411913cbd6151bc4efd8fa3945e9b624892cf4626f9655cbb1efb98c648bf9ec

Analysis

max time kernel
120s
max time network
126s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 20:08

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General

Target

d0a396eeb4dc945da685a2e5d16a8cd0N.exe
Size

51KB
MD5

d0a396eeb4dc945da685a2e5d16a8cd0
SHA1

941f7bc910fdce2828e2613fe53311fe753025f4
SHA256

411913cbd6151bc4efd8fa3945e9b624892cf4626f9655cbb1efb98c648bf9ec
SHA512

3a9c6f239d7f13e0b7b4701a0484c8c2d511059dae7a62235174712b361877a4174ebf25235001e1ffbf4f0e75605fb25a15c266329523aed1b8c27d01ef5507
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9GRtfn:V7Zf/FAxTWoJJ7Tofn

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4682) 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/3252-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023488-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/3252-930-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.reportviewer.common.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\HarvardAnglia2008OfficeOnline.xsl.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\7-Zip\Lang\ar.txt.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Requests.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\Microsoft.VisualBasic.Forms.resources.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Forms.resources.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ppd.xrm-ms.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ppd.xrm-ms.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\ISO690Nmerical.XSL.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationClient.resources.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\packager.jar.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ul-phn.xrm-ms.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Pipes.AccessControl.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\WindowsBase.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.scale-80.png.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.TypeConverter.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\WindowsBase.resources.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-string-l1-1-0.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-pl.xrm-ms.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.NetworkInformation.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub_eula.txt.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.SapClient.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\mraut.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sunmscapi.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fonts\LucidaBrightRegular.ttf.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Trial-ppd.xrm-ms.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ul-phn.xrm-ms.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.Compression.FileSystem.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\UIAutomationTypes.resources.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\decora_sse.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-stdio-l1-1-0.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msvcr120.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\insert.xml.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipschs.xml.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.NETCore.App.deps.json.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.c.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-string-l1-1-0.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Glossy.eftx.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql2000.xsl.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.de-de.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.CompilerServices.VisualC.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Data.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Microsoft.Win32.Registry.AccessControl.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationTypes.resources.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_PrepidBypass-ppd.xrm-ms.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\7-Zip\7-zip32.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encodings.Web.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\WindowsFormsIntegration.resources.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Forms.Design.resources.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-processthreads-l1-1-1.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.AeroLite.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Internet Explorer\ja-JP\iexplore.exe.mui.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-ul-phn.xrm-ms.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ul-phn.xrm-ms.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-140.png.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-fibers-l1-1-0.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationTypes.resources.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\charsets.jar.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\msvcr120.dll.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_MAK-ppd.xrm-ms.tmp	d0a396eeb4dc945da685a2e5d16a8cd0N.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	d0a396eeb4dc945da685a2e5d16a8cd0N.exe

C:\Users\Admin\AppData\Local\Temp\d0a396eeb4dc945da685a2e5d16a8cd0N.exe
"C:\Users\Admin\AppData\Local\Temp\d0a396eeb4dc945da685a2e5d16a8cd0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3252

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-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

Filesize
52KB

MD5
560360af75f3b6fa8b4634c0c4df65f6

SHA1
c17efbb54e377cedee21e2c40b96d0844ddd1bc2

SHA256
cd69920bd335c371fa1f820a5507308e612df696eacb7f10792f4b5aae387795

SHA512
726ce8812c0ed52f0cbf45f8a651f798da236ad1a575a0f9242cb0abeb5bba868d2456a3fe7690f8b20cb2e45701a9863d46515660dedddcc07461b4af6bdcc4

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

Filesize
150KB

MD5
14ca216fb0a4efd87e48390fa36d18f8

SHA1
e0edf101451713573216e4bef2781bb16908bd89

SHA256
0e99cf2e9a43585d0e21c0f4c671a3f8f5bbdfa272672b288136f7213fc1341c

SHA512
6920104217ac8dfb3aea3c05cf1086856802ee394cb40929b16f939ec4b442158b239f90ada294ef71d8c33cd48b93fd8e404fc660d2a1f6ec51551d68a7457f

Download Submit
memory/3252-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3252-930-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download