a02f3d45869ba82f75600ed3d5000a7c29736765ff3b2925a1f067cb78980077

Analysis

max time kernel
120s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240730-en
resource tags

arch:x64arch:x86image:win10v2004-20240730-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 11:23

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General

Target

983a055e54721c02af3aec011dc34930N.exe
Size

110KB
MD5

983a055e54721c02af3aec011dc34930
SHA1

0df890f1d44ff0c833c9ffe644986976cec485b9
SHA256

a02f3d45869ba82f75600ed3d5000a7c29736765ff3b2925a1f067cb78980077
SHA512

e20453227213d23e5d3a45b8dc00cd1d9efed2751b5698fd5626d39b3dbf18b721688e663ddecc77204b8357cc1b91b33ba7a7798e2622b669beaa949e558090
SSDEEP

3072:6e7WpMaxeb0CYJ97lEYNR73e+eKZOf7fHegeh:RqKvb0CYJ973e+eKZOf7fHPM

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4361) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.Emit.Lightweight.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Java\jre-1.8\bin\fxplugins.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Java\jre-1.8\bin\keytool.exe.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Java\jre-1.8\lib\currency.data.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription2-pl.xrm-ms.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Quic.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Design.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\default_apps\external_extensions.json.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\directshow.md.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ul-oob.xrm-ms.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad.xml.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.Extensions.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-ul-oob.xrm-ms.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Overlapped.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jjs.exe.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-ppd.xrm-ms.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription5-ul-oob.xrm-ms.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ul-oob.xrm-ms.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ul-phn.xrm-ms.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.DataWarehouse.Interfaces.DLL.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationCore.resources.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework-SystemData.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Windows.Forms.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Top Shadow.eftx.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_OEM_Perp-pl.xrm-ms.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ppd.xrm-ms.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PowerPointNaiveBayesCommandRanker.txt.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GFX.DLL.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\7-Zip\Lang\gu.txt.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.XPath.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationProvider.resources.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-stdio-l1-1-0.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\accessibility.properties.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeServiceBypassR_PrepidBypass-ul-oob.xrm-ms.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONDIRECTX.DLL.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jp2ssv.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\word2013.dotx.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ro-RO\tipresx.dll.mui.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ul-phn.xrm-ms.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail-pl.xrm-ms.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\FOLDER.ICO.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipTsf.dll.mui.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-string-l1-1-0.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Buffers.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Input.Manipulations.resources.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\UIAutomationClient.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\access-bridge-64.jar.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Grace-ppd.xrm-ms.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\7-Zip\Lang\tt.txt.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\mshwLatin.dll.mui.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Mail.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.Design.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationTypes.resources.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Java\jre-1.8\bin\orbd.exe.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00A1-0000-1000-0000000FF1CE.xml.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ko-kr.xml.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\Common Files\System\msadc\msdaremr.dll.tmp	983a055e54721c02af3aec011dc34930N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clrjit.dll.tmp	983a055e54721c02af3aec011dc34930N.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	983a055e54721c02af3aec011dc34930N.exe

C:\Users\Admin\AppData\Local\Temp\983a055e54721c02af3aec011dc34930N.exe
"C:\Users\Admin\AppData\Local\Temp\983a055e54721c02af3aec011dc34930N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4204

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-1-5-21-2077438316-259605770-1264560426-1000\desktop.ini.tmp

Filesize
110KB

MD5
cae7df977ba9dbe154db9bea727b0965

SHA1
4cc05b98b5e3bcd4db1ae536b5f4eceb3362f2f8

SHA256
deab9d10ede868aa5c7897bc790f92b83a4f656ec8b5aa9e20ab9046c84ecd56

SHA512
b4b0d896c00d1871ba69d69b3e2671ca53e12fa9c3e4024377b8ad81cb0f8068e68b4c91ff5bde6e42e5f9c20994028c483c704665b7cea29c78aa9058d6b9d1

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

Filesize
209KB

MD5
3213b8143a375eb9859dba0b98f85150

SHA1
97566a07f87152c2171eb46261872703579254d1

SHA256
a8d0911f1a6624df482c92e13eb3f557a729a7f3ccf21f9d21d74c7c7441acf5

SHA512
d16e68a6804c0718ab84d0db23cd4d5ac75f5796f53d84a1afb2b575870b7c1e90a92dff22fd96d84bcd7ca6a37938959ef2cf786cfc8f3d9c124df58b8d139a

Download Submit