39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b

Analysis

max time kernel
150s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-09-2024 20:31

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General

Target

39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
Size

85KB
MD5

63c7ae32c9c8eab29dac2dfe8dca40a8
SHA1

18cd9fbbbe3d04b72289ab5ebecb56c54b8d6d65
SHA256

39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b
SHA512

e76b4d01d462ba94ac2ba5c90684b17fc2a4fa266654be7b4f9ea7263e59ca005db19b98628ae8ae12156727a52decd93a8b735399d7bdf147b9a8c3719ee613
SSDEEP

1536:V7Zf/FAxTWoJJ7T2StuSt8TW7JJ7T2StuSt1:fny1a+u+Da+u+1

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4869) 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/4192-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233cc-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/4192-862-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcer.dll.mui.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\sqlxmlx.rll.mui.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\jce.jar.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial2-pl.xrm-ms.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Common Files\System\msadc\msadcer.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\sRGB.pf.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_Subscription-ul-oob.xrm-ms.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jfxmedia.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_OEM_Perp-ul-phn.xrm-ms.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial-pl.xrm-ms.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Retail-ul-phn.xrm-ms.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTrial-ppd.xrm-ms.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.Brotli.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\d3dcompiler_47.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.AnalysisServices.AdomdClientUI.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-white_scale-100.png.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\7-Zip\Lang\lt.txt.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\InkObj.dll.mui.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\EUROTOOL.XLAM.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.scale-100.png.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSHY7EN.DLL.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.Pipes.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\ReachFramework.resources.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-file-l1-1-0.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\jpeg.md.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-synch-l1-2-0.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\sqlxmlx.rll.mui.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XPath.XDocument.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\xmlresolver.md.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\it\msipc.dll.mui.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationClient.resources.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.PPT.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationClientSideProviders.resources.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\dom.md.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ppd.xrm-ms.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_Subscription-ppd.xrm-ms.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Common Files\System\msadc\msadco.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationProvider.resources.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Xaml.resources.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\WindowsBase.resources.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sawindbg.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\asm.md.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\nashorn.jar.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp3-ppd.xrm-ms.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Grace-ul-oob.xrm-ms.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\wpfgfx_cor3.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\PresentationUI.resources.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Grace-ul-oob.xrm-ms.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_Retail-ppd.xrm-ms.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msaddsr.dll.mui.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-0090-0409-1000-0000000FF1CE.xml.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ppd.xrm-ms.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-pl.xrm-ms.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Java\jre-1.8\lib\management\jmxremote.password.template.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\lt-LT\tipresx.dll.mui.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.StackTrace.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\PresentationUI.resources.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Java\jdk-1.8\bin\vcruntime140.dll.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\cryptix.md.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\public_suffix_list.dat.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Retail-ul-phn.xrm-ms.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\WidevineCdm\LICENSE.tmp	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.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	39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe

C:\Users\Admin\AppData\Local\Temp\39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe
"C:\Users\Admin\AppData\Local\Temp\39e7b8f21ee869fa5ab7099710e674ca0a60e79020578fa67365921ec8af130b.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4192

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
86KB

MD5
0692df137b3100e0c37d9a3453977601

SHA1
eb1007341e7ab55e2f90d8629bdf7a4b7fa1d31b

SHA256
299fc30abfe2e70d01887d3effa2e75b799e015d3110ac1f1783c38ccb358917

SHA512
69bf9ed7d35de4eb5364782e4095f45b9cb6e473d4477efadbf9038c6d1bb76edb97b520c221a4aaad18051b290c6538cd086987cc0658a24191f63a2165121c

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

Filesize
185KB

MD5
f3900ccb14b1733744cb76a2c02e1717

SHA1
9fa6bec1c50652559880fe01f23d81710a2527aa

SHA256
06cc6af054826fbdcdd0e44ba40d79cb22988e170b7cb18b94689464c9d0751e

SHA512
0a6e5f35d5c4c342f01634aa869f089025fbacf4ca5429b0501492f84b96d3b507b550ad2c4a18eeb5d233b40cad5393275c134b5edc78d407d4f1ab1005c356

Download Submit
memory/4192-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4192-862-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download