2a5ad83e7527a784f314f4f4a9f5667f5ef468d4a82a4e4a0f0b32147d10d6f9

Analysis

max time kernel
119s
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
04/09/2024, 15:09

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General

Target

abf5ad635e9b800559b83b1934463cb0N.exe
Size

59KB
MD5

abf5ad635e9b800559b83b1934463cb0
SHA1

060c110ce2754be6d4b38ba8d090f4ed8e3fb2c1
SHA256

2a5ad83e7527a784f314f4f4a9f5667f5ef468d4a82a4e4a0f0b32147d10d6f9
SHA512

f413935efdee5b6159f51aedcb0f8e286018e1f706d84ec4887618a1c5301cabfa0639374b40e2903b90ac0e2e77fc6aa4d8b263e8765eada518988b8a3648d6
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNydWK9WKF9ADJH:V7Zf/FAxTWoJJZENTNyoKIKMmrs

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4667) 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/832-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002346b-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/832-982-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-heap-l1-1-0.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-ul-phn.xrm-ms.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOHEV.DLL.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\ClientEventLogMessages.man.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationTypes.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Forms.Primitives.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\public_suffix.md.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ObjectModel.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\WindowsBase.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ppd.xrm-ms.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_SubTrial-pl.xrm-ms.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\GostName.XSL.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.HttpListener.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationTypes.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Security.Cryptography.Xml.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationFramework.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.Design.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\msvcp120.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\7-Zip\Lang\be.txt.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\7-Zip\Lang\gl.txt.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-oob.xrm-ms.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AdeModule.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\7-Zip\Lang\mng.txt.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ul-oob.xrm-ms.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-heap-l1-1-0.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.NETCore.App.runtimeconfig.json.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsBase.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\lcms.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.SqlServer.Configuration.SString.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\da\msipc.dll.mui.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\micaut.dll.mui.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ru-RU\tipresx.dll.mui.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-pl.xrm-ms.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ppd.xrm-ms.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.Design.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Xaml.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\gstreamer.md.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Integral.thmx.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Office.PowerPivot.ExcelAddIn.tlb.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Common Files\System\msadc\adcjavas.inc.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationClient.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\WindowsBase.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\PresentationCore.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Threading.AccessControl.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntime2019R_PrepidBypass-ppd.xrm-ms.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-pl.xrm-ms.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-black_scale-140.png.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\PresentationCore.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Input.Manipulations.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationClient.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\System.Xaml.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\jvm.lib.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\InputPersonalization.exe.mui.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationProvider.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationUI.resources.dll.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\LogoDev.png.tmp	abf5ad635e9b800559b83b1934463cb0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe.tmp	abf5ad635e9b800559b83b1934463cb0N.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	abf5ad635e9b800559b83b1934463cb0N.exe

C:\Users\Admin\AppData\Local\Temp\abf5ad635e9b800559b83b1934463cb0N.exe
"C:\Users\Admin\AppData\Local\Temp\abf5ad635e9b800559b83b1934463cb0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:832

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
60KB

MD5
972a71db9872c603957343bed5948681

SHA1
c11bc2096a7e64d24349298ebf4ca5d4bdc3cc90

SHA256
25ef516bd733634b365e2b2b3a037c6ba6c459a8f5e1f1e21eabdfe1c94a372f

SHA512
8b37969529bda2c06bccc2f7226b6953279a26f6f10111afd33cd7c428875e903e2a9a6b4c8891543930778e656f6bbbc2893020109a10302d4302729d3a32e8

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

Filesize
158KB

MD5
47fb16c69c25342e0ca4957173475020

SHA1
99e4cf2a7da0116d152a16d9d4b8e8c2899267ff

SHA256
8ec2baa3462cce9086a9406483af306ce7d0650edc631af90911421b70e23c0b

SHA512
4069b4a20c63d52c64c174430b8f7d1e5f1d97fc66b162c2bc22980146a8c24eed07d33bddb8cf041ce4b79ed6099befe6c69dabc04fad755d474a92e556c039

Download Submit
memory/832-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/832-982-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download