Analysis
- max time kernel
120s - max time network
121s - platform
windows7_x64 - resource
win7-20240220-en - resource tags
- submitted
04/04/2024, 11:14
General
- Target 224ff64e59a1b2bf45b02cb11df4f0556de0bbeb7929d37828de1c1bb8ff8772.exe
- Size 695KB
- Sample240404-nbzhfsdc8x
- SHA256 224ff64e59a1b2bf45b02cb11df4f0556de0bbeb7929d37828de1c1bb8ff8772
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.wasstech.com
-
Port
587
-
Username
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Password
Sunray2700@@
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 24 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\224ff64e59a1b2bf45b02cb11df4f0556de0bbeb7929d37828de1c1bb8ff8772.exe"C:\Users\Admin\AppData\Local\Temp\224ff64e59a1b2bf45b02cb11df4f0556de0bbeb7929d37828de1c1bb8ff8772.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\Local\Temp\224ff64e59a1b2bf45b02cb11df4f0556de0bbeb7929d37828de1c1bb8ff8772.exe"2⤵
- 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\CyAtYXnWr.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\CyAtYXnWr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4106.tmp"2⤵
- Creates scheduled task(s)
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
tmp4106.tmp
A4SJS7P8XL190EAHGYPO.temp
memory/2132-31-0x0000000002960000-0x00000000029A0000-memory.dmp
memory/2132-41-0x000000006EF00000-0x000000006F4AB000-memory.dmp
memory/2132-21-0x000000006EF00000-0x000000006F4AB000-memory.dmp
memory/2132-23-0x0000000002960000-0x00000000029A0000-memory.dmp
memory/2132-35-0x0000000002960000-0x00000000029A0000-memory.dmp
memory/2132-33-0x000000006EF00000-0x000000006F4AB000-memory.dmp
memory/2536-27-0x0000000002570000-0x00000000025B0000-memory.dmp
memory/2536-18-0x000000006EF00000-0x000000006F4AB000-memory.dmp
memory/2536-25-0x000000006EF00000-0x000000006F4AB000-memory.dmp
memory/2536-29-0x0000000002570000-0x00000000025B0000-memory.dmp
memory/2536-40-0x000000006EF00000-0x000000006F4AB000-memory.dmp
memory/2608-24-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2608-19-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2608-30-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2608-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2608-42-0x0000000074360000-0x0000000074A4E000-memory.dmp
memory/2608-39-0x0000000074360000-0x0000000074A4E000-memory.dmp
memory/2608-34-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2608-37-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2608-22-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2608-20-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2784-1-0x0000000074360000-0x0000000074A4E000-memory.dmp
memory/2784-38-0x0000000074360000-0x0000000074A4E000-memory.dmp
memory/2784-3-0x0000000000390000-0x00000000003A2000-memory.dmp
memory/2784-2-0x0000000004D10000-0x0000000004D50000-memory.dmp
memory/2784-0-0x00000000000F0000-0x00000000001A4000-memory.dmp
memory/2784-4-0x00000000004F0000-0x00000000004FE000-memory.dmp
memory/2784-5-0x0000000005360000-0x00000000053E2000-memory.dmp