f9df1e6e4f5ac529d65d4301388d151a6f2ae1afeefcef14cb60193d6c84dc48

Analysis

max time kernel
120s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
17-08-2024 03:30

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General

Target

8bee516caf4dc6c40c52510da7127180N.exe
Size

89KB
MD5

8bee516caf4dc6c40c52510da7127180
SHA1

76d6cc67b5e4e5c32e8cf5948f6b4d3f2c079d9d
SHA256

f9df1e6e4f5ac529d65d4301388d151a6f2ae1afeefcef14cb60193d6c84dc48
SHA512

8ea0dcc76022b88622eaecc887846569d76ac32a4642144ff3579a30517670c48df37c03bf43df49c88328bc695c165248ad7116c819007f08111d2fe00684f5
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxQiKJAWJAK:fnyiQSoh

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4626) 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/1612-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000234c6-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/1612-860-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Controls.Ribbon.resources.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Xaml.resources.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_MoveNoDrop32x32.gif.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Java\jre-1.8\bin\lcms.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ul-phn.xrm-ms.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\TURABIAN.XSL.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-white_scale-80.png.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Primitives.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationCore.resources.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-synch-l1-1-0.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ul-oob.xrm-ms.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\wxpr.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription5-ppd.xrm-ms.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-ppd.xrm-ms.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail-pl.xrm-ms.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.VisualStudio.Tools.Applications.Runtime.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Common Files\System\ado\msador28.tlb.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationClientSideProviders.resources.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationTypes.resources.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ms.pak.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-pl.xrm-ms.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ppd.xrm-ms.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-ppd.xrm-ms.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-100.png.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationProvider.resources.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationTypes.resources.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.ProtectedData.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-synch-l1-2-0.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-pl.xrm-ms.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-pl.xrm-ms.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\kn.pak.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\idlj.exe.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Red Orange.xml.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationClient.resources.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Extensions.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WORD_WHATSNEW.XML.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Java\jre-1.8\bin\WindowsAccessBridge-64.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Java\jre-1.8\lib\cmm\sRGB.pf.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AuthoredExtensions.16.xml.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial3-ul-oob.xrm-ms.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-ul-oob.xrm-ms.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\IEEE2006OfficeOnline.xsl.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Trial-ul-oob.xrm-ms.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\it-IT\msinfo32.exe.mui.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ReachFramework.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Forms.Primitives.resources.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\j2pkcs11.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\tzmappings.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-time-l1-1-0.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_MAK-pl.xrm-ms.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-ppd.xrm-ms.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationCore.resources.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Client\ucrtbase.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.scale-80.png.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.VisualBasic.Core.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sl.pak.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\sRGB.pf.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\shaded.dotx.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-black_scale-100.png.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-environment-l1-1-0.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Common Files\System\msadc\msadce.dll.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\oledb32r.dll.mui.tmp	8bee516caf4dc6c40c52510da7127180N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebProxy.dll.tmp	8bee516caf4dc6c40c52510da7127180N.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	8bee516caf4dc6c40c52510da7127180N.exe

C:\Users\Admin\AppData\Local\Temp\8bee516caf4dc6c40c52510da7127180N.exe
"C:\Users\Admin\AppData\Local\Temp\8bee516caf4dc6c40c52510da7127180N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1612

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-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

Filesize
89KB

MD5
4d65da456a56c130d6790cc2f74681d7

SHA1
3073885767cf5cc549982a499a63fa18783ed490

SHA256
e68599cabbe9b1ab141745ec9d89837956a88c2c3ab6e95dc4df0377a76963ae

SHA512
ae8a4af4e1d0bf846cd56813ce37aa4e535ba6670eb01bf663b9a530ff9f8bdbf9825f319cea07f1f1800d2a3e52a8362c648d3024609017fd0074f75dac687f

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

Filesize
188KB

MD5
35c5456218ae2cfe16f1058cc90270de

SHA1
05b7a5d63b44e2248c14f34fb44e44c14f6ba64d

SHA256
0a25e53af950b6046df93f4611b8124f79182df099317569b7803a7231d24e90

SHA512
92b189a30dda5978154edabb5bbb3df948829a3bc6e6d2443f48f28d465591e6e2257d04c8ee8ea109ef9a2d8318481a4362b4746c754a60983d0dd628db41a4

Download Submit
memory/1612-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1612-860-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download