d9a067149f8e9a4bb79b4322f66c5b86e21244b223a95337256838f760a6b16d

Analysis

max time kernel
120s
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 07:07

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General

Target

f47ea9b4133d59f3384b2ded02f4afc0N.exe
Size

44KB
MD5

f47ea9b4133d59f3384b2ded02f4afc0
SHA1

f6b2eb5b9745d3da4e157ae36f9dc2a695c90e57
SHA256

d9a067149f8e9a4bb79b4322f66c5b86e21244b223a95337256838f760a6b16d
SHA512

198dc0543cfcc2c18df0a0388e374f8685f7d508f8df6f1bbab5b1bcd60189fe32a68b38d7c9d19d73010e6c06a358571f4f3ff0b28efec9df4203a00eabfc51
SSDEEP

384:FBt7Br5xjL2Kd5AsAoh6n5eaOlIBXDaU7CPKK0TIh6SjeYDTcYDTkZW8b88:V7Blpf/FAK65euBT37CPKK0SjeQ8

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4648) 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/3744-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233ef-2.dat	upx
behavioral2/files/0x00080000000233f6-6.dat	upx
behavioral2/memory/3744-862-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\lib\content-types.properties.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-pl.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-ul-oob.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXC.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msadcor.dll.mui.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.AeroLite.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightRegular.ttf.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Extensions\external_extensions.json.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Common Files\System\ado\msado28.tlb.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.X509Certificates.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Forms.resources.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Intrinsics.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Royale.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-string-l1-1-0.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.ConnectionUI.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Java\jdk-1.8\COPYRIGHT.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaSansDemiBold.ttf.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-ppd.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\System.Windows.Forms.resources.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Trial-pl.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.WindowsDesktop.App.deps.json.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-processthreads-l1-1-1.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Franklin Gothic.xml.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ppd.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationProvider.resources.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16ConsumerPerp_Bypass30-ppd.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-ul-oob.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Forms.resources.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-ul-phn.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\pkcs11wrapper.md.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-pl.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-ppd.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Trial-ppd.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\mshwLatin.dll.mui.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\InputPersonalization.exe.mui.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Input.Manipulations.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ul-oob.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\officeinventoryagentlogon.xml.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-180.png.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TipTsf.dll.mui.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Xaml.resources.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\d3dcompiler_47.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationFramework.resources.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\pt-PT.pak.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages.properties.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ul-oob.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fr-fr.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\host\fxr\8.0.2\hostfxr.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\msotdintl.dll.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.scale-80.png.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\icudtl.dat.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe.tmp	f47ea9b4133d59f3384b2ded02f4afc0N.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	f47ea9b4133d59f3384b2ded02f4afc0N.exe

C:\Users\Admin\AppData\Local\Temp\f47ea9b4133d59f3384b2ded02f4afc0N.exe
"C:\Users\Admin\AppData\Local\Temp\f47ea9b4133d59f3384b2ded02f4afc0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3744

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-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
44KB

MD5
47c278bf8b1d97ae3f2e4bae63247e4a

SHA1
5de9be91a98ccbaa22a704ade52510bdddc1e876

SHA256
09b270735529f78a4c2cbad97cfc8b1d4c4dd2db321d5209693c4e6e8c5250ea

SHA512
40cf9f0d7c9897cd3b783b94b19f27e87ffdd11fe6d89f7d8276da471de5dab910c537d260359b53af90895181deacac2cdf428975da321be90510798a5a47fa

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

Filesize
143KB

MD5
20308fd3a48ab55484492aa03c621836

SHA1
b2cfcf15e5bc75c5edc569dfa8b015f55f48a424

SHA256
e34195c45ca5b91bd1d03559a894f8cfe5105de78138bc53fc8e5da917be3a97

SHA512
71f8d957843a4221924e77b3eb2d152a5c8c28476d422c9d8885d6bfea7eefdaf431bb0cbd7b2fbbab82579e07735d19936056f03248a18cb2d7b2e40381e873

Download Submit
memory/3744-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3744-862-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download