Analysis
- max time kernel
120s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
13/11/2024, 15:25
Behavioral task
behavioral1
Sample
a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe
Resource
win7-20240903-en
windows7-x64
4 signatures
120 seconds
Behavioral task
behavioral2
Sample
a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
4 signatures
120 seconds
General
- Target a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe
- Size 128KB
- Sample241113-stmc3avalf
- SHA256 a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4
- MD5 23ff2995f4f621d51893a84c2a0f9ae3
- SHA1 6358dd60d0d075b4b88a8638fabb91ee2c94fbe2
- SHA512 56461226a82ce073d3f76c64fe4d65863d3b08eda72790ddd2b40d33f8ca7c001f1cbeacbb44eab80215d90511ac12f81fcb45a21ec7758232c42fe35d493e05
- SSDEEP 1536:V7Zf/FAxTWbiVRRNRR3EBb6TWciVRRNRR3EBbmeK:fnyFRrRCRrRTeK
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4218) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/4844-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000b000000023bc4-2.dat upx behavioral2/files/0x000600000001e5c2-6.dat upx behavioral2/memory/4844-658-0x0000000000400000-0x000000000040B000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.NETCore.App.deps.json.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Input.Manipulations.resources.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Primitives.resources.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_wer.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Java\jre-1.8\lib\flavormap.properties.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.Extensions.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.Extensions.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Quic.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Algorithms.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\VSTOLoaderUI.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Common Files\System\msadc\msadcer.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial2-ppd.xrm-ms.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\msquic.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Java\jre-1.8\lib\jsse.jar.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ppd.xrm-ms.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ul-oob.xrm-ms.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\7-Zip\Lang\an.txt.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Common Files\System\ado\fr-FR\msader15.dll.mui.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.Immutable.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationClient.resources.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\PresentationUI.resources.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationCore.resources.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\jsse.jar.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Client\C2R32.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHPHN.DAT.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\7-Zip\Lang\hi.txt.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemDrawing.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-ul-oob.xrm-ms.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-ul-oob.xrm-ms.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\ReachFramework.resources.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Threading.AccessControl.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Common Files\microsoft shared\ink\tipskins.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.UnmanagedMemoryStream.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationClientSideProviders.resources.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-pl.xrm-ms.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Parallel.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sv.pak.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProDemoR_BypassTrial180-ul-oob.xrm-ms.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\ClientARMRefer_eula.txt.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ConsumerSub_Bypass30-ppd.xrm-ms.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\db2v0801.xsl.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClientSideProviders.resources.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\PresentationUI.resources.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Java\jdk-1.8\include\win32\jni_md.h.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\sunec.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\i640.cab.cat.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.NETCore.App.deps.json.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\attach.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Common Files\microsoft shared\ink\de-DE\TipTsf.dll.mui.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-console-l1-2-0.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-pl.xrm-ms.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Common Files\System\Ole DB\oledb32.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Grace-ppd.xrm-ms.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\LyncBasic_Eula.txt.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Models.dll.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-ppd.xrm-ms.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Common Files\microsoft shared\ink\en-US\micaut.dll.mui.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe File created C:\Program Files\Common Files\microsoft shared\ink\mip.exe.tmp a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe - System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe"C:\Users\Admin\AppData\Local\Temp\a154d5db0de7870cbf6df1e5f6ff7eb847ef7e99721457b83a424b018996e2c4.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4844
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-4050598569-1597076380-177084960-1000\desktop.ini.tmp
- Size 128KB
- SHA256 7e58ff6ecbd998bc96256f350154abad003403d92cc5dea0a0cce9594585ccf5
- MD5 5e502633757f72da0ee53d3f7974e869
- SHA1 7794ba6cfde61602af5287f28042083609a51107
- SHA512 7208c4b27c5ef2710cc68db1a072b41481a754fe2e2ddb83235ac472548c6118970365a4622f7e358f61b6cb481ad601e7f911654bbbb106f7314b41dff079c6
- SSDEEP 1536:V7Zf/FAxTWbiVRRNRR3EBb6TWciVRRNRR3EBbmeT:fnyFRrRCRrRTeT
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 227KB
- SHA256 2fdc72f5b094d5fa856febb98c903e4881b56191e72d82da4ce463628d0aebdb
- MD5 affba9fa71642503c8b4b60bc02b86e4
- SHA1 8c2721d7449b015ca952d1146b7e2c5eefe3e022
- SHA512 0c05ecbcf9f860a4111e638773ad558d23d8ca1a04c3d28efa5e10d6713fdc00ce842d01204979a5496185dd619540daeee1923d50e2199a578e1efd85d6319c
- SSDEEP 3072:fnyFRrRCRrRTeKWHIjN3tj6qnv0b2UrXkbvL/:KFRrRCRrRTetIjNDv0bNXkbvL/
- MD5 SHA1 SHA512 SSDEEP