x000000007492E000-memory.dmp
memory/2780-37-0x0000000002410000-0x0000000002450000-memory.dmp