235939d7797cb03242ab5a0936dfde11e778f1165fe988af399200965c1dfd58

Analysis

max time kernel
119s
max time network
109s
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, 21:37

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General

Target

7c908bb27c21587227014e0be99c60b0N.exe
Size

25KB
MD5

7c908bb27c21587227014e0be99c60b0
SHA1

e845f66f9d01b667bc8ba79040ef1a676a661198
SHA256

235939d7797cb03242ab5a0936dfde11e778f1165fe988af399200965c1dfd58
SHA512

312db581123cd0b5463c7cb5fd54650346ac54b09c61ca36f0ac063ee65c3dc64bca89af685ed5874a75c1e4772977f6d535fef0df8823c2ca7268578928d1ed
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI9woOzOuiJfoOzOuiJL:CTW7JJ7T4MM

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4673) 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/452-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233db-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/452-909-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\WindowsFormsIntegration.resources.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-heap-l1-1-0.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-pl.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-ppd.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu.xml.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ServiceModel.Web.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Common.Wizard.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSO.ACL.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.AnalysisServices.AdomdClientUI.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\flat_officeFontsPreview.ttf.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\INTLDATE.DLL.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\7-Zip\Lang\nb.txt.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationProvider.resources.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-pl.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-ul-oob.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\WindowsFormsIntegration.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jsdt.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ul-phn.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\sqmapi.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.EventLog.Messages.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\sunjce_provider.jar.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow.xml.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Internet Explorer\es-ES\ieinstal.exe.mui.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Retail-ul-oob.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-white_scale-80.png.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\TipTsf.dll.mui.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.Tracing.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Pipes.AccessControl.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\as80.xsl.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\npjp2.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-file-l2-1-0.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessPipcR_OEM_Perp-ul-oob.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-pl.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_KMS_Client-ul-oob.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msdaprsr.dll.mui.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.ThreadPool.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\xjc.exe.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\mesa3d.md.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-heap-l1-1-0.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Slice.thmx.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ul-phn.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-phn.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019MSDNR_Retail-ul-phn.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Trial-ppd.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.nb-no.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\PresentationCore.resources.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\colorimaging.md.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ppd.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019VL_MAK_AE-ppd.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\7-Zip\Lang\it.txt.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\WindowsFormsIntegration.resources.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Trial-ppd.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\dtplugin\npdeployJava1.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalDemoR_BypassTrial180-ppd.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\WindowsBase.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-file-l1-1-0.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-ppd.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-pl.xrm-ms.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-file-l2-1-0.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\msix.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\ucrtbase.dll.tmp	7c908bb27c21587227014e0be99c60b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-process-l1-1-0.dll.tmp	7c908bb27c21587227014e0be99c60b0N.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	7c908bb27c21587227014e0be99c60b0N.exe

C:\Users\Admin\AppData\Local\Temp\7c908bb27c21587227014e0be99c60b0N.exe
"C:\Users\Admin\AppData\Local\Temp\7c908bb27c21587227014e0be99c60b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:452

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
25KB

MD5
bf6311e275d808aa8185757007112ef9

SHA1
771dfedb49e027da67511b1d000ce4261796d32a

SHA256
6b175207a4e33be72cf28bd6d700286f662cb613d83b08f869b43481fe7baf41

SHA512
a35c75482cc8570c295aa3c897a9b4e523bc722362bab6a9f8e5c2d6e750a9b70c7eedee71770adab3945681fe5317cc2530b08436652b7ea84c93461e5d42f7

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

Filesize
124KB

MD5
7b551cb13e25d5fdb16b647a61d1a63d

SHA1
e02635cbb0acced2a5776549c593866c7ba714fd

SHA256
a45e80efa0e714de6e6e7f157d004d2b3960be8f4ab070cfd33cd2e704cc0204

SHA512
9af0a0be28f7ea1a63aaa9362f99a8a1a483a6d33879dfbb3e3c6c23842a07fed8c291deeebd3e270aee7387f8fe0da522f20b2533c953f74b0571580d440c9e

Download Submit
memory/452-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/452-909-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download