47ed061af2c43e6e80e92526d24542d9c17e60fdc50df66619138d42701eeb89

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/08/2024, 22:15

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General

Target

2f49d541b6151bedfdd86ad79a3795c0N.exe
Size

30KB
MD5

2f49d541b6151bedfdd86ad79a3795c0
SHA1

0834306f58b0add56abdbf822af4c2274ef8cd55
SHA256

47ed061af2c43e6e80e92526d24542d9c17e60fdc50df66619138d42701eeb89
SHA512

79ec616b6a98b5d031b7026aaa5ac079f14b25f0051db603c7dbe2ce0a7894a0983f59eb533377497056e95c26259907862fc970339f05a068c4186db9c0f01a
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJ1Evd5BvhzaM9mSIEvd5BvhzaM9mSsxmMxm9+9wl+xA:kBT37CPKKdJJ1EXBwzEXBwdcMcI9wl/

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4671) 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/748-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000234b1-2.dat	upx
behavioral2/files/0x00040000000228de-6.dat	upx
behavioral2/memory/748-993-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\rtscom.dll.mui.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\ShapeCollector.exe.mui.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\prism_sw.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jvm.hprof.txt.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javafx_iio.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-100.png.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\meta-index.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\ucrtbase.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-ul-oob.xrm-ms.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\TAG.XSL.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Xaml.resources.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red.xml.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-ul-oob.xrm-ms.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-pl.xrm-ms.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clrgc.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.CodeDom.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AdeModule.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoianetutil.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\SharedPerformance.man.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XDocument.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\cacerts.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipssrb.xml.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ppd.xrm-ms.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-pl.xrm-ms.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Threading.AccessControl.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Xaml.resources.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.dll.sig.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\he\msipc.dll.mui.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest3-ul-oob.xrm-ms.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymt.ttf.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msotdaddin.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\7-Zip\Lang\af.txt.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-locale-l1-1-0.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.Serialization.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-100.png.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.Linq.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\MICROSOFT.DATA.RECOMMENDATION.COMMON.DLL.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-pl.xrm-ms.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.CompilerServices.VisualC.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Xaml.resources.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\WindowsFormsIntegration.resources.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME.txt.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial2-pl.xrm-ms.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\7-Zip\Lang\zh-cn.txt.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\IpsMigrationPlugin.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Common Files\System\ado\msado26.tlb.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-environment-l1-1-0.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub_M365_eula.txt.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\PresentationFramework.resources.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\WindowsAccessBridge-64.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\zipfs.jar.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ppd.xrm-ms.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Extensions\external_extensions.json.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\java.security.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.en-us.xml.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-ppd.xrm-ms.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\jfxrt.jar.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-ul-phn.xrm-ms.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\bwnumbered.dotx.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\7-Zip\Lang\cs.txt.tmp	2f49d541b6151bedfdd86ad79a3795c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.Concurrent.dll.tmp	2f49d541b6151bedfdd86ad79a3795c0N.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	2f49d541b6151bedfdd86ad79a3795c0N.exe

C:\Users\Admin\AppData\Local\Temp\2f49d541b6151bedfdd86ad79a3795c0N.exe
"C:\Users\Admin\AppData\Local\Temp\2f49d541b6151bedfdd86ad79a3795c0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:748

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-1-5-21-2718105630-359604950-2820636825-1000\desktop.ini.tmp

Filesize
31KB

MD5
737d2bb46051d0a29b6b9ff139fb0c50

SHA1
6bb0eb804cdeef94126fc37550caee4e638e55c5

SHA256
4bdc8618b49030e602979f5fad09ce3b9f0f233d6db101b9dd73368df35f4607

SHA512
45b9fc8cc4b3d0c08e5e9b6e1586956db7e177d1e2bd9d2d701581ab6c549080bb8b15124ceda368b37c9909e1cc504846091864460410918d7536f8b0ba78fd

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

Filesize
129KB

MD5
f8b562d55d9cf69b8b2c8ad19265bbb2

SHA1
41590828e36dab10babbbb06033558878b12048c

SHA256
a237bf04b743b64f7d09f3af4d7c3bcbc5125b74305c63f7fbf4a7e61a4dc8a4

SHA512
be13b375b6a675862c582f7477069054e369d67aa773d6546a756e4b56bf1d78a0d03342e30f0af20fcdd83528b7fecb8d9d1c2de2bbfe648c9d7ac8c66ddff0

Download Submit
memory/748-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/748-993-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download