e27ecd664f6540ea20076bcad58715c7b51a3ad04ad5b9028fc9cf7aea14f779

Analysis

max time kernel
119s
max time network
99s
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, 15:24

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General

Target

78d91974f82aeae31675c1bbd2620b50N.exe
Size

132KB
MD5

78d91974f82aeae31675c1bbd2620b50
SHA1

28dca4ab0f9a336f90aa4dde983e65b6b6af33eb
SHA256

e27ecd664f6540ea20076bcad58715c7b51a3ad04ad5b9028fc9cf7aea14f779
SHA512

8e9457f6a2a5f9ec71d63d6e9cd4f2b8385a162929b24b48bf445c53e4def64dde65ef0c857338a36fdf8b8c9aeeb588879da1aba9bbc01501afab765d52db95
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5gTWn1++PJHJXA/OsIZfzc3/Q8zxN:fnyiQSox5IQSox5I

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4306) 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/4228-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023368-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/4228-792-0x0000000000400000-0x000000000040B000-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.Security.Cryptography.Cng.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Input.Manipulations.resources.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Controls.Ribbon.resources.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\asm.md.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-ul-oob.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\7-Zip\Lang\hy.txt.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ru-RU\tipresx.dll.mui.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msdaremr.dll.mui.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-phn.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ul.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ul-oob.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-pl.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Xaml.resources.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\UIAutomationClient.resources.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\WindowsFormsIntegration.resources.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT_F_COL.HXK.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Common Files\System\ado\msado25.tlb.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Controls.Ribbon.resources.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_MAK-pl.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentDemoR_BypassTrial180-ppd.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONGRAPHICS.DLL.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\ISO690.XSL.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-pl.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\ZeroByteFile.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Ion.thmx.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_KMS_Client-ul-oob.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.Interfaces.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019MSDNR_Retail-ppd.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordaccore_amd64_amd64_6.0.2724.6912.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-ppd.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\Microsoft.VisualBasic.Forms.resources.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\mesa3d.md.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription2-pl.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\tipresx.dll.mui.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu.xml.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\policy\limited\US_export_policy.jar.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ppd.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sl-si.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\System.Windows.Forms.resources.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\WindowsFormsIntegration.resources.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.DispatchProxy.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Trial-ul-oob.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Grace-ppd.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Grace-ppd.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\7-Zip\Lang\br.txt.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.OpenSsl.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.NetworkInformation.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\blacklisted.certs.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Java\jre-1.8\bin\dt_shmem.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\blacklisted.certs.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Trial-ppd.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART11.BDR.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\FrequentOfficeUpdateSchedule.xml.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\PresentationUI.resources.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationClient.resources.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE.HXS.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.resources.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2ssv.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_KMS_Automation-ppd.xrm-ms.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.OAuth.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationCore.resources.dll.tmp	78d91974f82aeae31675c1bbd2620b50N.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	78d91974f82aeae31675c1bbd2620b50N.exe

C:\Users\Admin\AppData\Local\Temp\78d91974f82aeae31675c1bbd2620b50N.exe
"C:\Users\Admin\AppData\Local\Temp\78d91974f82aeae31675c1bbd2620b50N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4228

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
132KB

MD5
b470568f0f91a50f3efd4d26e9884a19

SHA1
04d8232aec950f739982b1e6d2da0f4d1b30e9d9

SHA256
98cf700423e59e0c552f436025d3723263c0b5d131cf9a73c098e5255406bd35

SHA512
3c3b440bc238347bcd399495da20c20026d2b8744dec7ee948309519cb5d46a2709cd081d14c7e35a78a47b5d3fd161284c66ba73aac5e7f67a9a2970fe288a4

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

Filesize
231KB

MD5
a373a7ad6f4ff8fc5e498fb22aeca704

SHA1
8c05dde101a9ca7c7efe3a92773e581eb019604d

SHA256
98768450c3ef5db6982a6867e4f2811c6f035ee0ea1fc221b793379611f63e74

SHA512
d76acdc138c796423e61f5be8175636e59f62a89708d61c963502f0ba96574a990909fc19fdf1f95683fe31230d024b40473eed8db016d4ab584725cbf464645

Download Submit
memory/4228-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4228-792-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download