2cb419b629dbab768641ac57b69b7fdcb5020c0e20620518c753d734309713ea

Analysis

max time kernel
120s
max time network
96s
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, 16:18

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General

Target

c84563325270cad48a25c2945a2156e0N.exe
Size

81KB
MD5

c84563325270cad48a25c2945a2156e0
SHA1

373f03db819c4b0c47bf1d5e702f7417366fb085
SHA256

2cb419b629dbab768641ac57b69b7fdcb5020c0e20620518c753d734309713ea
SHA512

acb33627668438c4e06ead2e990b6e8da95d32eab1838a53cc716befac1c948cf24946760fede7de6351208d415adedc41ce6dc2f2da7837c2c9831a146a6668
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8IZR9TZi9TZ2:fnyiQSo7ZTZcZ2

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4641) 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/3892-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00080000000234d9-2.dat	upx
behavioral2/files/0x00040000000228de-6.dat	upx
behavioral2/memory/3892-852-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-timezone-l1-1-0.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\client-issuance-stil.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ul-oob.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-white_scale-180.png.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemCore.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\vstoee.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\Microsoft.VisualBasic.Forms.resources.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-pl.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_MAKC2R-pl.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\INTLDATE.DLL.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hr-HR\tipresx.dll.mui.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Common Files\System\msadc\msdaprst.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationNative_cor3.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-ppd.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sl-SI\tipresx.dll.mui.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Overlapped.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Transactions.Local.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\Microsoft.VisualBasic.Forms.resources.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RIntLoc.en-us.16.msi.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Common Files\System\msadc\msadds.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdaosp.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscordaccore.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Windows.Input.Manipulations.resources.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.Recommendation.Client.Picasso.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-180.png.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\SUCTION.WAV.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\7-Zip\Lang\kaa.txt.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\msdasqlr.dll.mui.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationTypes.resources.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\mesa3d.md.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\java.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ul-oob.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-pl.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\InputPersonalization.exe.mui.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\UIAutomationProvider.resources.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Controls.Ribbon.resources.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_ViewOnly_ZeroGrace-ul-oob.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-ul-phn.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-oob.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Xaml.resources.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\jpeg_fx.md.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\IEEE2006OfficeOnline.xsl.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mip_upe_sdk.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\7-Zip\Lang\pa-in.txt.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.DataSetExtensions.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationFramework.resources.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-util-l1-1-0.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\webkit.md.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTrial-ul-oob.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Initialization.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-80.png.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Configuration.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Uri.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationFramework.resources.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-ul-oob.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ppd.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Trial-pl.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\images\default\linkedin_logo_small.png.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\WindowsFormsIntegration.resources.dll.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ul-phn.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-ul-oob.xrm-ms.tmp	c84563325270cad48a25c2945a2156e0N.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	c84563325270cad48a25c2945a2156e0N.exe

C:\Users\Admin\AppData\Local\Temp\c84563325270cad48a25c2945a2156e0N.exe
"C:\Users\Admin\AppData\Local\Temp\c84563325270cad48a25c2945a2156e0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3892

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-1-5-21-2718105630-359604950-2820636825-1000\desktop.ini.tmp

Filesize
81KB

MD5
13adb6144efdda77395b19ee2885782c

SHA1
e422876b8032da940691b50d2bbbeff72f5be001

SHA256
c059eba79e80808a7f41da41b889a1b293e02c8e3c47f97956d0d1afa890751a

SHA512
3e8af6af9cd36a0a6c543a9a6b7d2416c4a2ecea73ffbead729b10881ce977dea437fcfa472412be6b00b0629eb7d7d0efa3d627a5871aca9e2dfb77813590bd

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

Filesize
180KB

MD5
e8cf9eca2380754b111ce26b82359fa3

SHA1
ca63a83fd14d44854ab67d0fc9f8bea593ce52ff

SHA256
69e574245804c5a85d923c469375f79663820a2baa62012df13b5e0c209b929a

SHA512
d8c8320e66244f0df46937c0de2da3374ed014463e2504b6375e1be63201bc45c03f6bc58c56a17422b5aa9a39f04a41da616bd4f7d41627363543db88d76900

Download Submit
memory/3892-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3892-852-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download