2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81

Analysis

max time kernel
120s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2024 18:45

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General

Target

2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
Size

56KB
MD5

f689b4f01612802ab400263c4e741f40
SHA1

8da3789a82459bd98eac61eb3d3696a3d78364ff
SHA256

2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81
SHA512

d1284b68061a188ae16bca445a776d8898498ffe803920d186157f87a589606eac0b7d8b3afe74c4b77bde34561ba806ac466f23ed60017afdfb712abd90c3e6
SSDEEP

1536:V7Zf/FAxTWoJJ7TPUr8p0IhAFV2RuH220IhAFV2RuH24:fny1zUz+6V2RuH2j+6V2RuH24

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4656) 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/4716-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023462-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/4716-912-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\invalid32x32.gif.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ppd.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.NetFX35.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\flat_officeFontsPreview.ttf.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\libpng.md.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\ffjcext.zip.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ul-oob.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Grace-ppd.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-pl.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.Primitives.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClientSideProviders.resources.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\vi.pak.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_BypassTrial180-ul-oob.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ul-oob.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-pl.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\7-Zip\Lang\io.txt.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Xaml.resources.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\7-Zip\Lang\es.txt.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Aero2.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Retail-ul-oob.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART14.BDR.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.es-es.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaremr.dll.mui.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\hprof.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightItalic.ttf.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.tr-tr.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.TypeConverter.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ppd.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Grace-ul-oob.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.DriveInfo.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0016-0409-1000-0000000FF1CE.xml.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\mesa3d.md.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-pl.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\loc\AppXManifestLoc.16.en-us.xml.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-100.png.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationTypes.resources.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\policy\limited\local_policy.jar.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\vcruntime140_cor3.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jsound.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Pipes.AccessControl.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_fr.properties.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-pl.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ppd.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Grace-ppd.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_WHATSNEW.XML.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Input.Manipulations.resources.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\cs.pak.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.SqlServer.Configuration.SString.dll.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_zh_CN.properties.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0409-1000-0000000FF1CE.xml.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-ul-oob.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Trial-pl.xrm-ms.tmp	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.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	2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe

C:\Users\Admin\AppData\Local\Temp\2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe
"C:\Users\Admin\AppData\Local\Temp\2c4e3d0dbf58d48eaf8746eaa95fd811908321ada19616c0311a83cdea14ce81N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4716

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-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp

Filesize
56KB

MD5
b2797e480aa630feb4a7b9ddedc6fb8a

SHA1
931771bb4c4e44ed4416451a91e1812487b585fd

SHA256
48bac9de6ea26033901717b9f01126aa34d7fa6a49c0afa97fa4c362bf7ac8b3

SHA512
3559a1590fe816c13664f711dab7e57a0fcb8576d45746864ec4793c14f412e2ce2f45bfb83b7f9c07fd765271fd37efe0fdb6babb2cbbe5712fdc7e044cb964

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

Filesize
155KB

MD5
39d10196a3fb88df1b23c9f7e6bdbb1e

SHA1
7f15f48a90b675e03ead410b3ba5504fbd1327b3

SHA256
913696172aa0959a4b3808865bed723d9f4df094eb9a9aba99975eb020107203

SHA512
6fb718092aab75388e379906fd669c3a29101e5327ff4020b118c1edaae57db2a99d063f42652a3c787dfc378f7e806d3bb54916a97d5d81798397650cc3b513

Download Submit
memory/4716-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4716-912-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download