d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3

Analysis

max time kernel
120s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 09:11

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General

Target

d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
Size

57KB
MD5

d009b76851106ef884e8edbda8dc2780
SHA1

c09384b00d200846d72d40cd2885be8a68b9f073
SHA256

d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3
SHA512

593ee90e0791eb68d48cf25e44cbd5302ce20ae8356002653b49e208ed1bbe8d0f0623a6d77a36b0d55d877d91264561c90803f1e68f2980d1554f32a86b7803
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9MEX:V7Zf/FAxTWoJJ7TyEX

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4654) 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/1524-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023ba6-2.dat	upx
behavioral2/files/0x0004000000022941-6.dat	upx
behavioral2/memory/1524-786-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.MemoryMappedFiles.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Claims.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\WindowsBase.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\bn.pak.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-ul-phn.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\hr\msipc.dll.mui.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.NETCore.App.runtimeconfig.json.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.RegularExpressions.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.VisualElementsManifest.xml.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Subtle Solids.eftx.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial2-pl.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_MAK_AE-pl.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.EventSource.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Expressions.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Resources.Writer.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\Welcome.html.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial4-ul-oob.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Grace-ul-oob.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\ReachFramework.resources.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sk.pak.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-environment-l1-1-0.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-utility-l1-1-0.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\7-Zip\Lang\bg.txt.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\ShapeCollector.exe.mui.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tr-TR\tipresx.dll.mui.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsBase.resources.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\libffi.md.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntime2019R_PrepidBypass-ul-oob.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp4-ul-oob.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msadcer.dll.mui.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Java\jre-1.8\lib\accessibility.properties.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest5-pl.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\lt-LT\tipresx.dll.mui.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clretwrc.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\PresentationFramework.resources.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Grace-ppd.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fi-fi.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Common Files\System\ado\msadomd28.tlb.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.resources.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\UIAutomationClient.resources.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationClientSideProviders.resources.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Controls.Ribbon.resources.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationUI.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\jpeg.md.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ppd.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.scale-80.png.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.AccessControl.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Java\jre-1.8\lib\currency.data.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\nashorn.jar.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mce.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\System.Windows.Controls.Ribbon.resources.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_MAK-ul-oob.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Grace-ul-oob.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ml.pak.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\idlj.exe.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription-ppd.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-ppd.xrm-ms.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.scale-140.png.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\WindowsFormsIntegration.resources.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationFramework.resources.dll.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe.tmp	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.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	d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe

C:\Users\Admin\AppData\Local\Temp\d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe
"C:\Users\Admin\AppData\Local\Temp\d508c4d98099aeacef301eccd4f51d65f5cbbef63ad9ed4773ec3e0825168eb3N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1524

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-1-5-21-2629364133-3182087385-364449604-1000\desktop.ini.tmp

Filesize
57KB

MD5
7c4089f3449dd530a0fc6ce48d55c0ea

SHA1
a73276ee11469556058c94177f4573166d18e9f9

SHA256
24366542b535f3b13d7c53a798fb7d7566aa1bd74025de35c2a886672429362b

SHA512
7c67f25982b556714bd0ee357d9011a300af9c181b66dac73e75491f9950a6d396b49101298b63b40301806b4b07c128b1c2040c4273bbc69629e56867ca604d

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

Filesize
156KB

MD5
c892bd38a117df4190fefdfa82f0002c

SHA1
9398827ce886aaf8ce6108e0007ded1771016e93

SHA256
f21889fb34ded49a636ba554147b0f31c45a50231d0a83678d2de408424cfebb

SHA512
614b625b48b03a91d9c4575891fde47b3339cdb85591d12f041648ef4ec25d1132ec56f5f880912c17abfbb5eae18e8e2c829dd19aec3744852199c3a8c7b344

Download Submit
memory/1524-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1524-786-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download