519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 02:44

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General

Target

519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
Size

67KB
MD5

b22142531dd0048dd5bcd46f5b49f170
SHA1

94afdadc5461d3f0f3f2076772f7802c209c69e2
SHA256

519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8
SHA512

fe8b49fa1b638766e5de3050a5c2e3df90ea2c2447563108f703d089dd959e707cd708b11940ee28fcb08389198ee8af3b46a4036685683206b8676a548089ea
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcwBcCBcw/tio/tiK4fZ9Z3U:V7Zf/FAxTWoJJ7TTQoQI

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4640) 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/3256-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233a2-2.dat	upx
behavioral2/files/0x00040000000228de-6.dat	upx
behavioral2/memory/3256-910-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial1-ul-oob.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial1-ppd.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_MAK-ul-phn.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.ReportingServices.DataExtensions.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\ja-JP\msinfo32.exe.mui.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\mesa3d.md.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Client\AppvIsvSubsystems64.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-pl.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.PPT.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\tzmappings.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Grace-ppd.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Forms.Design.resources.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\wsdetect.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\ecc.md.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-pl.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Document.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\7-Zip\Lang\eo.txt.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\7-Zip\Lang\sk.txt.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.EventBasedAsync.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.OData.Edm.NetFX35.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-ul-oob.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-ul-oob.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Trial-ppd.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AugLoop\bundle.js.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-180.png.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.HttpListener.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationCore.resources.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Internet Explorer\ieinstal.exe.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_OEM_Perp-ul-phn.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\Sybase.xsl.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\ShapeCollector.exe.mui.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ppd.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription4-ppd.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationTypes.resources.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteFreeR_Bypass-ppd.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTest-ppd.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-ul-oob.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTrial-ppd.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\System.Spatial.NetFX35.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Input.Manipulations.resources.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-ppd.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\Microsoft.VisualBasic.Forms.resources.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-ul-oob.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ppd.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.ThreadPool.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.resources.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\WindowsBase.resources.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Drawing.Design.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVPolicy.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\tabskb.dll.mui.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Tasks.Dataflow.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql90.xsl.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-util-l1-1-0.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\java_crw_demo.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-private-l1-1-0.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Trial-pl.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail3-ppd.xrm-ms.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Accessibility.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationClientSideProviders.resources.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\WindowsBase.dll.tmp	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.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	519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe

C:\Users\Admin\AppData\Local\Temp\519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe
"C:\Users\Admin\AppData\Local\Temp\519a2f588fb6058c955753cdc12fb9dcb3162dfb5f765491dd03f0a9772d00f8N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3256

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
67KB

MD5
95142dc06bfb6c74d5fb1d1a186e858d

SHA1
800bbe4eddf58580e5788e442d78de487b664b6d

SHA256
f17fd49e7668806493e52d13622af2830e530213d22964efd5d843dd5917c2ee

SHA512
e5a531dbe45642911bf32540e8273091d0d054c4a0c53ff34eaf3557e01dab071ce4a65e947f6242eeb7b4f78deee8e9dcf9dd804a4f9df2f737b503cba7ef2f

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

Filesize
166KB

MD5
e66fbf0096c8a26416ad96d0739e8c58

SHA1
23ecdfdf953ff1a50de0018548aa39fe548ccf68

SHA256
24fb2fffc3613e7b3c8ce75ac3022717e4246b1d0195e63c8f26559c5ad93c14

SHA512
71e59396a4f16421b4794da74d0753d98f1bbbe06128eaf29af395b259c7a1c945b587c81ab11cd67fbc36d30ed5d89e0893a459110fec9cf337fc42a3c5fd45

Download Submit
memory/3256-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3256-910-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download