5e0706af1d81dd7b1c478e2c7e2864354eebb32701b92f087a337746bca8778b

Analysis

max time kernel
119s
max time network
112s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/08/2024, 17:27

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6f3f88a300ff657cc48332b20f2c8970N.exe
Size

85KB
MD5

6f3f88a300ff657cc48332b20f2c8970
SHA1

eaa7298f035ff07e1d0660b8ed231ddc3a00acd6
SHA256

5e0706af1d81dd7b1c478e2c7e2864354eebb32701b92f087a337746bca8778b
SHA512

a2d21faea77df5a1471a6e3eeb13d6fcbfec391d482d1dd1877b5b49d726009c06625f1c4578291fcbe3bc8fea0166c5243525be05318fae671a1e0a5c4399ec
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxQiKJAWJA0:fnyiQSoP

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4616) 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/3384-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000234c5-2.dat	upx
behavioral2/files/0x000c0000000220a6-6.dat	upx
behavioral2/memory/3384-798-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-time-l1-1-0.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsBase.resources.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\PresentationCore.resources.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaTypewriterRegular.ttf.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-80.png.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\7-Zip\Lang\io.txt.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsFormsIntegration.resources.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Controls.Ribbon.resources.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationProvider.resources.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_KMS_Automation-ul-oob.xrm-ms.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.NameResolution.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_KMS_Client-ul.xrm-ms.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\7-Zip\Lang\uz-cyrl.txt.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.Specialized.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\System.Windows.Forms.resources.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_MAK_AE-pl.xrm-ms.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemDrawing.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Java\jre-1.8\bin\instrument.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.scale-140.png.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationClientSideProviders.resources.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.SystemEvents.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Forms.resources.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jjs.exe.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\basicsimple.dotx.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Common Files\System\msadc\msdaprst.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.FileSystem.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Forms.resources.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ppd.xrm-ms.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelFloatieTextModel.bin.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial-ppd.xrm-ms.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymsl.ttf.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msvcr120.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Buffers.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\WindowsFormsIntegration.resources.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaprsr.dll.mui.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\WindowsFormsIntegration.resources.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\policy\unlimited\local_policy.jar.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTrial-ppd.xrm-ms.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Input.Manipulations.resources.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\giflib.md.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunpkcs11.jar.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-oob.xrm-ms.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-pl.xrm-ms.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.scale-180.png.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Input.Manipulations.resources.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-synch-l1-1-0.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_F_COL.HXK.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\BI-Report.png.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000008\FA000000008.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\InputPersonalization.exe.mui.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Concurrent.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Sockets.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationTypes.resources.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-ul-phn.xrm-ms.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\OFFICE.DLL.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\msquic.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jfr\default.jfc.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-phn.xrm-ms.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.Native.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationNative_cor3.dll.tmp	6f3f88a300ff657cc48332b20f2c8970N.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	6f3f88a300ff657cc48332b20f2c8970N.exe

C:\Users\Admin\AppData\Local\Temp\6f3f88a300ff657cc48332b20f2c8970N.exe
"C:\Users\Admin\AppData\Local\Temp\6f3f88a300ff657cc48332b20f2c8970N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3384

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

Filesize
85KB

MD5
7b4ca177bf474f4511fb3f15ca30a7bc

SHA1
fd6b6f237fcfa57ec5ba7de5c78315b73dad85f6

SHA256
07ad9cec2e8e863d1d768fcc5915d2ea35f5e8b0734458ef057c47030b9c4b43

SHA512
055f633e7ab73fe1976b4b2ce3caa536816eb44fdb64108365dc7e909c3dd6eb7fa5b458ff452922fcfdaa1ccf57ec1a794bccd2ebb821dec3390bcebdbc36f5

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

Filesize
184KB

MD5
1c26ec0cee35d2cfb9857c516ad5720e

SHA1
e3fe9e202db695e55b0b1ae2a363a51ed2d8c658

SHA256
a62696b299eb55213f94635817858a60f1f5b2bceda9d5818c0a11b9a980a134

SHA512
fe137a02df13509d0e74d61d6efb84d1911e0a9514632c1c38eb7da744b5d10d992154ceb68a9b82ec8d91f2a210c48da98d639c70afac8603ae86fe8903e2fa

Download Submit
memory/3384-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3384-798-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download