944527adff4615aca8029f281db119e7e09ebea139987f844cdf0ecbb02c0fb0

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2024, 14:40

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6758e76596919ceb8095ef0ba2e6f920N.exe
Size

49KB
MD5

6758e76596919ceb8095ef0ba2e6f920
SHA1

77e635e5132369856ceba5a7db7fee6064ba1c55
SHA256

944527adff4615aca8029f281db119e7e09ebea139987f844cdf0ecbb02c0fb0
SHA512

b0b8594d67b3b4f85b0d31c2ed1bd5036581c34deed1d2f9f3506bc6d81e9b80d0cac09fe835b91e54dfbe546fc4b45246ebcb564368f77bb0486120b04ead14
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9bJSsJSPGUGX:V7Zf/FAxTWoJJ7TFJSsJSM

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4658) 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/5112-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002346d-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/5112-922-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.CompilerServices.Unsafe.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0018-0409-1000-0000000FF1CE.xml.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial-pl.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Office.Interop.Excel.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_MAK-pl.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-runtime-l1-1-0.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\PresentationCore.resources.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-ul-oob.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdasqlr.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Input.Manipulations.resources.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Ion Boardroom.thmx.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-ul-phn.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-oob.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-console-l1-1-0.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\LICENSE.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jvmticmlr.h.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-file-l1-2-0.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-ppd.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Xaml.resources.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\System.Windows.Forms.Primitives.resources.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-memory-l1-1-0.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientOSub_eula.txt.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\hostpolicy.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.officemuiset.msi.16.en-us.xml.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\vulkan-1.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_Subscription-ul-oob.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Violet.xml.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0000-1000-0000000FF1CE.xml.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-ul-oob.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Layout.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\uk\msipc.dll.mui.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sawindbg.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\ConvertReset.pps.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Principal.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\UIAutomationClientSideProviders.resources.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Forms.resources.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\javaws.policy.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ul-oob.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ODBC Drivers\Redshift\lib\amazonredshiftodbc_sb64.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\7-Zip\7zCon.sfx.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\TabTip.exe.mui.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msadcer.dll.mui.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msadcer.dll.mui.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Xaml.resources.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.th-th.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointVL_MAK-ul-oob.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-ul-oob.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Forms.resources.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial1-ppd.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLINTL32.DLL.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.scale-100.png.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\7-Zip\Lang\ca.txt.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Controls.Ribbon.resources.dll.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AuthoredExtensions.16.xml.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.Word.Word.x-none.msi.16.x-none.xml.tmp	6758e76596919ceb8095ef0ba2e6f920N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTest-pl.xrm-ms.tmp	6758e76596919ceb8095ef0ba2e6f920N.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	6758e76596919ceb8095ef0ba2e6f920N.exe

C:\Users\Admin\AppData\Local\Temp\6758e76596919ceb8095ef0ba2e6f920N.exe
"C:\Users\Admin\AppData\Local\Temp\6758e76596919ceb8095ef0ba2e6f920N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:5112

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
49KB

MD5
e7cece7a7e17c6f7b542dddabd9437ee

SHA1
22e5f644ddad516e81a27cce0b2409466c4e2ba7

SHA256
a966dfde34528b8eb739983962661f33534d7fc8de273b7fb9817f88e360ced9

SHA512
5d8ee1c401160415ba2368c2f1e946aef1d9cf6cf1f18e402aa4650cbe4912e3c4b964bf78b8ed8a765d03ebd657bafd0dc507d0818f0234e399497098945b58

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

Filesize
148KB

MD5
d48907ee818964dc3d5ed1499a4a7533

SHA1
d0670883b41f53aeb76e6488feb36622f951dc49

SHA256
044340427fe9d6bf5bd9293ec4ab960b372e13a7369ce98f32134a5d0bebe0a0

SHA512
5d95ec670569576e6d802148cecd10f536eef42fca9339b69bb68b7552393d5a9e00a827638b865d077763576fad609abc1ac13ed5dde839b18e7b60e0454280

Download Submit
memory/5112-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/5112-922-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download