Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
07/06/2024, 02:03
General
- Target 944a3229675898ad129e45ef15c62612b23e0fc99b57edd853a81418adbe4431.exe
- Size 719KB
- Sample240607-cgpdwsfg8z
- SHA256 944a3229675898ad129e45ef15c62612b23e0fc99b57edd853a81418adbe4431
Malware Config
Extracted
-
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\944a3229675898ad129e45ef15c62612b23e0fc99b57edd853a81418adbe4431.exe"C:\Users\Admin\AppData\Local\Temp\944a3229675898ad129e45ef15c62612b23e0fc99b57edd853a81418adbe4431.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\944a3229675898ad129e45ef15c62612b23e0fc99b57edd853a81418adbe4431.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\AQkWWJw.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\AQkWWJw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C6F.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
__PSScriptPolicyTest_j42mjgih.emd.ps1
tmp9C6F.tmp
memory/364-78-0x0000000006FD0000-0x0000000006FDA000-memory.dmp
memory/364-84-0x00000000072A0000-0x00000000072BA000-memory.dmp
memory/364-80-0x0000000007160000-0x0000000007171000-memory.dmp
memory/364-90-0x0000000074950000-0x0000000075100000-memory.dmp
memory/364-77-0x0000000006F60000-0x0000000006F7A000-memory.dmp
memory/364-64-0x0000000071020000-0x000000007106C000-memory.dmp
memory/364-52-0x0000000005CE0000-0x0000000005D2C000-memory.dmp
memory/364-49-0x0000000074950000-0x0000000075100000-memory.dmp
memory/364-47-0x0000000074950000-0x0000000075100000-memory.dmp
memory/364-30-0x0000000074950000-0x0000000075100000-memory.dmp
memory/744-36-0x0000000000400000-0x0000000000442000-memory.dmp
memory/744-91-0x00000000061D0000-0x0000000006220000-memory.dmp
memory/3744-76-0x0000000008160000-0x00000000087DA000-memory.dmp
memory/3744-75-0x00000000077F0000-0x0000000007893000-memory.dmp
memory/3744-24-0x0000000006170000-0x00000000061D6000-memory.dmp
memory/3744-35-0x00000000061E0000-0x0000000006534000-memory.dmp
memory/3744-17-0x00000000058C0000-0x0000000005EE8000-memory.dmp
memory/3744-18-0x0000000074950000-0x0000000075100000-memory.dmp
memory/3744-89-0x0000000074950000-0x0000000075100000-memory.dmp
memory/3744-85-0x0000000007E40000-0x0000000007E48000-memory.dmp
memory/3744-83-0x0000000007D60000-0x0000000007D74000-memory.dmp
memory/3744-15-0x0000000005220000-0x0000000005256000-memory.dmp
memory/3744-82-0x0000000007D50000-0x0000000007D5E000-memory.dmp
memory/3744-51-0x00000000067E0000-0x00000000067FE000-memory.dmp
memory/3744-23-0x0000000006100000-0x0000000006166000-memory.dmp
memory/3744-79-0x0000000007DA0000-0x0000000007E36000-memory.dmp
memory/3744-22-0x0000000005FE0000-0x0000000006002000-memory.dmp
memory/3744-20-0x0000000074950000-0x0000000075100000-memory.dmp
memory/3744-65-0x0000000006DD0000-0x0000000006DEE000-memory.dmp
memory/3744-19-0x0000000074950000-0x0000000075100000-memory.dmp
memory/3744-53-0x00000000077B0000-0x00000000077E2000-memory.dmp
memory/3744-54-0x0000000071020000-0x000000007106C000-memory.dmp
memory/4632-10-0x000000000A980000-0x000000000AA1C000-memory.dmp
memory/4632-2-0x0000000005E60000-0x0000000006404000-memory.dmp
memory/4632-6-0x0000000005A90000-0x0000000005AA6000-memory.dmp
memory/4632-7-0x0000000005C60000-0x0000000005C6E000-memory.dmp
memory/4632-9-0x0000000006B70000-0x0000000006BF4000-memory.dmp
memory/4632-5-0x0000000074950000-0x0000000075100000-memory.dmp
memory/4632-16-0x000000007495E000-0x000000007495F000-memory.dmp
memory/4632-8-0x0000000006B10000-0x0000000006B20000-memory.dmp
memory/4632-0-0x000000007495E000-0x000000007495F000-memory.dmp
memory/4632-4-0x00000000057E0000-0x00000000057EA000-memory.dmp
memory/4632-3-0x00000000057F0000-0x0000000005882000-memory.dmp
memory/4632-37-0x0000000074950000-0x0000000075100000-memory.dmp
memory/4632-50-0x0000000074950000-0x0000000075100000-memory.dmp
memory/4632-1-0x0000000000D40000-0x0000000000DF4000-memory.dmp