9bdb0a3cdf15e7a8e5478abe505cefa721d48314409846d3aee9fad56817c335

Analysis

max time kernel
120s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2024, 08:28

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General

Target

9f968157ca8fd0f96bfa9cb8ec082be0N.exe
Size

62KB
MD5

9f968157ca8fd0f96bfa9cb8ec082be0
SHA1

31115982034b8cf62bbd0791acb44f3de59b1cee
SHA256

9bdb0a3cdf15e7a8e5478abe505cefa721d48314409846d3aee9fad56817c335
SHA512

fe23ff82200d6454cde1446c43a1dd0159486300de78e3786f33673223b722e35f2cfa76a7ef8005b9fa4f99273cc30a249fde030486891ddc5147cc84c60a7e
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNyHF/MF/6m0md3:V7Zf/FAxTWoJJZENTNyl2Sm0mPWM

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4666) 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/0x0009000000023472-2.dat	upx
behavioral2/files/0x00090000000234d3-6.dat	upx
behavioral2/memory/2436-914-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jpeg.md.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Grace-ppd.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ul-oob.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp6-ul-phn.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\WindowsFormsIntegration.resources.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Diagnostics.PerformanceCounter.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\cursors.properties.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-console-l1-2-0.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ul-phn.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.ReaderWriter.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.SqlServer.Types.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationTypes.resources.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jdwp.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_KMS_Automation-ul.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ppd.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_OEM_Perp-ul-phn.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.VisualStudio.Tools.Applications.Runtime.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Forms.Primitives.resources.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Input.Manipulations.resources.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-process-l1-1-0.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-pl.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_K_COL.HXK.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\Microsoft.VisualBasic.Forms.resources.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\sr.pak.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial2-pl.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Grace-ul-oob.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-ppd.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-ul-phn.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Excel.Extensions.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql90.xsl.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\tiptsf.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.CodePages.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\CIEXYZ.pf.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Sort\YEAR.XSL.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0409-1000-0000000FF1CE.xml.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Grace-ul-oob.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-pl.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power View Excel Add-in\Microsoft.ReportingServices.AdHoc.Excel.Client.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\da-DK\tipresx.dll.mui.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libffi.md.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\java.security.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationProvider.resources.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Grace-ppd.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART5.BDR.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVClientIsv.man.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationClient.resources.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-ppd.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyDrop32x32.gif.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial3-ppd.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Excel.Excel.x-none.msi.16.x-none.xml.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Presentation.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationFramework.resources.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\nb.pak.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\t2k.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Grace-ppd.xrm-ms.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.ScriptDom.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVManifest.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationUI.resources.dll.tmp	9f968157ca8fd0f96bfa9cb8ec082be0N.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	9f968157ca8fd0f96bfa9cb8ec082be0N.exe

C:\Users\Admin\AppData\Local\Temp\9f968157ca8fd0f96bfa9cb8ec082be0N.exe
"C:\Users\Admin\AppData\Local\Temp\9f968157ca8fd0f96bfa9cb8ec082be0N.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-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp

Filesize
62KB

MD5
6f78944424503c2e6c1d25bcec66186a

SHA1
3960646489344cd206ffbd7e6ac57a883978568d

SHA256
c6966cd88ec284484b7df1da404caa3735fd53cfc8bd3b12440a57d9cada3417

SHA512
3062dc944d594038ac71a186338028b99285d34dff8a6af75bef4b3bce23389a833b22403de09fb3a10342ac432bf527d4a40e043ed0bf83ac4dac88cf3f6016

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

Filesize
161KB

MD5
a5df50475cfdfb74a54be508f66707ed

SHA1
7333862731b7f59c48e871cc895ecc4249a55b6e

SHA256
f9660ba0c7ccb8c6fb3767c3b9edfb65f740b74068c81ac28b3a64acbeef7e99

SHA512
06d0e10e06ef5bbaeeeea7670913e706124d2741a5271bb46c909f942c3f3e61e6cdb3e9dfcbb5453d4a6c85a2b5162608c2018612047c5b022a61a6e96d69e4

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

Filesize
44KB

Download
memory/2436-914-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download