1951ec946683e02ae2af622ab8f99d2284c253c8d112dd2be6df3699fb553239

Analysis

max time kernel
120s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 05:06

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General

Target

7d3b2f7e6d3931363f6cabded2e733a0N.exe
Size

87KB
MD5

7d3b2f7e6d3931363f6cabded2e733a0
SHA1

7a249eb366f509ab5b63ad3d7fe3db143a20ccf8
SHA256

1951ec946683e02ae2af622ab8f99d2284c253c8d112dd2be6df3699fb553239
SHA512

118f084530be4f9bb17167bb536567bbb8160de020742b1de65ea189cccae1d485e6894f91f060b729ad4dd6b3fc9ada18c01407286ae59cb5eb84559f61227a
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5p:fnyiQSox5p

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4576) 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/2332-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023404-2.dat	upx
behavioral2/files/0x000a000000023464-6.dat	upx
behavioral2/memory/2332-860-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Trial-ul-oob.xrm-ms.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ul-oob.xrm-ms.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hr-hr.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\WindowsFormsIntegration.resources.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Xaml.resources.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationClient.resources.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationProvider.resources.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Trial-ul-oob.xrm-ms.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_SubTrial-pl.xrm-ms.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msaddsr.dll.mui.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.VisualBasic.Forms.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jar.exe.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\ucrtbase.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\orcl7.xsl.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationTypes.resources.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\manifest.json.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\ct.sym.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.CoreLib.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jce.jar.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ppd.xrm-ms.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\MSOSEC.XML.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\PowerPivotExcelClientAddIn.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\appvcleaner.exe.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.bg-bg.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.es-es.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Consolas-Verdana.xml.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-pl.xrm-ms.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_MAK_AE-ul-phn.xrm-ms.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.PerformanceCounter.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunjce_provider.jar.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-root.xrm-ms.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\7-Zip\Lang\nb.txt.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Numerics.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_it.properties.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-3102-0000-1000-0000000FF1CE.xml.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-ul-phn.xrm-ms.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\TipRes.dll.mui.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javaws.exe.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages.properties.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\msotelemetryintl.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-time-l1-1-0.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-140.png.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XmlSerializer.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\javaws.policy.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\it\msipc.dll.mui.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\7-Zip\Lang\ug.txt.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ca.pak.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-profile-l1-1-0.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ul.xrm-ms.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\WindowsFormsIntegration.resources.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ul.xrm-ms.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-pl.xrm-ms.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationTypes.resources.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Xaml.resources.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\gu.pak.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-ppd.xrm-ms.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaTypewriterBold.ttf.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription1-ul-oob.xrm-ms.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\OFFICE.DLL.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-math-l1-1-0.dll.tmp	7d3b2f7e6d3931363f6cabded2e733a0N.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	7d3b2f7e6d3931363f6cabded2e733a0N.exe

C:\Users\Admin\AppData\Local\Temp\7d3b2f7e6d3931363f6cabded2e733a0N.exe
"C:\Users\Admin\AppData\Local\Temp\7d3b2f7e6d3931363f6cabded2e733a0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2332

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
88KB

MD5
adbc090777f9935e361c4d5a6d63533a

SHA1
7230d0c060ebc11b64bed8f8af02040ef15331fa

SHA256
59cf190cae13cdf65a672bf296733a811436b28cf6d48a9dfdfefad449be01d4

SHA512
4ef34356efe8646a64a543ac624da5666c610b908c2d5cca35f370228adfa3dfa0384379d31a89dd95e2638781cc5288e6ed53ecf88eeda824f68d19fbbc83cc

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

Filesize
186KB

MD5
01d4081686e3cc3bf48bab437468cb4a

SHA1
606ee9242e37806e43429f5dd9df03617fe90b38

SHA256
659a0a8478197782911d6991e6cafd07f33bdc7d9c7477b3631ae4994adbf724

SHA512
c820b280f6ee09b6dab539f267bb56fc4dc3518792d3d7fc08720696289a338dc026b065f281d6e1191fe365da6a068285dc53c4c1b4f7d7d398c9f443513dd0

Download Submit
memory/2332-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2332-860-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download