0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdb

Analysis

max time kernel
120s
max time network
120s
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, 23:47

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General

Target

0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
Size

47KB
MD5

8a1fe52adca55a10c71ea5089c903830
SHA1

434094368bdf036da69294fadbfa2b199f63ebf4
SHA256

0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdb
SHA512

41a971e5e7fb09f2b1e072156c9a8b9da9fd65f5a5964b1e73ebfc33f985a293638100d9915b62b106671b007040cafdd867d191d36f9da9fcc1666053134673
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeinMdc:CTWUnMdyGdyoIOI7

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4642) 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/4200-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023582-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/4200-901-0x0000000000400000-0x000000000040A000-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.Cryptography.Cng.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\jcup.md.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-pl.xrm-ms.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\MicrosoftDataStreamerforExcel.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Custom.propdesc.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.scale-100.png.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\InputPersonalization.exe.mui.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad\osknumpadbase.xml.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\UIAutomationClientSideProviders.resources.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Xaml.resources.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\PresentationCore.resources.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\GRLEX.DLL.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.AnalysisServices.Common.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-white_scale-80.png.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\7-Zip\Lang\ba.txt.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_OEM_Perp-ppd.xrm-ms.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Grace-ul-oob.xrm-ms.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Interceptor.tlb.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-180.png.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\icu.md.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InputPersonalization.exe.mui.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationProvider.resources.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fi.pak.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ul-phn.xrm-ms.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Linq.Expressions.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Presentation.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\zipfs.jar.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-ppd.xrm-ms.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Common Files\System\msadc\msadce.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l2-1-0.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\jcup.md.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Trial-ppd.xrm-ms.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_MAK_AE-pl.xrm-ms.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Data.Edm.NetFX35.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\fil.pak.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\santuario.md.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Grunge Texture.eftx.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Principal.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SETLANG_COL.HXT.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\PROCDB.XLAM.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.ThreadPool.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClientSideProviders.resources.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ul-oob.xrm-ms.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_F_COL.HXK.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_WHATSNEW.XML.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msvcp140.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\WindowsBase.resources.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\D3DCompiler_47_cor3.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\UIAutomationClientSideProviders.resources.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial4-ppd.xrm-ms.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Trial-ppd.xrm-ms.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-white_scale-140.png.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\COPYRIGHT.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_MAK-ul-phn.xrm-ms.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\CERTINTL.DLL.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONCHARTCOMMON.DLL.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-file-l1-2-0.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Primitives.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\UIAutomationTypes.resources.dll.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_MAK-ul-phn.xrm-ms.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7cm_es.dub.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
File created	C:\Program Files\7-Zip\Lang\tt.txt.tmp	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.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	0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe

C:\Users\Admin\AppData\Local\Temp\0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe
"C:\Users\Admin\AppData\Local\Temp\0388c84b8e4530f74ce376c79eda020246386dd0625ec438a7b885898c147bdbN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4200

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4380,i,1729213506309163284,12809566808978835441,262144 --variations-seed-version --mojo-platform-channel-handle=3996 /prefetch:8
1⤵
PID:4940

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-1-5-21-2170637797-568393320-3232933035-1000\desktop.ini.tmp

Filesize
47KB

MD5
e43ec001b0bcb647848f59fdd2a57614

SHA1
1e388a2e7e9f462f6a71eeceee373284759db5ac

SHA256
843d24b88e43301bf2a999ed2abcdbf8b2c7ecd260a611d9b6b4282a9dc2f55b

SHA512
c9ad2bfa4b3e4bd31166676ea0b7a44be5f872bc0fa05b1839f33929321d0517ab80aec833fd320a5b181a9e9e0e831e5b687c144582d7dcccdbe0f08e77bb94

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

Filesize
160KB

MD5
b5909365da262824f1c9e18f318fbaba

SHA1
d89092da078159f57f919c550cb8f61dc830732a

SHA256
3e12c7796df948420476b80d15472606d58eead4665c18184f1cdfd2787362d0

SHA512
099aa88809b6f20bace7aaca51d3e1f9f93143d8f5d9af3d12bf5a1126c481c96bc6c7582890d1e007793e054b56974fee852121d7c08a8e42ed912a98080814

Download Submit
memory/4200-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4200-901-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download