a9e16f6c17371ae272e35b945a2fe87d1999cc07704312e8f981d9d508c49594

Analysis

max time kernel
120s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/08/2024, 23:21

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General

Target

11063146dbe4eda3617dd638418c29b0N.exe
Size

42KB
MD5

11063146dbe4eda3617dd638418c29b0
SHA1

ba2c4a1e9975bac8ddfa4ac6362d694198501b50
SHA256

a9e16f6c17371ae272e35b945a2fe87d1999cc07704312e8f981d9d508c49594
SHA512

2da9fb3aae98fd7363582461061e40bc3c27dc331ff923546e2014aa1e4e5eee4d0314e488f921cfa2b8813f37dac381d19a4a19448413cc779ffba137fb066d
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcwBcCBcw/tio/ti8cx8ojzcx8ojQocHEocHL:CTW7JJ7TTQoQTWojQWojjqXqL

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4680) 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/1352-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023442-2.dat	upx
behavioral2/files/0x000400000002291b-6.dat	upx
behavioral2/memory/1352-1196-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial-ul-oob.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-pl.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ul-oob.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_COL.HXC.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Handles.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\cldr.md.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-memory-l1-1-0.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\7-Zip\Lang\nn.txt.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_SubTrial-ppd.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FilterModule.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\WindowsFormsIntegration.resources.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-math-l1-1-0.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Retail-pl.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\TYPE.WAV.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-handle-l1-1-0.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ServiceProcess.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Controls.Ribbon.resources.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\[email protected]	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial-ul-oob.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql70.xsl.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.kk-kz.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Channels.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\7-Zip\7z.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-pl.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Grace-ul-oob.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-stdio-l1-1-0.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jhat.exe.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteFreeR_Bypass-ppd.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Grace-ul-oob.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ko-KR\tipresx.dll.mui.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.Pkcs.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntry2019R_PrepidBypass-ppd.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTrial-ul-oob.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-conio-l1-1-0.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\vcruntime140.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Retail-ul-phn.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.PowerBI.AdomdClient.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.TypeConverter.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Java\jdk-1.8\release.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\giflib.md.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\sunec.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessVDI2019_eula.txt.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-white_scale-180.png.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Common Files\System\ado\msader15.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.FileSystem.DriveInfo.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\WindowsBase.resources.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.ConnectionUI.Dialog.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mip_upe_sdk.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOSB.DLL.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.Luna.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Retail-pl.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Grace-ul-oob.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Trial-ppd.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msotd.exe.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Aero.dll.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\VisualElements\SmallLogoDev.png.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\rmid.exe.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-pl.xrm-ms.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\as80.xsl.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\DRUMROLL.WAV.tmp	11063146dbe4eda3617dd638418c29b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.X509Certificates.dll.tmp	11063146dbe4eda3617dd638418c29b0N.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	11063146dbe4eda3617dd638418c29b0N.exe

C:\Users\Admin\AppData\Local\Temp\11063146dbe4eda3617dd638418c29b0N.exe
"C:\Users\Admin\AppData\Local\Temp\11063146dbe4eda3617dd638418c29b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1352

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-1-5-21-1302416131-1437503476-2806442725-1000\desktop.ini.tmp

Filesize
42KB

MD5
937cc9b6133480650a58dfa61e5f412d

SHA1
dbec5f3d35c3a0af232d580d1a256d6a32adde6e

SHA256
8115d3a773174a7cf0de03eb939a129f4e979b45f94735a8cb9f6259731031aa

SHA512
14a76996994ce1c3c7cca81db172a33ed1975be5532561c09c82a8c8526bbc528d05f9e9e008b58894abf8f06a33117e694ffca11a1485bfad543f71ba50ff0c

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

Filesize
141KB

MD5
86f9377298562fc3a4cdef1167e546b0

SHA1
a2826b3d67b3884a9a4b5ac3aab4c433137ad4ba

SHA256
604da8650ffa52c76e6ed18aaa302ab4bb170fe8710e5a4f902db7f952776a4d

SHA512
a730810895b8c1ea8fd77dc580abdc6011b456fa3c75c0eb4023489e060e35abda80ddab84908a1a422e7be599a3cee859de8551317545628eeab9533a818c21

Download Submit
memory/1352-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1352-1196-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download