80ddf050eaed4b4c670da8cc1a83402fd7b72c0a3f8ff5243784027e5ad8a7f2

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
03/09/2024, 17:56

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General

Target

221f2edb4e5ca495ac046be197df86b0N.exe
Size

75KB
MD5

221f2edb4e5ca495ac046be197df86b0
SHA1

1e836b0b4c7ca4da677c033dac2c29ce4818d8f9
SHA256

80ddf050eaed4b4c670da8cc1a83402fd7b72c0a3f8ff5243784027e5ad8a7f2
SHA512

fa2b0a2adba0e900dbbdc7c5c81c68e7767b271cab8d6ed0528ebfa71e759febb3e6d409f5d8e74c07330f267127d3738f2476e1f0d06817524e79ff27507fd0
SSDEEP

1536:CTWn1++PJHJXA/OsIZfzc3/Q8asUsJOLKc/xJtLJtTGl0Y:KQSohsUsUK90Y

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4644) 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/1628-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000800000002346c-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/1628-863-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-140.png.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Sockets.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-timezone-l1-1-0.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial4-ul-oob.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ul-oob.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Trial-ul-oob.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\POWERPNT_F_COL.HXK.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTest-ul-oob.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE.HXS.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msdaprsr.dll.mui.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Extensions.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.CoreLib.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationClientSideProviders.resources.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationTypes.resources.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_it.properties.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\IFDPINTL.DLL.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\en-US\msinfo32.exe.mui.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\WindowsFormsIntegration.resources.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Riblet.eftx.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-ul-phn.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-phn.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-phn.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Printing.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Input.Manipulations.resources.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_SubTrial-ul-oob.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-white_scale-180.png.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationFramework.resources.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\System.Windows.Controls.Ribbon.resources.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationCore.resources.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\PresentationUI.resources.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Grace-ppd.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunjce_provider.jar.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsrus.xml.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Text.RegularExpressions.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Trial-pl.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-ppd.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\tabskb.dll.mui.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Primitives.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\UIAutomationTypes.resources.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jli.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail-ppd.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Grace-ppd.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\rtscom.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ExcelNaiveBayesCommandRanker.txt.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\7-Zip\Lang\tg.txt.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Debug.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationProvider.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-pl.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProMSDNR_Retail-ul-oob.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_OEM_Perp-ul-phn.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ORGCHART.CHM.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sqlpdw.xsl.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipshi.xml.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\System.Windows.Forms.Primitives.resources.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\ReachFramework.resources.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages_ko.properties.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-pl.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ul-oob.xrm-ms.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\C2R64.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.scale-100.png.tmp	221f2edb4e5ca495ac046be197df86b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.dll.tmp	221f2edb4e5ca495ac046be197df86b0N.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	221f2edb4e5ca495ac046be197df86b0N.exe

C:\Users\Admin\AppData\Local\Temp\221f2edb4e5ca495ac046be197df86b0N.exe
"C:\Users\Admin\AppData\Local\Temp\221f2edb4e5ca495ac046be197df86b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1628

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-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp

Filesize
76KB

MD5
6aa048bbc0106651948b8e2dde8902b8

SHA1
ce9f12b5ee210a76b83628085a74bd2d30b91ac8

SHA256
b93839f669a884394439920e7e17a110290abbada815838b88ba1be0014841a1

SHA512
afda19579cf51ecb797a0aa5e93579269e7f51a09ee8427c5699870bf3d78eb5ace51aa57c5b25d487fd32f4e2ee21fbf4c4e03a2b89c28ef10fdbf9097d4527

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

Filesize
174KB

MD5
371bf35844a990c114200337e059e9cd

SHA1
cba48fc06e9a68ca35f2877fddf27e000023f50f

SHA256
351f7c3867629af80bbee6b0d8e09f314ccab33b2ae01dc8b448812fba86e81b

SHA512
52d66311e0de891a62437db083b237cbe9fd2cc0e802261a4d56cc1a438e1e47c3e60639fde5553122a9b2db2f26a211ae48b424dbb93af2262e5bf6160c9f7b

Download Submit
memory/1628-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1628-863-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download