24e2b748663586f9126e95ff212b0124f327195cca6c01ff2f3a60f000178328

Analysis

max time kernel
120s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 06:15

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General

Target

67012c1911a76df2c8571701725e1a50N.exe
Size

96KB
MD5

67012c1911a76df2c8571701725e1a50
SHA1

6cc539261b2ef3838e6046139fd81d11d5d9a026
SHA256

24e2b748663586f9126e95ff212b0124f327195cca6c01ff2f3a60f000178328
SHA512

d4f6af74daff74ff5c992c6b67dd9e57b6ad7ebd4110849f7b07297d05776f66d517bdd8cecfe81ad5c3136701ddd05785bc8735c8cf70ecf93ea72f913f3845
SSDEEP

3072:fnyiQSoJUBM+PocOQejPdMRAHAASnnD5D5172HyZU3YF40S5DnumSFDnDHaJP1Bc:KiQSo//PxPa

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4338) 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/3916-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023371-2.dat	upx
behavioral2/files/0x0014000000022937-6.dat	upx
behavioral2/memory/3916-1788-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\GRAY.pf.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Trial-ul-oob.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Grace-ppd.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\PresentationCore.resources.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_OEM_Perp-ul-phn.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_MAK-ul-oob.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.OpenSsl.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.Design.resources.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ul-oob.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-phn.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\concrt140.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.DiaSymReader.Native.amd64.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Parallel.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\policy\unlimited\US_export_policy.jar.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ppd.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\mashupcompression.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\hive.xsl.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.Extensions.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Xaml.resources.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Xaml.resources.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Trial-pl.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\7-Zip\Lang\nb.txt.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\ml.pak.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\mlib_image.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-ul-oob.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Grace-ppd.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\7-Zip\Lang\hr.txt.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\mshwLatin.dll.mui.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.VisualBasic.Core.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\WindowsFormsIntegration.resources.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\javafx.properties.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-pl.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationCore.resources.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ppd.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\7-Zip\Lang\uz-cyrl.txt.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Common Files\System\msadc\msaddsr.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\WindowsFormsIntegration.resources.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationClient.resources.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Excel.Common.FrontEnd.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART15.BDR.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encodings.Web.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-ul-oob.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription4-ul-oob.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-pl.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\ISO690.XSL.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-conio-l1-1-0.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\coreclr.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Presentation.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription4-ppd.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Dallas.OAuthClient.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\WindowsFormsIntegration.resources.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationUI.resources.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jdwp.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ppd.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Common Files\microsoft shared\OFFICE16\Office Setup Controller\pkeyconfig.companion.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdasqlr.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.resources.dll.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-ppd.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-pl.xrm-ms.tmp	67012c1911a76df2c8571701725e1a50N.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	67012c1911a76df2c8571701725e1a50N.exe

C:\Users\Admin\AppData\Local\Temp\67012c1911a76df2c8571701725e1a50N.exe
"C:\Users\Admin\AppData\Local\Temp\67012c1911a76df2c8571701725e1a50N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3916

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-1-5-21-2927035347-1736702767-189270196-1000\desktop.ini.tmp

Filesize
97KB

MD5
7da10b84357d7c112c17af5725c88184

SHA1
279700790158eb40d290c21ba07aeb3abaaa1649

SHA256
06d523eac39104bc015256d8fe8f628d90ee74a9a45cdbb8567889eae3d130ba

SHA512
2beb1d05a8634242d31870b0677fa9f43908b3ed03a303a4d6767db227f6e71fd1a36dfa9268f1d68364af0358ffdfd54a9ad103f5f70bc4a1d9a4459eb0cf31

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

Filesize
196KB

MD5
77628a84c69f02deee44b1b308f82af9

SHA1
ea35784a79dc7d8354f19c66eda8165bf9b3cf79

SHA256
17340af617096aaa9df1403e7d5e0484234ba357bf1af0ebf4e42fdb2e031988

SHA512
9cae4311744a63a30dd469c8a30315fb07a4bb39e803268ef6ba266da4c0c3109383bbca3a78678cc84719964ca775400ca9db4ee2e9d946ec0530c512cf858b

Download Submit
memory/3916-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3916-1788-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download