Analysis
- max time kernel
91s - max time network
139s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
01/06/2024, 01:43
General
- Target shipping documents.exe
- Size 696KB
- Sample240601-b5qq7add7v
- SHA256 4a79dca8bc76dd26f46d047a2a1f559208c5a3525b10b5b62d0c1a7ceb80a5a7
Malware Config
Extracted
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agenttesla
-
Protocol
smtp
-
Host
mail.springandsummer.lk
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Port
587
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Username
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Password
anu##323
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Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
- 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.
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 13 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 17 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\shipping documents.exe"C:\Users\Admin\AppData\Local\Temp\shipping documents.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\shipping documents.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\emYPqaTbpSKtc.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\emYPqaTbpSKtc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBCD8.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⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
powershell.exe.log
StartupProfileData-NonInteractive
__PSScriptPolicyTest_ue3xrpws.irt.ps1
tmpBCD8.tmp
memory/2104-4-0x0000000075090000-0x0000000075840000-memory.dmp
memory/2104-0-0x000000007509E000-0x000000007509F000-memory.dmp
memory/2104-6-0x0000000005170000-0x000000000520C000-memory.dmp
memory/2104-7-0x0000000005310000-0x0000000005328000-memory.dmp
memory/2104-8-0x0000000005330000-0x0000000005340000-memory.dmp
memory/2104-9-0x0000000007950000-0x00000000079D4000-memory.dmp
memory/2104-14-0x000000007509E000-0x000000007509F000-memory.dmp
memory/2104-5-0x0000000004EF0000-0x0000000004EFA000-memory.dmp
memory/2104-1-0x00000000003E0000-0x0000000000490000-memory.dmp
memory/2104-3-0x0000000004E40000-0x0000000004ED2000-memory.dmp
memory/2104-36-0x0000000075090000-0x0000000075840000-memory.dmp
memory/2104-2-0x0000000005350000-0x00000000058F4000-memory.dmp
memory/2412-83-0x0000000005F30000-0x0000000005F80000-memory.dmp
memory/2412-24-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3232-15-0x0000000002FE0000-0x0000000003016000-memory.dmp
memory/3232-75-0x0000000007C00000-0x0000000007C1A000-memory.dmp
memory/3232-23-0x00000000062C0000-0x0000000006326000-memory.dmp
memory/3232-25-0x0000000006330000-0x0000000006684000-memory.dmp
memory/3232-20-0x0000000005940000-0x0000000005962000-memory.dmp
memory/3232-37-0x0000000075090000-0x0000000075840000-memory.dmp
memory/3232-17-0x0000000005AA0000-0x00000000060C8000-memory.dmp
memory/3232-16-0x0000000075090000-0x0000000075840000-memory.dmp
memory/3232-48-0x00000000068E0000-0x00000000068FE000-memory.dmp
memory/3232-49-0x0000000006970000-0x00000000069BC000-memory.dmp
memory/3232-50-0x0000000006EA0000-0x0000000006ED2000-memory.dmp
memory/3232-90-0x0000000075090000-0x0000000075840000-memory.dmp
memory/3232-19-0x0000000075090000-0x0000000075840000-memory.dmp
memory/3232-72-0x00000000078C0000-0x0000000007963000-memory.dmp
memory/3232-51-0x0000000071760000-0x00000000717AC000-memory.dmp
memory/3232-22-0x00000000059E0000-0x0000000005A46000-memory.dmp
memory/3232-74-0x0000000008250000-0x00000000088CA000-memory.dmp
memory/3232-76-0x0000000007C70000-0x0000000007C7A000-memory.dmp
memory/3232-77-0x0000000007E80000-0x0000000007F16000-memory.dmp
memory/3232-78-0x0000000007E00000-0x0000000007E11000-memory.dmp
memory/3232-82-0x0000000007F20000-0x0000000007F28000-memory.dmp
memory/3232-81-0x0000000007F40000-0x0000000007F5A000-memory.dmp
memory/4744-80-0x0000000007520000-0x0000000007534000-memory.dmp
memory/4744-79-0x0000000007510000-0x000000000751E000-memory.dmp
memory/4744-71-0x0000000006550000-0x000000000656E000-memory.dmp
memory/4744-86-0x0000000075090000-0x0000000075840000-memory.dmp
memory/4744-52-0x0000000071760000-0x00000000717AC000-memory.dmp
memory/4744-38-0x0000000075090000-0x0000000075840000-memory.dmp
memory/4744-21-0x0000000075090000-0x0000000075840000-memory.dmp