d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba

Analysis

max time kernel
150s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 03:36

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General

Target

d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
Size

42KB
MD5

80ec5b9721dd8b976660378b319120f3
SHA1

7a1a3e0eb920683d9c2179beffb8edcab710895b
SHA256

d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba
SHA512

646b2ac399a303b657dc228e196de8937b10e158d3ba043e3da252bf06c285d35f19fd01fa155a0c1ad71b5982ffeba910356af65f322887445ba42b089723c6
SSDEEP

768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATBHfBo8o3PgEieBXEieBL:CTW7JJZENTBHfiPgPWXPWL

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5237) 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/3952-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000c000000023b94-2.dat	upx
behavioral2/files/0x00040000000228fe-6.dat	upx
behavioral2/memory/3952-788-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\nl.pak.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription5-ppd.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_OEM_Perp-ppd.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.CompilerServices.Unsafe.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Forms.resources.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Retail-pl.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Packaging.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\7-Zip\Lang\lt.txt.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Input.Manipulations.resources.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_SubTrial-pl.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Grace-ppd.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\WindowsFormsIntegration.resources.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\pl.pak.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Grace-ppd.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Templates\1033\RedAndBlackLetter.dotx.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ul-phn.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Office16\VVIEWDWG.DLL.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols.xml.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.DataSetExtensions.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ul-phn.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Subscription-ul-oob.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription2-pl.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationUI.resources.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Client\vcruntime140.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-ppd.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_OEM_Perp-ul-oob.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QRYINT32.DLL.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Retail-ppd.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\th\msipc.dll.mui.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.Native.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\UIAutomationProvider.resources.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationFramework.resources.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.Design.resources.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyDrop32x32.gif.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ul-oob.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ul-oob.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Trial-ppd.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsdeu.xml.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-interlocked-l1-1-0.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.Design.resources.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationClient.resources.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\sRGB.pf.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Salesforce\lib\sfodbc.did.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaremr.dll.mui.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Primitives.resources.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fi.pak.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_jpn.xml.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationClientSideProviders.resources.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-pl.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Text.Encoding.CodePages.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationTypes.resources.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-synch-l1-1-0.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-pl.xrm-ms.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Microsoft.Office.PolicyTips.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-processthreads-l1-1-1.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Requests.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\UIAutomationClientSideProviders.resources.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationClient.resources.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jfr.dll.tmp	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.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	d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe

C:\Users\Admin\AppData\Local\Temp\d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe
"C:\Users\Admin\AppData\Local\Temp\d40ca8ff9161ac3061cd758f9133314601b2f00678ed95bfbb83e44b6ad4a5ba.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3952

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-1-5-21-3350944739-639801879-157714471-1000\desktop.ini.tmp

Filesize
43KB

MD5
67b7cf354bcc282fa1610ad7eb9a2a2c

SHA1
c9b8876f9bca9e30eda854c1c00446346b31fa8d

SHA256
1665334d52ff5f2a13a3dabcd44db141e1d1f2b63ab4a80c9aa59bb9c1ec1e03

SHA512
ef66efaabbbe842312e6e1ffa362372a8495f374e516baaed1e3a023f552362cd6bf0ff7a4f26b0589a485a8bec85c345a8789baf2311f781c77050fedf7a10b

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

Filesize
141KB

MD5
26abc18fab0ba2accbd563e7e9d3d5a7

SHA1
b6ae69c650edf8280a60d1ccacc120e2fa4a77e0

SHA256
df6611dbcf9cd463dcf800159c45e08b1c3a00e5e176af8666e6b142201f0ad2

SHA512
843e6d51c30179ad3b2c06f505d95fe885758d4517de11b40fd0ff2f1b43d1bc63afc76aac82cf321a647361c711709769303f6a8e0b7d3a3f6f8f328bbf4b24

Download Submit
memory/3952-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3952-788-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download