4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6

Analysis

max time kernel
120s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 04:23

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General

Target

4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
Size

61KB
MD5

679f6b4c708c6c8c6180294b01f96110
SHA1

aba0a70ef94110e1e65d153c38703947fa0b8074
SHA256

4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6
SHA512

4810bd8d58e3a64fc497b09d78e9350af9b7a2b32e5390ffd0cd5e112d70237aa01fdccc557d13a5fa335d3748ca4bee46840dd812fb935c662af564385975e5
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcwBcCBcw/tio/ti0kAPJPoL:V7Zf/FAxTWoJJ7TTQoQ/

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4656) 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/528-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023453-2.dat	upx
behavioral2/files/0x000f000000022902-6.dat	upx
behavioral2/memory/528-922-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\PresentationFramework.resources.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri-Cambria.xml.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.ComponentModel.EventBasedAsync.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\Accessibility.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_KMS_Client-ppd.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Retail-ul-phn.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\PresentationFramework.resources.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ppd.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ppd.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.pl-pl.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Process.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Java\jre-1.8\bin\management.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationClient.resources.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xerces.md.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AuthoredExtensions.16.xml.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-pl.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excel-udf-host.win32.bundle.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-80.png.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.Uri.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationTypes.resources.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Grace-ul-oob.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-ul-phn.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-ppd.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\7-Zip\Lang\et.txt.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Input.Manipulations.resources.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Java\jre-1.8\lib\management-agent.jar.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-ul-oob.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-ul-oob.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Initialization.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-black_scale-180.png.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvApi.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\nio.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-string-l1-1-0.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial2-ul-oob.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp5-ul-oob.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_MAK_AE-ul-phn.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\7-Zip\Lang\bn.txt.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsBase.resources.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationClient.resources.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-process-l1-1-0.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-locale-l1-1-0.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe.manifest.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationClient.resources.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\t2k.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRAPH_K_COL.HXK.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-80.png.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ko\msipc.dll.mui.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.IO.Packaging.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ssv.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-ul-oob.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ppd.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msvcp120.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\Microsoft.VisualBasic.Forms.resources.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_Subscription-pl.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msvcr120.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Globalization.Calendars.dll.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\kn.pak.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunmscapi.jar.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-pl.xrm-ms.tmp	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.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	4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe

C:\Users\Admin\AppData\Local\Temp\4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe
"C:\Users\Admin\AppData\Local\Temp\4881c11a060b335438b63763aab49cab9b5008d6e3cfb3cb9ace1a51d0f711a6N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:528

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-1-5-21-945322488-2060912225-3527527000-1000\desktop.ini.tmp

Filesize
62KB

MD5
3baaff35308a046c279154fb295e5edf

SHA1
0d0227edf191428ad2240bbc829966db0eeafdc9

SHA256
2fcc0342e901c58018b6da93a4f55fd86d34600b8dd39b679c033b552fb137fd

SHA512
dc7568f18a33788d6f671046484f9a24bca58349ddcd1508a1bb77a8d13de7b42d1ae6991f3b7e0bca67abb2737eff3bff6ceca971e13d6f0059f40daa1492d9

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

Filesize
161KB

MD5
91acca5d07498e33aeffbaf514b3c2bb

SHA1
87de401cd5a4c42bc0f574617a4133e6673649f0

SHA256
bc6f7ab16915c508d60be17acbdcdd06a6066a8a6089d0c6fab136bcd1729153

SHA512
b09a14ddef8e9c1b9d1f3873a911f16c320b15cd8d2360e23d95db5a2e6987c549eeeb221f27ae24dc86883520949857087fa01f168fc602029a87d3c4473eae

Download Submit
memory/528-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/528-922-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download