97ff492d6debdc6402f83eea53cfa614c0256769f9ca242b53fc4e2c4b62152c

Analysis

max time kernel
119s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05-09-2024 12:20

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General

Target

4c7e6e3ca396a0baa145cca0a731f140N.exe
Size

56KB
MD5

4c7e6e3ca396a0baa145cca0a731f140
SHA1

570024b3d1934fa63af78422f7e7e6a1b3754164
SHA256

97ff492d6debdc6402f83eea53cfa614c0256769f9ca242b53fc4e2c4b62152c
SHA512

a621683879dda5c21b37b27e8a71a65166bef69b658c7d43717a670d576d8f9b37784796453b1c980cfb6918d12773494605a7ce4e8a71943984e39f9d93c50f
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNydWK9WKF9ADJ8:V7Zf/FAxTWoJJZENTNyoKIKMW

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4650) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

UPX packed file 4 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3032-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023368-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/3032-936-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationClientSideProviders.resources.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Windows.Controls.Ribbon.resources.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\dt.jar.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-002C-0409-1000-0000000FF1CE.xml.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Common.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.AnalysisServices.AdomdClientUI.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Watcher.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.EventLog.Messages.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-ppd.xrm-ms.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub_eula.txt.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\tipresx.dll.mui.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\fr-FR\msinfo32.exe.mui.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\sqlxmlx.rll.mui.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbvbs.inc.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clrjit.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sw.pak.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001F-040C-1000-0000000FF1CE.xml.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTest-ul-oob.xrm-ms.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-ul-phn.xrm-ms.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Tracing.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Parallel.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Controls.Ribbon.resources.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\ReachFramework.resources.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\idlj.exe.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sawindbg.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\vstoee90.tlb.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\public_suffix_list.dat.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_F_COL.HXK.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvStreamingManager.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationProvider.resources.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.Design.resources.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRLEX.DLL.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-errorhandling-l1-1-0.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Java\jre-1.8\bin\dcpr.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0000-1000-0000000FF1CE.xml.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ppd.xrm-ms.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-pl.xrm-ms.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\MICROSOFT.DATA.RECOMMENDATION.CLIENT.CORE.DLL.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Core.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-ul-oob.xrm-ms.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-pl.xrm-ms.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Excel.EditorRibbon.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-runtime-l1-1-0.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipRes.dll.mui.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.InteropServices.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.Win32.SystemEvents.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\123.0.6312.123.manifest.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Metadata.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ur.pak.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\jpeg_fx.md.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-pl.xrm-ms.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-pl.xrm-ms.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\zh-TW\msipc.dll.mui.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\7-Zip\descript.ion.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsptg.xml.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-white_scale-100.png.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Specialized.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationTypes.resources.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PenImc_cor3.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Xaml.resources.dll.tmp	4c7e6e3ca396a0baa145cca0a731f140N.exe
File created	C:\Program Files\Java\jre-1.8\bin\unpack200.exe.tmp	4c7e6e3ca396a0baa145cca0a731f140N.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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4c7e6e3ca396a0baa145cca0a731f140N.exe

C:\Users\Admin\AppData\Local\Temp\4c7e6e3ca396a0baa145cca0a731f140N.exe
"C:\Users\Admin\AppData\Local\Temp\4c7e6e3ca396a0baa145cca0a731f140N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
56KB

MD5
0fa680f97f5a0a1d3f7ba042cc9f6ce2

SHA1
67d11fff3c3b4029364fb5b283234744419dc11a

SHA256
adb7e2fac199bbcd33332d96162564354c47ed3f0bff548f518d5a60ededea8f

SHA512
f058afe3091d88ce9b97536a49d2076f0f0460dde43b1259acd573b06e4dc0c51daeb5bb13f669aa3f1fde7610a67947f807009824efcafcf9381692f1da81b2

Download Submit
C:\Program Files\7-Zip\7-zip.dll.tmp

Filesize
155KB

MD5
09af197b4d7ecb2f3eaec534fa851f0b

SHA1
18d4fd9b3b0074d538011b2f2ab9279261d83ee9

SHA256
f01138e35ff1565e14d2ff71af3286ed3ca1cf2576db807cbf4281cc436f9ff1

SHA512
bc60f6f7b63c8e81ee016c5fca4c4ab8e0971d027efd32dbc6438e337fc33ddbb609ad6ab505681241100d2a39e05993a63539d0c70b9ff6e85f41e383329883

Download Submit
memory/3032-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3032-936-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download