db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1

Analysis

max time kernel
120s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18-09-2024 09:11

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General

Target

db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
Size

78KB
MD5

27e63555d42eec6cb432100b18793be0
SHA1

ac99102c13d14b33edc4e536b5238e5474362efc
SHA256

db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1
SHA512

f6f29d6476197c56d70a329df70eef8b3c064b981daa0eed8b45dc700f975fe2090056b4dc1f2d67d4ea12b3893fbed4320b5e010057488ee5c199391c3af216
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI982AZJE2AZJ/WBT37CPKD:V7Zf/FAxTWoJJ7TMTW7JJ7TlKX/8KX/l

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4645) 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/3564-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233fb-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/3564-936-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-processthreads-l1-1-1.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-ppd.xrm-ms.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSS7DATA000A.DLL.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\en-us\msipc.dll.mui.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationTypes.resources.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Xaml.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\System.Windows.Forms.resources.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription2-ppd.xrm-ms.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Client\C2R64.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-oob.xrm-ms.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_OEM_Perp-pl.xrm-ms.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ComponentModel.Annotations.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationTypes.resources.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\PresentationCore.resources.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Java\jre-1.8\bin\rmid.exe.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-processthreads-l1-1-1.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_KMS_Client-ul.xrm-ms.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Java\jre-1.8\lib\currency.data.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial2-pl.xrm-ms.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\7-Zip\Lang\eu.txt.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Web.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\ReachFramework.resources.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\colorimaging.md.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Java\jre-1.8\bin\unpack200.exe.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Schoolbook.xml.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.office32mui.msi.16.en-us.xml.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-phn.xrm-ms.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebSockets.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.resources.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationUI.resources.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\jawt_md.h.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Java\jre-1.8\bin\bci.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_K_COL.HXK.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-180.png.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\7-Zip\Lang\ja.txt.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.th-th.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.XmlDocument.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\PresentationCore.resources.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.excelmui.msi.16.en-us.xml.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_OEM_Perp-ul-oob.xrm-ms.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Grace-ppd.xrm-ms.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\InkDiv.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\InputPersonalization.exe.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ObjectModel.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Requests.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemuiset.msi.16.en-us.xml.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\libxslt.md.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription4-ppd.xrm-ms.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\CHICAGO.XSL.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-changjei.xml.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processthreads-l1-1-0.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.Primitives.resources.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-console-l1-1-0.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\jfxrt.jar.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-filesystem-l1-1-0.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019VL_MAK_AE-ppd.xrm-ms.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.NameResolution.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.Encoding.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationClientSideProviders.resources.dll.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ta.pak.tmp	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.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	db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe

C:\Users\Admin\AppData\Local\Temp\db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe
"C:\Users\Admin\AppData\Local\Temp\db725b08abc4d166ed7439aa6939ee6a110e8bac9c2e91fa674c7ac4a995e4d1N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3564

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
79KB

MD5
cbb7423cb42694df57312d4314d852cf

SHA1
56838e6c5483ab6ba44be843f5f70f415e6dc509

SHA256
e2a0da39ab0e3c3a439e21545eb93596992051c5de497a701a443101db3aa65f

SHA512
20b933a729130d6b3d6c5df76fba53c313a435d0c2a7312a493f9a8e58af4ad81caf1282d92d7bba4cf4104fa5f3d1cab761ba26cbb6bbe7f66910b16196b375

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

Filesize
177KB

MD5
d504f54ea561b6d3744bcddfea9e1eb3

SHA1
4748e889f1f1b2b12550387519747523bc5e9235

SHA256
1001c280a86e3ae5ac547a36f02b1375ba1dd327eaf88af5984bddaa48a6c06d

SHA512
e60c0090f2bda544745472b6f44fe2cda9c5a09fe05a6c4cf9b209b17b682819eadf044a36b7aa45a5bbc07056b42736bb28cafad59570b2b89dd7b2086a0a49

Download Submit
memory/3564-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3564-936-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download