1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fad

Analysis

max time kernel
120s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 06:49

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General

Target

1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
Size

119KB
MD5

372813f63d43e5312479b88e909035a0
SHA1

8d2e39eb7a409db7e3683e73ae98fcc3472f0043
SHA256

1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fad
SHA512

04339837977322ccd534b2520234e5057cd0eb23beadf3d07dc25563848d6604ef26e0fea66bec32ebdbd50c8d6c650bf26cac94f3dba0ac9fa048b5de40d087
SSDEEP

3072:6e76BtEkoIAkeF0RNyreZ8PRmqIZq9awE0ctUiQF2vUHFe+0AkyyDfEmU0RFWy:Re/EUX

Score

9^/10

discovery ransomware

Malware Config

Signatures

Renames multiple (4322) 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.WindowsDesktop.App\7.0.16\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Forms.Primitives.resources.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Java\jdk-1.8\lib\ir.idl.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrcommonlm.dat.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp2-pl.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-ppd.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sl-si.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationFramework.resources.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\thaidict.md.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ppd.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ul-oob.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-ul-oob.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Common Files\System\de-DE\wab32res.dll.mui.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Xaml.resources.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\UIAutomationClient.resources.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ro.pak.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Cambria.xml.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Retail-pl.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipscht.xml.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Common Files\System\ado\msadomd28.tlb.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.VisualBasic.Forms.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Java\jdk-1.8\include\jdwpTransport.h.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Organic.thmx.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Candara.xml.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Proof.Culture.msi.16.en-us.xml.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-pl.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Http.Json.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\JavaAccessBridge-64.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\java_crw_demo.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\System.Windows.Input.Manipulations.resources.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_OEM_Perp-ul-oob.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe.config.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-ul-oob.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ul-phn.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\vcruntime140_1.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-synch-l1-2-0.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-ul-phn.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\7-Zip\7z.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Common Files\System\ado\msador15.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Internet Explorer\it-IT\ieinstal.exe.mui.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\THIRDPARTYLICENSEREADME.txt.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\flavormap.properties.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Trial-ul-oob.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Gothic.xml.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_KMS_Client-ppd.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Common Files\microsoft shared\Source Engine\OSE.EXE.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Forms.Primitives.resources.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2iexp.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppvIsvSubsystems64.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ppd.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTrial-pl.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_MAKC2R-ppd.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msdaprsr.dll.mui.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.TypeConverter.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Linq.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\WindowsFormsIntegration.resources.dll.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0409-1000-0000000FF1CE.xml.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ul-oob.xrm-ms.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
File created	C:\Program Files\7-Zip\Lang\an.txt.tmp	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.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	1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe

C:\Users\Admin\AppData\Local\Temp\1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe
"C:\Users\Admin\AppData\Local\Temp\1fbecc3887ba3b68ce982416907116f88d325fe5238bc45587e78a9569c33fadN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1580

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
120KB

MD5
e988e2f844dd45c1fdd268d3d34f7a40

SHA1
c0a81712a9377d9e1eb720ce6cb48128e3e50496

SHA256
a88f1706f10e2eb5a475c5fe9d4f2d60080ac905e2d4c92732bb4e2c88a50243

SHA512
a392a5dd95d0fd85e619803bcd4fe917571c3624b73e965d514d7bab52e20e971b1a192e2ec01244786d861ded10a5c236370728a84b404cdf41e91f2d3ad4df

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

Filesize
218KB

MD5
65be118c8f3b1e0b4ef90cc74b786345

SHA1
b88aa4e7eee5060f78bd16a184c931729a64ce56

SHA256
bb5acbd51c919e999581d727e635270c5887027cae86c585e98f19cd1d5f4d98

SHA512
2426f489c2ab3c15133a83e315617b47db16a05a8836d6ce2916e7a212e9cd592ccbd2236c04e42fa6e92fb211e19d1dbce99ceba7cfe79839afe9df83b97872

Download Submit