24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
24/08/2024, 20:27

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General

Target

24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
Size

54KB
MD5

b467501dfd36954e9c4055aa8a00d641
SHA1

0f40ce6dbe8903c270228fb1f915283bfb7f625e
SHA256

24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481
SHA512

699d7134b736e01c0169b2457871481822d8844a070ab30fc599f38a81da13d51b7e6799f6eccd0df07d7b5a3cc71a8bb313b987718bb959d05261929c451a16
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjSEXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2r+:V7Zf/FAxTWo5

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5037) 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/4428-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023449-2.dat	upx
behavioral2/files/0x0008000000023452-6.dat	upx
behavioral2/memory/4428-860-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\WindowsFormsIntegration.resources.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ppd.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-string-l1-1-0.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-MX\tipresx.dll.mui.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Drawing.Design.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOSB.DLL.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.CompilerServices.Unsafe.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Java\jdk-1.8\javafx-src.zip.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Java\jre-1.8\bin\prism_d3d.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Grace-ul-oob.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-ul-oob.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-localization-l1-2-0.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\TAG.XSL.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\ReachFramework.resources.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ru.pak.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCallbacks.h.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationProvider.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Trial-ppd.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\hr\msipc.dll.mui.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\Delete.White.png.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\mshwLatin.dll.mui.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\PresentationFramework.resources.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_ja.properties.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\policy\limited\local_policy.jar.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentDemoR_BypassTrial180-ppd.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription4-ppd.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-pl.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\+NewSQLServerConnection.odc.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsel.xml.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationTypes.resources.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Java\jre-1.8\bin\jsoundds.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Common Files\System\ado\msador15.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.NetworkInformation.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\System.Windows.Input.Manipulations.resources.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.Win32.Registry.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\Microsoft.VisualBasic.Forms.resources.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-pl.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunmscapi.jar.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookVL_KMS_Client-ppd.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-pl.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\host\fxr\8.0.2\hostfxr.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationCore.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\he.pak.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Java\jdk-1.8\bin\servertool.exe.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationTypes.resources.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Trial-ppd.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\hu\msipc.dll.mui.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.VisualC.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\plugin.jar.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ul-phn.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-ul-oob.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationClientSideProviders.resources.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ul-phn.xrm-ms.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Author2String.XSL.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000049\catalog.json.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\Common Files\System\msadc\adcvbs.inc.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\Microsoft.Win32.Registry.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Principal.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.UnmanagedMemoryStream.dll.tmp	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.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	24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe

C:\Users\Admin\AppData\Local\Temp\24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe
"C:\Users\Admin\AppData\Local\Temp\24bcdbbdca5ec9bd75ee4f0493256cbbdf85b0ff15c97a2fd8959f5604568481.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4428

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-1-5-21-2412658365-3084825385-3340777666-1000\desktop.ini.tmp

Filesize
54KB

MD5
593d00e9b63870b2de5852391fe29881

SHA1
34570e59df942d6c3d4fc16a6c6e0734498afa62

SHA256
bf02afe4a7914ec26bffb624349f1bcf64008242184d6e1e940e4e7c2395b64e

SHA512
52e85f741ac095dd00d5e28c3d7e18ad98ffe66929581bb2b7cda87e3aa3658800f5df394f6aec630b332a4d76d6510774765be7b436b0feeb28e557bf310054

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

Filesize
153KB

MD5
feb8287135984bfba5ece20f6f86de36

SHA1
789bd1710676f91be5429d678351397973178652

SHA256
dc805894dea0811ea491f716ef20e32d99a01224becfb081356a472ead5250d8

SHA512
bb4f5779ef51f66b7a9cdf1fe4589a524d86a6e95e3c4d1271ab1d71abb6b0ce4a9e6e9cd2efdef8d4d728a832acd4291fffe0cedb6acdf43d0e1c4892439265

Download Submit
memory/4428-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4428-860-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download