Analysis
- max time kernel
118s - max time network
121s - platform
windows7_x64 - resource
win7-20231215-en - resource tags
- submitted
06/02/2024, 18:23
General
- Target SecuriteInfo.com.Win32.PWSX-gen.28124.27215.exe
- Size 635KB
- Sample240206-w1fqmscha2
- SHA256 53c48a7e304a44854fa0beacc7cfe3089e43f4e7bc8814856835108c459c63af
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
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Port
587
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Username
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Password
mtr83474
-
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
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.28124.27215.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.28124.27215.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\XpKsrCiuUX.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\XpKsrCiuUX" /XML "C:\Users\Admin\AppData\Local\Temp\tmp867E.tmp"2⤵
- Creates scheduled task(s)
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.28124.27215.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.28124.27215.exe"2⤵
-
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C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.28124.27215.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.28124.27215.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
tmp867E.tmp
memory/1156-0-0x00000000001D0000-0x0000000000274000-memory.dmp
memory/1156-1-0x0000000074B40000-0x000000007522E000-memory.dmp
memory/1156-2-0x00000000047C0000-0x0000000004800000-memory.dmp
memory/1156-3-0x00000000005E0000-0x00000000005F4000-memory.dmp
memory/1156-4-0x0000000000650000-0x000000000065A000-memory.dmp
memory/1156-5-0x0000000000660000-0x000000000066E000-memory.dmp
memory/1156-6-0x0000000005900000-0x0000000005984000-memory.dmp
memory/1156-27-0x0000000074B40000-0x000000007522E000-memory.dmp
memory/1724-22-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1724-29-0x0000000074B40000-0x000000007522E000-memory.dmp
memory/1724-18-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1724-15-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1724-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/1724-24-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1724-26-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1724-14-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1724-37-0x0000000004AD0000-0x0000000004B10000-memory.dmp
memory/1724-16-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1724-36-0x0000000074B40000-0x000000007522E000-memory.dmp
memory/1724-31-0x0000000004AD0000-0x0000000004B10000-memory.dmp
memory/2836-32-0x00000000023C0000-0x0000000002400000-memory.dmp
memory/2836-33-0x00000000023C0000-0x0000000002400000-memory.dmp
memory/2836-34-0x000000006EF40000-0x000000006F4EB000-memory.dmp
memory/2836-30-0x000000006EF40000-0x000000006F4EB000-memory.dmp
memory/2836-28-0x000000006EF40000-0x000000006F4EB000-memory.dmp