bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05

Analysis

max time kernel
149s
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
02/09/2024, 03:14

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Report Analysis Logs

General

Target

bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
Size

79KB
MD5

b3c657fc11620a05687208fab41e2b57
SHA1

81fb987a864d2e0e65219fb08b80fb619ced2f7f
SHA256

bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05
SHA512

178e87bc4a210fe5dc40e18fad4edb832f9c36be3dd79e55c64911f102abd47d1e556935af34e2119bc928a561c840d2dd5e1574c0338305421afb196176cccf
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJBZBZaOAOIB3jM2jMO/7OSPmtcgmq45/4o:V7Zf/FAxTWoJJB7LD2I2IbSPmugmq4h

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5194) 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/1080-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233bc-2.dat	upx
behavioral2/files/0x000c0000000220a6-6.dat	upx
behavioral2/memory/1080-910-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ul-oob.xrm-ms.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-pl.xrm-ms.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\TabTip.exe.mui.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Common Files\System\msadc\msadcor.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.CompilerServices.Unsafe.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.resources.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ar.pak.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.manifest.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCONTROL.DLL.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\mshwLatin.dll.mui.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.DataContractSerialization.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Grace-ul-oob.xrm-ms.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Internet Explorer\hmmapi.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-pl.xrm-ms.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-ppd.xrm-ms.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\Office Word 2003 Look.dotx.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\WindowsBase.resources.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Threading.AccessControl.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\lpc.win32.bundle.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL112.XML.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000049\StoreLogo.png.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ValueTuple.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ul-phn.xrm-ms.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-140.png.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONFILTER.DLL.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PG_INDEX.XML.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Xaml.resources.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-heap-l1-1-0.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\[email protected]	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-ul-oob.xrm-ms.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.HttpListener.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.VisualBasic.Core.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Grace-ul-oob.xrm-ms.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\vfs\Fonts\private\CalibriLI.ttf.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\7-Zip\Lang\hu.txt.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ppd.xrm-ms.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ppd.xrm-ms.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ul-oob.xrm-ms.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\cacerts.pem.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Core.NetFX35.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\PowerPivotExcelClientAddIn.tlb.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msvcr120.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ObjectModel.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\nashorn.jar.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Java\jdk-1.8\LICENSE.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\cursors.properties.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\shaded.dotx.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe.config.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000018\cardview\lib\native-common\assets\[email protected]	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Specialized.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.Win32.SystemEvents.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\directshow.md.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\meta-index.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteFreeR_Bypass-ul-oob.xrm-ms.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTrial-ul-oob.xrm-ms.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PersonaSpy\office.core.operational.js.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\zh-TW\tipresx.dll.mui.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Formats.Asn1.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationTypes.resources.dll.tmp	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.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	bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe

C:\Users\Admin\AppData\Local\Temp\bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe
"C:\Users\Admin\AppData\Local\Temp\bc49a3c646ce2343a9e7ea393a717dc7318606e890a76f4718412a0cb3270b05.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1080

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-1-5-21-523280732-2327480845-3730041215-1000\desktop.ini.tmp

Filesize
80KB

MD5
83aa77eb17757efaeb74a995a4a1822a

SHA1
23bdd520d9d80dc22178ae4631f2b41fc8ebcafe

SHA256
b591459f62d0b2aaa7e456e670716b37be48c7ecbaac8ff55ce36dd2ee239675

SHA512
82ad335c65059536d6803bd668d7f5eaad47d804ec96a7eb2b74e06d6893b3f2896c6ed8335dcc28f615788d2e788e7e1bd375114bc7f9c3752b354e145f6042

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

Filesize
178KB

MD5
277e304150ce717718f6ea02dbb5b585

SHA1
6cbfc27a9bfc219c0f0912f0d45be2ec7bd2e772

SHA256
da4653f9f8cc380d2c6cd97a54458e438aba59a08843cf17caca8800e6e88dce

SHA512
21c261c7ddfb7c7b4c965aba29c67e217596d2639a90ab7529d147dedf4666a1e7fbf160fb20938d14750f28da5a2728dcd9c44b8c375436128d88ef00009c99

Download Submit
memory/1080-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1080-910-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download