83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0

Analysis

max time kernel
150s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
30/09/2024, 22:17

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General

Target

83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
Size

104KB
MD5

cd8a2dc7f9f74a91fc610fa861e1c7f0
SHA1

b4420067ea0021a1ad7ac2927a7115f49839c31d
SHA256

83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0
SHA512

3690b210210bcd7e23a3de3cf99a4e8718f44e51c3ab00792b208418ad93f36d141d2a91eaa1e2d61485d4b9a1aeecdb1186dfef487c527e24f18d4cdcca8c40
SSDEEP

1536:V7Zf/FAxTWoJJZENTBTYhQmTW7JJZENTBTYhQGfQN/Nr:fny1tEuQFtEuQGfQN/Nr

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5051) 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/1580-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233f3-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/1580-910-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri Light-Constantia.xml.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Input.Manipulations.resources.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dt_socket.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-pl.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\LyncBasic_Eula.txt.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-140.png.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OSFPROXY.DLL.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvApi.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Threading.AccessControl.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-phn.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-math-l1-1-0.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Handles.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationTypes.resources.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemXmlLinq.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial Black-Arial.xml.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\pkeyconfig-office-client15.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.FileVersionInfo.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-pl.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-pl.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.TypeExtensions.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Controls.Ribbon.resources.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ppd.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ppd.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-ppd.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ppd.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-ppd.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-ppd.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.MemoryMappedFiles.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\ReachFramework.resources.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Trial-ul-oob.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationUI.resources.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationTypes.resources.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationUI.resources.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_LinkDrop32x32.gif.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-phn.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OFFSYML.TTF.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\7-Zip\Lang\tt.txt.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Common Files\System\msadc\adcvbs.inc.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ppd.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-pl.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\PresentationCore.resources.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\relaxngdatatype.md.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_ghost_company.png.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\Send2.16.White.png.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\InputPersonalization.exe.mui.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Immutable.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\WindowsBase.resources.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.CodeDom.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-pl.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\7-Zip\Lang\mk.txt.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Forms.Design.resources.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTrial-pl.xrm-ms.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_COL.HXC.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ObjectModel.dll.tmp	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.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	83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe

C:\Users\Admin\AppData\Local\Temp\83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe
"C:\Users\Admin\AppData\Local\Temp\83e49d47a65aec441de6d0f6b55af323c08e484ec3bb26c3d37b4d04620635c0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1580

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
104KB

MD5
e95bba6815d630799d614be756f4233d

SHA1
647a0b63905978cef239a174d0868698a3cd291b

SHA256
cb7390fe5216beabb16518006d91f373ba10300d28e5c4b547ea85b8905c4469

SHA512
0b6244afae2d32cb0a37a2fe93ade4b1f9a7e78e2d7cd9e7f9c727b0b5eff5eadf8ab9f7739bcd08b8974d6106fe934cf256fcce33baa7bcd74fb2bb7f02fd3b

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

Filesize
203KB

MD5
5c9c929581351805a112e90695dde257

SHA1
58b74869147c1a08746909da15692c2bf97bbf6e

SHA256
12b8a58036cf2a6edbf41b693e4b983ebdae19a7dc1f56c0b2d81b7bd312a9da

SHA512
1c82a086ca5cc45c59165a01fb8a1d10056d147a2fffa287a09770de379a9ca0d2431b73140e8101488a8f1e8b481eea3e4f7cc2bde1ff74151364e92fd3529b

Download Submit
memory/1580-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1580-910-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download