36eb63e489c7c2267ac296b590afff394ba0d369783c8f16f1c23e099b29a29e

Analysis

max time kernel
120s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
24/07/2024, 06:16

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General

Target

5809460886323698fda762c4319f0db0N.exe
Size

92KB
MD5

5809460886323698fda762c4319f0db0
SHA1

bd7a735d22af9a99bb09df1190a10ff8812038bf
SHA256

36eb63e489c7c2267ac296b590afff394ba0d369783c8f16f1c23e099b29a29e
SHA512

151b3cc14d1653e9e0a3255f8f7028a3dd78868b7e71be19b2c665e161bec7d076e28fdb6f0c5cc24558acc586ef4898c48c94c0197dfe23a8e689936b046b07
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rp:V7Zf/FAxTWinkTW3n8

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4148) 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/2436-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233f4-2.dat	upx
behavioral2/files/0x0014000000022923-6.dat	upx
behavioral2/memory/2436-1678-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.SecureString.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-heap-l1-1-0.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_KMS_Client-ul-oob.xrm-ms.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_KMS_Client-ul.xrm-ms.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Watcher.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Extensions.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ul-oob.xrm-ms.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msaddsr.dll.mui.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-profile-l1-1-0.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-ul-oob.xrm-ms.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientLangPack2019_eula.txt.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationClientSideProviders.resources.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\santuario.md.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msdaprsr.dll.mui.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.Specialized.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Forms.Primitives.resources.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Forms.resources.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.OData.NetFX35.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.cs-cz.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\ShapeCollector.exe.mui.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\javaws.jar.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\npt.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-ul-phn.xrm-ms.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\7-Zip\Uninstall.exe.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Retail-ul-phn.xrm-ms.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ReachFramework.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\dnsns.jar.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jdk-1.8\README.html.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\classlist.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\t2k.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\libffi.md.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ul-oob.xrm-ms.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\7-Zip\Lang\hu.txt.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationTypes.resources.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightDemiBold.ttf.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xerces.md.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ppd.xrm-ms.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.el-gr.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipssve.xml.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.X509Certificates.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\PresentationCore.resources.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-conio-l1-1-0.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ul-oob.xrm-ms.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\symbase.xml.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\hwrcommonlm.dat.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationProvider.resources.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_MAK-pl.xrm-ms.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\WindowsFormsIntegration.resources.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019VL_MAK_AE-ul-phn.xrm-ms.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.AccessControl.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationProvider.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.wordmui.msi.16.en-us.xml.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Retail2-ul-oob.xrm-ms.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\java.policy.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\java_crw_demo.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\j2gss.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.TraceSource.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\System.Windows.Input.Manipulations.resources.dll.tmp	5809460886323698fda762c4319f0db0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\joni.md.tmp	5809460886323698fda762c4319f0db0N.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	5809460886323698fda762c4319f0db0N.exe

C:\Users\Admin\AppData\Local\Temp\5809460886323698fda762c4319f0db0N.exe
"C:\Users\Admin\AppData\Local\Temp\5809460886323698fda762c4319f0db0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2436

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-1-5-21-701583114-2636601053-947405450-1000\desktop.ini.tmp

Filesize
92KB

MD5
1d24fbd7517824850b462ea3591cba10

SHA1
0d8dcbbfd4be8d14fe72d6f0aacc719457d49fc8

SHA256
1b9b9e8c2e3664d2ab6486c604b25c238076584efa6aecfe600b509aa83aa9df

SHA512
9a0ba012c09053c490c1b9def076f192861eba60564b1e5b24a399ff864d461e4415ba4980433dbe4dd11e496989b01d19a583ae67a31eaaf6dd7a559e45eabb

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

Filesize
191KB

MD5
fb1c227ca9a4bd1d5d12c581d31c2b8d

SHA1
c8cdf1f08d819c5ea10d4705b45279484a4c7f0f

SHA256
081c08988573a9aa1452be6876c8094d0b5042355e4e1c59abfbf93284109cb6

SHA512
5fcdde8bafc964a50d3c42d00cbc480cf9dc95be13d11911611572750209c32169a28751ebadc23af519f3dbd1f2737d500ad0e185dff1c241761b0febe2f3f8

Download Submit
memory/2436-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2436-1678-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download