1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3

Analysis

max time kernel
150s
max time network
100s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 16:07

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General

Target

1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
Size

26KB
MD5

64dce36072f614ca37a8bd94cdd924f0
SHA1

de67673ba01545d862d6fa84aa31118763e90c6b
SHA256

1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3
SHA512

45d25d64a2b64c0253385720feabd83231ca184224f76fb4d8e91db1b8413d1b935d55a7a13d36f8df31137a810a27726ce6c0ed16032e71048f0d8eaf58ac33
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9XZSZx:CTW7JJ7T4

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5323) 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/1772-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023424-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/1772-1020-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-ppd.xrm-ms.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XPath.XDocument.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\es.pak.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.CoreLib.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationProvider.resources.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Java\jdk-1.8\README.html.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_F_COL.HXK.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sv-se.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\clretwrc.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsBase.resources.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\blacklist.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLPROXY.DLL.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL016.XML.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\dotnet.exe.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationCore.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\ffjcext.zip.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\pkcs11cryptotoken.md.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\pkeyconfig-office.xrm-ms.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\1033\VSTOInstallerUI.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Uri.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\WindowsFormsIntegration.resources.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-synch-l1-2-0.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_MAK-pl.xrm-ms.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-processthreads-l1-1-1.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ms\msipc.dll.mui.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\ShapeCollector.exe.mui.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Xaml.resources.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\GettingStarted16\SLINTL.DLL.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\api-ms-win-core-processthreads-l1-1-1.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\PresentationCore.resources.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\kinit.exe.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Gill Sans MT.xml.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Grace-ul-oob.xrm-ms.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\BSSYM7.TTF.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\GOTHIC.TTF.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\zh-TW\tipresx.dll.mui.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Numerics.Vectors.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemDrawing.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Forms.Primitives.resources.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationTypes.resources.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-pl.xrm-ms.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial-ul-oob.xrm-ms.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ea-sym.xml.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.AccessControl.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTrial-ppd.xrm-ms.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-pl.xrm-ms.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\icu.md.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-ul-phn.xrm-ms.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-pl.xrm-ms.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\VOLTAGE.WAV.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome.dll.sig.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\th.pak.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ar.pak.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\dom.md.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-pl.xrm-ms.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-80.png.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\NIRMALA.TTF.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad\osknumpadbase.xml.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Printing.dll.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\joni.md.tmp	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.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	1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe

C:\Users\Admin\AppData\Local\Temp\1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe
"C:\Users\Admin\AppData\Local\Temp\1af25448d576eab96fc2db5f3f2224fc5a287792958fc09b09c456018a20a8e3N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1772

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-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
27KB

MD5
b27514cb8bb548d61179d3bddb702aa8

SHA1
4c7ba7106beaab0f1ee7b606db567ed8bfd7f37a

SHA256
43eeacc72f29824f2872b963865dcff299a0284c3e8807cfd56baa26fbbf72d0

SHA512
b06b4ba0a0cf69853a2066661f45c5b1d0039a261037c25de18ff66ef2f5b6aa0e86f831c95bbdf0423ee2c57e7f1dfcc01ff88349768626c24433fd456510b1

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

Filesize
125KB

MD5
845e10840a0590e545d674f393042e0a

SHA1
504d95eaa6ee2b54b804da64159cb5e0745c2c34

SHA256
8af1fac6fa5b1d54f6173def07d5518052620ee3bb6ee172c6a5c03bf268f286

SHA512
1bec063fa7a460286cb60aff336e1bf12225c2cede8ae783a426b60c67c60d651278544378b1033fc7d46fa6681497885592f95792d894329889013f7cffa99e

Download Submit
memory/1772-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1772-1020-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download