Analysis
- max time kernel
24s - max time network
103s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
10/06/2024, 01:56
General
- Target Shipping documents.exe
- Size 684KB
- Sample240610-cc3eysba64
- SHA256 8fbf89ff9f1c63329f5251feed90590b8f3bd725e469b5afd25be717f3cb2ca9
Malware Config
Extracted
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agenttesla
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Protocol
smtp
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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 15 IoCs
- Suspicious use of AdjustPrivilegeToken 4 IoCs
- Suspicious use of WriteProcessMemory 20 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\gYctFdAIXtTSr.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\gYctFdAIXtTSr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp8750.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⤵
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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_5qescuto.c5t.ps1
tmp8750.tmp
memory/1764-93-0x0000000005D40000-0x0000000005D90000-memory.dmp
memory/1764-46-0x0000000000400000-0x0000000000442000-memory.dmp
memory/1984-5-0x0000000002AB0000-0x0000000002ABA000-memory.dmp
memory/1984-3-0x0000000002A10000-0x0000000002AA2000-memory.dmp
memory/1984-0-0x000000007515E000-0x000000007515F000-memory.dmp
memory/1984-6-0x0000000005490000-0x00000000054A6000-memory.dmp
memory/1984-8-0x00000000067F0000-0x0000000006800000-memory.dmp
memory/1984-7-0x00000000054B0000-0x00000000054BE000-memory.dmp
memory/1984-10-0x0000000008F20000-0x0000000008FBC000-memory.dmp
memory/1984-9-0x0000000006850000-0x00000000068D2000-memory.dmp
memory/1984-15-0x000000007515E000-0x000000007515F000-memory.dmp
memory/1984-50-0x0000000075150000-0x0000000075900000-memory.dmp
memory/1984-47-0x0000000075150000-0x0000000075900000-memory.dmp
memory/1984-1-0x00000000003F0000-0x000000000049E000-memory.dmp
memory/1984-2-0x00000000054C0000-0x0000000005A64000-memory.dmp
memory/1984-4-0x0000000075150000-0x0000000075900000-memory.dmp
memory/3812-25-0x0000000005A80000-0x0000000005DD4000-memory.dmp
memory/3812-80-0x0000000007600000-0x0000000007611000-memory.dmp
memory/3812-91-0x0000000075150000-0x0000000075900000-memory.dmp
memory/3812-16-0x00000000027D0000-0x0000000002806000-memory.dmp
memory/3812-77-0x0000000007A40000-0x00000000080BA000-memory.dmp
memory/3812-84-0x0000000007740000-0x000000000775A000-memory.dmp
memory/3812-85-0x0000000007720000-0x0000000007728000-memory.dmp
memory/3812-49-0x0000000075150000-0x0000000075900000-memory.dmp
memory/3812-18-0x0000000075150000-0x0000000075900000-memory.dmp
memory/3812-19-0x0000000075150000-0x0000000075900000-memory.dmp
memory/3812-17-0x0000000005250000-0x0000000005878000-memory.dmp
memory/3812-81-0x0000000007630000-0x000000000763E000-memory.dmp
memory/3812-23-0x00000000059D0000-0x0000000005A36000-memory.dmp
memory/3812-55-0x00000000759B0000-0x00000000759FC000-memory.dmp
memory/4508-52-0x0000000006630000-0x000000000667C000-memory.dmp
memory/4508-78-0x00000000073D0000-0x00000000073DA000-memory.dmp
memory/4508-76-0x0000000007360000-0x000000000737A000-memory.dmp
memory/4508-79-0x00000000075E0000-0x0000000007676000-memory.dmp
memory/4508-73-0x00000000065A0000-0x00000000065BE000-memory.dmp
memory/4508-54-0x00000000759B0000-0x00000000759FC000-memory.dmp
memory/4508-53-0x0000000007010000-0x0000000007042000-memory.dmp
memory/4508-75-0x0000000007050000-0x00000000070F3000-memory.dmp
memory/4508-83-0x00000000075A0000-0x00000000075B4000-memory.dmp
memory/4508-22-0x0000000005100000-0x0000000005166000-memory.dmp
memory/4508-45-0x0000000075150000-0x0000000075900000-memory.dmp
memory/4508-92-0x0000000075150000-0x0000000075900000-memory.dmp
memory/4508-51-0x0000000006030000-0x000000000604E000-memory.dmp
memory/4508-35-0x0000000075150000-0x0000000075900000-memory.dmp
memory/4508-24-0x0000000075150000-0x0000000075900000-memory.dmp
memory/4508-21-0x0000000004F60000-0x0000000004F82000-memory.dmp