fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c

Analysis

max time kernel
150s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
09/09/2024, 04:47

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General

Target

fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
Size

57KB
MD5

3861436ed46aeae59b2591352d585d7a
SHA1

d76cd52cb8de1f1902277ed08af6812c70ff861f
SHA256

fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c
SHA512

7c026f90111c7d6fa488001072014b54f8f40449f1717be2cc34ae1e26303fe04c3cbd4744216b606778b441f3d57c93955641fe71f7752e83db06c81165ddb9
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9GRtfxligi1xrligi1xp:V7Zf/FAxTWoJJ7TofxAHXAHd

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5254) 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/3216-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023424-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/3216-928-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\sqlxmlx.rll.mui.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationNative_cor3.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationClientSideProviders.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-file-l1-1-0.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-ppd.xrm-ms.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOSTYLE.DLL.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationCore.resources.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Retail-ul-phn.xrm-ms.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-ul-oob.xrm-ms.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONBttnIELinkedNotes.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad\osknumpadbase.xml.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-oob.xrm-ms.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-utility-l1-1-0.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebHeaderCollection.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XmlDocument.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\Microsoft.VisualBasic.Forms.resources.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\PresentationUI.resources.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-conio-l1-1-0.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-handle-l1-1-0.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Java\jre-1.8\bin\javacpl.exe.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_OEM_Perp-ul-phn.xrm-ms.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ONLNTCOMLIB.DLL.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL020.XML.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hu-hu.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msadcer.dll.mui.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Input.Manipulations.resources.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ppd.xrm-ms.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-pl.xrm-ms.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-pl.xrm-ms.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.Reporting.Common.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-processthreads-l1-1-1.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSBARCODE.DLL.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Core.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Windows.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.AppContext.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsBase.resources.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri-Cambria.xml.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-ul-oob.xrm-ms.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\basicsimple.dotx.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Emit.ILGeneration.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\WindowsBase.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationTypes.resources.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\[email protected]	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ul-oob.xrm-ms.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\hive.xsl.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\PersonalMonthlyBudget.xltx.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\7-Zip\Lang\uz-cyrl.txt.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Common Files\System\ado\adojavas.inc.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\msdasqlr.dll.mui.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ppd.xrm-ms.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTest-ppd.xrm-ms.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-180.png.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Formats.Tar.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jfxmedia.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-white_scale-80.png.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\EQUATION\msvcp140.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskclearui\oskclearuibase.xml.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Dynamic.Runtime.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.Primitives.resources.dll.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow Orange.xml.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-pl.xrm-ms.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\7-Zip\Lang\kab.txt.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
File created	C:\Program Files\7-Zip\Lang\sw.txt.tmp	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.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	fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe

C:\Users\Admin\AppData\Local\Temp\fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe
"C:\Users\Admin\AppData\Local\Temp\fb92cd33504b88c0f1fe46be1f295656fa25d4e9a2d6f044f8360369f1f2c76c.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3216

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
57KB

MD5
d45fbdb1e49eaf8d0955a5cf282b5aa0

SHA1
7b86a3dbc4a68109acae28c84b5eafbcf40e4c83

SHA256
5ae7d1f5747f26cab94875c482209bc4bc3006659e51fd748da40fa12e1a8c23

SHA512
e6c3d0c2fdfc210642f497af6a7bf6c9ec0287d1bf24cba16108d0a482e86d0d925b5ac0c8be3fac55a66401c02040515ae466e42145172251436aee4578a8d4

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

Filesize
156KB

MD5
33a915acf1f51f6dd88a512f773d795a

SHA1
744de40952fccd2f4d5e1ac41cd8c0438ffddfd6

SHA256
849378ee514a903cd75bf71ed059b145e9d0a1dcd96d9097ac003710ae40b5d9

SHA512
8549e446b29f1f1ff9fc676d810b3cf75eae12f22613afae5cf8ae0f39cd3d2bdf0b56c2f8c04d1d15370c09d590e2346141e613882aa6ef02af212fe728d2c8

Download Submit
memory/3216-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3216-928-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download