7d4a93ab50a3247461ce30e2684d30f5b16054fd59a0d7c1e8bebd5b3c203a0e

Analysis

max time kernel
119s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01/09/2024, 14:47

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General

Target

7fc6d121a413c9cebbafd2425f769000N.exe
Size

46KB
MD5

7fc6d121a413c9cebbafd2425f769000
SHA1

ed821d5fe01006d064cf530d69ca550f033c3fe6
SHA256

7d4a93ab50a3247461ce30e2684d30f5b16054fd59a0d7c1e8bebd5b3c203a0e
SHA512

fb243a65f3b508b8684c2ac789f5b4c0fb1a4f5e9b85625d555e40a17ba2f8bb536206b547d24a89084d3bee83c877044c1c6ce33f477f1965d066d8b0d6cd8d
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcwBcCBcw/tio/tiWkjk2yyyd:CTW7JJ7TTQoQWkjk/Td

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4642) 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/3940-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000900000002346a-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/3940-861-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk-1.8\include\win32\jawt_md.h.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_KMS_Automation-ul-oob.xrm-ms.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\msjet.xsl.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\mshwLatin.dll.mui.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.Primitives.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\ecc.md.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\VVIEWRES.DLL.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\C2R64.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\flat_officeFontsPreview.ttf.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Grace-ul-oob.xrm-ms.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.FileSystem.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XPath.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ja.pak.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-ppd.xrm-ms.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-pl.xrm-ms.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\msquic.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsrom.xml.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationClientSideProviders.resources.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001F-0C0A-1000-0000000FF1CE.xml.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.PowerPoint.PowerPoint.x-none.msi.16.x-none.xml.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ul.xrm-ms.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-processthreads-l1-1-1.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\TipRes.dll.mui.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Input.Manipulations.resources.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\santuario.md.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0000-1000-0000000FF1CE.xml.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.MashupEngine.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\msinfo32.exe.mui.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_MAK-pl.xrm-ms.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ul-oob.xrm-ms.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\hu\msipc.dll.mui.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\oledb32r.dll.mui.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT_F_COL.HXK.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\DBGCORE.DLL.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Common Files\System\msadc\msadco.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Extensions.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSMUX.OSMUX.x-none.msi.16.x-none.xml.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial1-pl.xrm-ms.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\mshwLatin.dll.mui.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Resources.Writer.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PenImc_cor3.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Forms.Design.resources.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-phn.xrm-ms.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ppd.xrm-ms.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\lpc.win32.bundle.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-white_scale-100.png.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\StreamServer.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.NameResolution.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.VisualBasic.Forms.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Java\jre-1.8\bin\server\jvm.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Java\jre-1.8\LICENSE.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\+Connect to New Data Source.odc.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.Win32.Registry.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\PresentationUI.resources.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Grace-ul-oob.xrm-ms.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-140.png.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.Pkcs.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgePackages.h.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.scale-180.png.tmp	7fc6d121a413c9cebbafd2425f769000N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	7fc6d121a413c9cebbafd2425f769000N.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	7fc6d121a413c9cebbafd2425f769000N.exe

C:\Users\Admin\AppData\Local\Temp\7fc6d121a413c9cebbafd2425f769000N.exe
"C:\Users\Admin\AppData\Local\Temp\7fc6d121a413c9cebbafd2425f769000N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3940

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
47KB

MD5
4ee9b33128876789cbd7122c27dccd2b

SHA1
d3d9d4b1e5d2f3d4c378603dbf42ae939d173129

SHA256
e4bb0ddfdd34e2317edb56dcd2a2966e853f9c5d5b7edf6aff77225f17099b69

SHA512
ea7f344913539fae2c7ef71fd074f4860a7c13d5f704eacd853af341a294d221620b790e9c5e961674595de39a72ffc450cd5295ba7fb9ae1c5e00bf40ae5327

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

Filesize
146KB

MD5
d804e73b4009613fa335fb298734d3ed

SHA1
5576667b8e5214371d7260e149e85a2f8056efd8

SHA256
c72d17a3de4e9d443d3de33010bff37af275d76d558d56f376c736d9096f5d18

SHA512
a380c91de569372602dc2f123d98affc0228c6ed2cc99206b6ddb8b2f1eb136080d6794cd4d26cef0bc9be87fcf0c1ee4976345c9fce66ba7dcd1f74971c5d1c

Download Submit
memory/3940-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3940-861-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download