ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32

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
25-09-2024 23:33

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General

Target

ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
Size

39KB
MD5

109fc23d17117ceff4d4aab9574cce00
SHA1

8e87ef25631b498f8bcc8e26b577d224f70bdfa4
SHA256

ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32
SHA512

296a601681e3c3523c654c3e0d0e7ab866f429d68bb598f5f6e74008ccccec6089c9f56bc095033c58d46cdb884097105cea485d0e2bcec253d9edd621dc971a
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeOSSF9:CTWDSFUpCUpl2

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4658) 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/116-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0008000000023477-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/116-902-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\bin\java.exe.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jaas_nt.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Client\vcruntime140.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-black_scale-100.png.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Xaml.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationProvider.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationClient.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l2-1-0.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordaccore.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Forms.Design.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Drawing.Common.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Java\jre-1.8\bin\ktab.exe.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\java.security.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ppd.xrm-ms.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ul-oob.xrm-ms.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7fr.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\PresentationFramework.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationProvider.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\NL7MODELS0009.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-pl.xrm-ms.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-pl.xrm-ms.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AdeModule.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART15.BDR.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\et-EE\tipresx.dll.mui.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-stdio-l1-1-0.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-ppd.xrm-ms.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLPROXY.DLL.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Common Files\System\ado\msado15.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Xaml.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Formatters.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationTypes.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\ecc.md.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_PrepidBypass-ppd.xrm-ms.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRLEX.DLL.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Console.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.CSharp.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationClient.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationProvider.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\logging.properties.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ppd.xrm-ms.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\7-Zip\Lang\bn.txt.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.Interfaces.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-pl.xrm-ms.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\System.Windows.Forms.Primitives.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Forms.Primitives.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Input.Manipulations.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.ProtectedData.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Xaml.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-pl.xrm-ms.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-convert-l1-1-0.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\es-ES\msinfo32.exe.mui.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientOSub2019_eula.txt.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqlxmlx.rll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_pt_BR.properties.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\Microsoft.VisualBasic.Forms.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationUI.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00A1-0409-1000-0000000FF1CE.xml.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\PresentationFramework.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ppd.xrm-ms.tmp	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.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	ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe

C:\Users\Admin\AppData\Local\Temp\ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe
"C:\Users\Admin\AppData\Local\Temp\ec1673d66c7b2eaa9ff3b43e08f709743994988dff90565c463e839092d92b32N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:116

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
40KB

MD5
39503626b6c9d00c166bc65b01c66b59

SHA1
ead913729be5bfa55aeac94d20238feca05825f0

SHA256
ac598e80982fc80a8ce0619c70eb436965cc3d4646f55a67536e9c154805ce63

SHA512
a7952aeb912c43ac23297342fb253321b55b16198e12fbd1692f73c0bccaf48e353f2f971482d762e195e534b800e8a51516209cfd8efe3e04f1fa6304a7bb72

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

Filesize
138KB

MD5
380900530a74882246949678bba56d5c

SHA1
62f4606d76e263bbadbe1e02e5106d5e4eb2a851

SHA256
5e0c049cf62c1a5ca6958650a63beaa8b2fbef14d19c85a34f781e9ac16c9c6f

SHA512
1c7848c1b980ebc4b5ff6b94af3ec296d32fbfe7b8116889c87f7e0c161b8e6327103b253c0aaca9250237ce522344a8d613787761c70e2b136594a461d23c0d

Download Submit
memory/116-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/116-902-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download