4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0

Analysis

max time kernel
119s
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
28/09/2024, 17:31

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General

Target

4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
Size

81KB
MD5

43d0cfadd5cf847e75785f54d1213510
SHA1

a3438aabee222846cc40f2bf3b149a56ab0f35e9
SHA256

4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0
SHA512

c1053682e896478995a3b1abb4b845604848efccf81e20e9238d52c4b70cb84084342e1f285e4793388b6abac24b634ea70a16ad22a71de5657332afb76e7b13
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9e6BT37CPKKdJJ1EXBwzk:V7Zf/FAxTWoJJ7TUgTW7JJ7TUx

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4647) 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/4612-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002347e-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/4612-892-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationUI.resources.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_200_percent.pak.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Requests.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Ping.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Resources.ResourceManager.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\7-Zip\History.txt.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.InteropServices.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\ReachFramework.resources.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-ppd.xrm-ms.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-pl.xrm-ms.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationFramework.resources.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_PrepidBypass-ul-oob.xrm-ms.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sqlpdw.xsl.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\de\msipc.dll.mui.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationUI.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ul-phn.xrm-ms.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\COIN.WAV.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\LASER.WAV.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial5-pl.xrm-ms.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\ffjcext.zip.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Custom.propdesc.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Common Files\System\ado\msado21.tlb.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\UIAutomationTypes.resources.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-pl.xrm-ms.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_F_COL.HXK.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Localytics.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Extensions.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XmlSerializer.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\msvcp140.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_pt_BR.properties.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-ul-phn.xrm-ms.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tabskb.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.Extensions.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.DataAnnotations.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-memory-l1-1-0.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial5-ppd.xrm-ms.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Common Files\System\msadc\msaddsr.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdasqlr.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Collections.NonGeneric.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.Xml.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\7-Zip\Lang\tg.txt.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdaosp.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_pt_BR.properties.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\nashorn.jar.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial.xml.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-ul-phn.xrm-ms.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ul-oob.xrm-ms.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.reportviewer.common.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\tabskb.dll.mui.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Http.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019VL_KMS_Client_AE-ul.xrm-ms.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.Common.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TabTip.exe.mui.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.HttpListener.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Resources.Writer.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jstack.exe.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\7-Zip\Lang\et.txt.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.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	4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe

C:\Users\Admin\AppData\Local\Temp\4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe
"C:\Users\Admin\AppData\Local\Temp\4b0d660ce967504a5d8cb2cd922ecc3fb210d8b7952cf24cda5f24824c92caf0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4612

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
81KB

MD5
09a26d069736f0e52b5affc8d99fa5e8

SHA1
2a09cfda8c8fa5ca67795561191a3f5c5bdfbbcb

SHA256
f1c4f7c0450594ff83c8f6b212a60784ab027ced2cba17837295d8b4112fbf13

SHA512
414355c730649d34886adfcad2890e81f4d68a2521634d21867f9884b1b2e1897d92217cfd90e972f111259e4ace3935aec086bfd2a1a1bc7ec72f9135d3b2de

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

Filesize
180KB

MD5
c48a61a315469a9bb72166c944c6af87

SHA1
9d8dfbe17dde0d97f0b9e45022085d74e891cc70

SHA256
4b1a9401bda70bd0b7ccbcf2d8cc1ed19cceb1fcfe3e949bd4ad3155b375431c

SHA512
17c9e07c4b76808364b10248e9619fbd7bbefd0b98fb0cde11576dc7ef47702b208ffc9f5b5f8d888587ce16184f445d14a1e2001b39ad3e97c9c6e542203e66

Download Submit
memory/4612-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4612-892-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download