5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f

Analysis

max time kernel
150s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/08/2024, 22:01

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General

Target

5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
Size

66KB
MD5

3e8c740465a73798452783b4bf322a0f
SHA1

532b5ee42ddebf9485e75462045cc262ee2e2a77
SHA256

5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f
SHA512

150db7c67a6cbeaac6c0f294b1e24339fee3e32646a50d2ca0adb77081470c903ffee05a46f13e98fff6c874ecd56975bc47cd747c2175ccbcc9c42ae45e3efb
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rr:V7Zf/FAxTWtnMdyGdyNDr

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5107) 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/4544-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000022705-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/4544-1960-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN108.XML.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Input.Manipulations.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Trial-pl.xrm-ms.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msvcp140.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\sbicudt53_64.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OSFUI.DLL.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_Subscription-ppd.xrm-ms.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msaddsr.dll.mui.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Drawing.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.VisualBasic.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\ffjcext.zip.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\msdasqlr.dll.mui.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\am.pak.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-process-l1-1-0.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL044.XML.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\LTSHYPH_EN.LEX.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.DiaSymReader.Native.amd64.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationCore.resources.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-ppd.xrm-ms.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-ul-oob.xrm-ms.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART6.BDR.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Java\jre-1.8\lib\accessibility.properties.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Trial-ppd.xrm-ms.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\7-Zip\7z.sfx.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Common Files\microsoft shared\VGX\VGX.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.Annotations.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationFramework.resources.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\msvcp140.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-pl.xrm-ms.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\7-Zip\Lang\ja.txt.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\msdasqlr.dll.mui.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.RegularExpressions.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-file-l2-1-0.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\rsod\excelmui.msi.16.en-us.tree.dat.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\asm.md.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-pl.xrm-ms.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\ISO690.XSL.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\7-Zip\7-zip32.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.SecureString.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.exe.sig.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial1-pl.xrm-ms.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\WindowsFormsIntegration.resources.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-handle-l1-1-0.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-conio-l1-1-0.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial2-ul-oob.xrm-ms.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_COL.HXC.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfr\profile.jfc.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp3-ul-phn.xrm-ms.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial2-pl.xrm-ms.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.Calendars.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClient.resources.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Input.Manipulations.resources.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\WindowsBase.resources.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Configuration.ConfigurationManager.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Trial-ul-oob.xrm-ms.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGMN011.XML.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.resources.dll.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Internet Explorer\ja-JP\ieinstal.exe.mui.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymxl.ttf.tmp	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.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	5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe

C:\Users\Admin\AppData\Local\Temp\5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe
"C:\Users\Admin\AppData\Local\Temp\5c38ead20111b2d39cf7d80700d524beb103cabe51213f814c06964697a0231f.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4544

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
67KB

MD5
139d30e6752cd7b09447cb4ba2212a31

SHA1
98516ba75781d380e53de6dd7050b1a366c4174a

SHA256
7c3bfb8601d07fa6f2854a210e095b8ffc2c7231aeec319be416e24600560ffd

SHA512
0c454ecdd7eea06468823030476d49c1dd6de2f586a2b9e1bf2f5d089b61c8b4d1179ad5d5eebd6af31cf987101882e6d9c3de1343a7f2c79606a589e0667b2f

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

Filesize
165KB

MD5
7f57a2e871605b156f894cf82846d781

SHA1
c694d823ed201d672da63551957d7b05f4655c0e

SHA256
282797a3a07a6c8f6038cc0c5998989406133c9fe0f6a7a6ddb1a4c7c3a3568a

SHA512
40439192d96190f784ab14c70d133740e881d1000aa0c7d87cd94f1943ad6ed313587be2e9e2cb07ffa1332233327f9b495b3d24805a829f27fa9567bc1f4138

Download Submit
memory/4544-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4544-1960-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download