c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 07:19

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General

Target

c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
Size

70KB
MD5

224c7c1a4f75f2c8be7796bf2c2e9d00
SHA1

f33982a99677a0a5dd91f2855e93ece9813bdf60
SHA256

c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446
SHA512

1dac8f2eef60752784753c8bbd56a252fc26e3c8ab01fd2c055ee96db33ce1a6e1062d38beb121ea3eef5a30cfa8e119da62abedaf7c32a6451a09d24428f251
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9XBT37CPKKdJJ1EXBwzER:V7Zf/FAxTWoJJ7TbTW7JJ7Tc

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4648) 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/232-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002347b-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/232-912-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Trial-pl.xrm-ms.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jp2ssv.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Quic.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\WindowsFormsIntegration.resources.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Forms.resources.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ul-oob.xrm-ms.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcor.dll.mui.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hu-hu.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\hostpolicy.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscordaccore_amd64_amd64_7.0.1624.6629.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.osmuxmui.msi.16.en-us.xml.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ul-phn.xrm-ms.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ul-phn.xrm-ms.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-180.png.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-time-l1-1-0.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ConsumerSub_Bypass30-ul-oob.xrm-ms.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ul-oob.xrm-ms.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Common.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.et-ee.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jsound.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-ul-oob.xrm-ms.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\jawt_md.h.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-console-l1-1-0.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunjce_provider.jar.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Threading.AccessControl.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp4-pl.xrm-ms.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MsoAriaCApiWrapper.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\HarvardAnglia2008OfficeOnline.xsl.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\IVY.DLL.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Primitives.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSMUX.OSMUX.x-none.msi.16.x-none.xml.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-pl.xrm-ms.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART14.BDR.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-white_scale-180.png.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2iexp.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ppd.xrm-ms.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ul-oob.xrm-ms.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\sqloledb.rll.mui.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Royale.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Retail-ppd.xrm-ms.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-environment-l1-1-0.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\de-DE\msinfo32.exe.mui.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationUI.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Java\jre-1.8\bin\hprof.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Trial-ppd.xrm-ms.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.DataIntegration.TransformDataByExample.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-black_scale-100.png.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.ZipFile.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msadcor.dll.mui.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Forms.resources.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Java\jre-1.8\bin\java_crw_demo.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsar.xml.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Formatters.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.Design.resources.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationCore.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\am.pak.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Java\jre-1.8\bin\JavaAccessBridge-64.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\vcruntime140.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationTypes.resources.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ul-phn.xrm-ms.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-pl.xrm-ms.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Xaml.resources.dll.tmp	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.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	c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe

C:\Users\Admin\AppData\Local\Temp\c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe
"C:\Users\Admin\AppData\Local\Temp\c7643b06dd2bed48eb4ff81f3f3abc0b3b51a1b772898fa44cacecf518e3f446N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:232

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
71KB

MD5
55bb734d9ac1de31d72cfc9edcb45772

SHA1
0ce9d98899b06d9b07d7b579ff073e4303874616

SHA256
303b9b905133975addfe5ed150a49ec83c9269d60401d110fed6a190762c34b8

SHA512
6d95acd39f11be4bcf314a3d2e89f2f592c0063665d578bb67b5da45ba6305df3722707011519674298b39821955cb80d18c38c3a6fdf8ebdf08fc5e79478326

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

Filesize
169KB

MD5
d6386c8e11d50aa7a8bcfb7d86f8dcdb

SHA1
1b5e515741e23485926522db51d960a5ed78d85c

SHA256
24b6e8fe1ee36d8a75970dad060b48e9278f9f2c9af2b65e7ae14ea3b0247ce5

SHA512
1cbd86e9e2838e5ac901dbfc676d3460baba2b7a6f59507e5f37ec74acd456a6725945eeb33db32b57022fb5fde110fc103272e5b905a60791e07ce46cc354c8

Download Submit
memory/232-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/232-912-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download