f6453abc1cdb1edc6cea55032b8256e0485039714d6501f913a722bfbf1e8b6b

Analysis

max time kernel
119s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/08/2024, 13:00

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General

Target

2f0805fa1753f1e78b4230002d023320N.exe
Size

52KB
MD5

2f0805fa1753f1e78b4230002d023320
SHA1

53ab1d5833e0794d1b2691ca04dd6031579568e5
SHA256

f6453abc1cdb1edc6cea55032b8256e0485039714d6501f913a722bfbf1e8b6b
SHA512

3b3ae8a337ee21701aa1d8ed5687f1995d86aeedaba581ae410b687b6d30b9d547441ffa79577eec34bf8a5a2f167f59725da720597bed7c51dd6987b0c58007
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFz9:CTWn1++PJHJXA/OsIZfzc3/Q8zxY5DSv

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4643) 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/1844-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0003000000022ab1-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/1844-905-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.ConnectionUI.Dialog.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-80.png.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipRes.dll.mui.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encodings.Web.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\WindowsFormsIntegration.resources.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Client\C2R64.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.DCF.DCF.x-none.msi.16.x-none.xml.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.Win32.Registry.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_MoveDrop32x32.gif.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy.jar.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_COL.HXC.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\fr-FR\msinfo32.exe.mui.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-math-l1-1-0.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessVDI2019_eula.txt.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\SOLVER\SOLVER.XLAM.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.TextWriterTraceListener.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\cryptix.md.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\jpeg.md.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ul-oob.xrm-ms.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONGRAPHICS.DLL.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\TipRes.dll.mui.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.Lightweight.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationTypes.resources.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_KMS_Client-ppd.xrm-ms.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\WindowsBase.resources.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ul-oob.xrm-ms.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ul-phn.xrm-ms.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeServiceBypassR_PrepidBypass-ul-oob.xrm-ms.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-interlocked-l1-1-0.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.MemoryMappedFiles.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Forms.Primitives.resources.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\optimization_guide_internal.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunjce_provider.jar.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-pl.xrm-ms.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTrial-ul-oob.xrm-ms.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.scale-180.png.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\IpsMigrationPlugin.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Extensions.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.Design.resources.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Design.Editors.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\trusted.libraries.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-pl.xrm-ms.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\fi\msipc.dll.mui.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\tabskb.dll.mui.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\dynalink.md.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.AccessControl.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationClientSideProviders.resources.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ul.xrm-ms.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_MAK_AE-ppd.xrm-ms.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-pl.xrm-ms.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\7-Zip\Lang\io.txt.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVFileSystemMetadata.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main.xml.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-pl.xrm-ms.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-ul-phn.xrm-ms.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ppd.xrm-ms.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.FileSystem.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.Queryable.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.VisualBasic.dll.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightItalic.ttf.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_K_COL.HXK.tmp	2f0805fa1753f1e78b4230002d023320N.exe
File created	C:\Program Files\7-Zip\Lang\bn.txt.tmp	2f0805fa1753f1e78b4230002d023320N.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	2f0805fa1753f1e78b4230002d023320N.exe

C:\Users\Admin\AppData\Local\Temp\2f0805fa1753f1e78b4230002d023320N.exe
"C:\Users\Admin\AppData\Local\Temp\2f0805fa1753f1e78b4230002d023320N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1844

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
52KB

MD5
e89cff8ad4228ff0e086cbb4db891770

SHA1
8564b042e019ddfef9cd3de74c392c4f4d2b2efe

SHA256
70b9372409be27ab722ee1d148bb89b694916ccecc98246d7c31c27236debfd5

SHA512
947a63a47d6141d56a73188ad704a67e6c155473e05163d230568097fc64fdc656d2a89aaded2e935f89c5769f46dea36dfd09e27f927970a8f066d625528e9c

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

Filesize
151KB

MD5
09e3cd0a168947c8d0c5dd1aa7a3222c

SHA1
b8a090d316ea34ceec467cf713a491915b60389d

SHA256
fcc68dda1d63de480dda335933d00c8d067746aed136525fe91484cf3eb1bfcc

SHA512
7f0a0ef72191d3ffdcec646bb9e8c31f9f716815ad7535a3bd8190ce20f9a8d1f55fd281c53e3816e30bfa3f0b96181a099159fa829528af511d6a860d21e7d6

Download Submit
memory/1844-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1844-905-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download