Analysis
- max time kernel
120s - max time network
95s - platform
windows10-2004_x64 - resource
win10v2004-20241007-en - resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system - submitted
08/10/2024, 22:23
Behavioral task
behavioral1
Sample
77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe
Resource
win7-20240903-en
windows7-x64
4 signatures
120 seconds
Behavioral task
behavioral2
Sample
77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe
Resource
win10v2004-20241007-en
windows10-2004-x64
4 signatures
120 seconds
General
- Target 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe
- Size 52KB
- Sample241008-2a7dkaxcmf
- SHA256 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2b
- MD5 8bfecfb548f7ce6723acdc45ce255700
- SHA1 512ce79924258a14685da698feaba5a066e33590
- SHA512 e02fce4e6f93a1ada21c6da7c663203b22a02f21606f046f775be7d6e31b4cb37f0a5db062189e49f02ee80ce93be221adf5381af17210243ae21501a26e87cd
- SSDEEP 768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9l:V7Zf/FAxTWoJJ7Tn
- MD5 SHA1 SHA512 SSDEEP
Score
9/10
Malware Config
Signatures
- Renames multiple (4604) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
-
resource yara_rule behavioral2/memory/1468-0-0x0000000000400000-0x000000000040B000-memory.dmp upx behavioral2/files/0x000c000000023b36-2.dat upx behavioral2/files/0x0014000000022905-6.dat upx behavioral2/memory/1468-780-0x0000000000400000-0x000000000040B000-memory.dmp upx - Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Common Files\microsoft shared\ink\en-US\mshwLatin.dll.mui.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Compression.Native.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ServiceModel.Web.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Java\jdk-1.8\jre\legal\jdk\jopt-simple.md.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\mscss7wre_en.dub.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\7-Zip\Lang\ext.txt.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Common Files\microsoft shared\ink\it-IT\tipresx.dll.mui.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Resources.Extensions.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-string-l1-1-0.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremDemoR_BypassTrial365-ul-oob.xrm-ms.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-ppd.xrm-ms.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XPath.XDocument.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Aero2.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationClientSideProviders.resources.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fr-fr.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationUI.resources.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\UIAutomationProvider.resources.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Grace-ppd.xrm-ms.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ul-oob.xrm-ms.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msadcor.dll.mui.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Common Files\System\Ole DB\oledbvbs.inc.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\da.pak.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sk.pak.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\TAG.XSL.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_MAK_AE-ul-oob.xrm-ms.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationClient.resources.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_pt_BR.properties.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremDemoR_BypassTrial365-ppd.xrm-ms.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial5-pl.xrm-ms.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\AppvIsvSubsystems64.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_MoveDrop32x32.gif.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-util-l1-1-0.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_K_COL.HXK.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\STSLIST.CHM.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Numerics.Vectors.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ppd.xrm-ms.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ul-oob.xrm-ms.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.OleDbProvider.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Cng.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoBeta.png.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-ppd.xrm-ms.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Google\Chrome\Application\123.0.6312.123\MEIPreload\preloaded_data.pb.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsBase.resources.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Java\jre-1.8\bin\mlib_image.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msdaremr.dll.mui.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-console-l1-2-0.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\security\trusted.libraries.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Grace-ul-oob.xrm-ms.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-ul-oob.xrm-ms.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\WindowsBase.resources.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Internet Explorer\it-IT\iexplore.exe.mui.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Java\jdk-1.8\legal\jdk\pkcs11cryptotoken.md.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.Primitives.resources.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_KMS_Client-ul-oob.xrm-ms.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\1033\WORD_WHATSNEW.XML.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\7-Zip\descript.ion.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\db2v0801.xsl.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XPath.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Java\jdk-1.8\jre\lib\deploy\[email protected] 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Java\jre-1.8\legal\jdk\mesa3d.md.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe File created C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-conio-l1-1-0.dll.tmp 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.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 77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe"C:\Users\Admin\AppData\Local\Temp\77f9dd5f560b5169ee9f8e13714c33a1bce835181cc079f14694524e55f42c2bN.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1468
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\$Recycle.Bin\S-1-5-21-4089630652-1596403869-279772308-1000\desktop.ini.tmp
- Size 53KB
- SHA256 1d9a83bd1d2142933f044fe8f8202699f4d03a908fe3938ea5b2cb09dcf8aeeb
- MD5 1f7e8ff2fe12b651f921c57741f17011
- SHA1 28a58f7addcdb6153724aa1f6ced47a2ea2646d9
- SHA512 28ca2cd755286999a852a9a1c8f8044ad7b636bf3b9e1530389b70d331acbcf8c3ba26dda064c97cc5ae8003dae30de26b0fb47c79280b1dc6856349d7634dc1
- SSDEEP 768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI90:V7Zf/FAxTWoJJ7Tq
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Program Files\7-Zip\7-zip.dll.tmp
- Size 151KB
- SHA256 62233afa1e0a4ea7ef72be498666a8e5bd799c6226cadb998447722dd77fce8e
- MD5 d1fe5e8affad34ad86e02a80010f5135
- SHA1 8a71b40c630f3b729de2e457801c4259d4fba747
- SHA512 aff55467034f7f5200bc5c07a74e003100041328375ab2912bb7c9f7a3c2878bc5c1fde71e2c3bba4b5e3aece65a110fbd6bb8d687527f93afe703869f3bccbe
- SSDEEP 1536:V7Zf/FAxTWoJJ7Th4pWHlPEXZzjUq3th5f6utM5vLNinVmWvMu0b2UdpXk+p0RpI:fny14WHIjN3tj6qnv0b2UrXkbvL0
- MD5 SHA1 SHA512 SSDEEP