233fe7bc23d5a67d58fb4235fbeac235e0d0247f865d94f49556615549c76d81

Analysis

max time kernel
120s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/08/2024, 05:18

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Report Analysis Logs

General

Target

630805d8200009bd71094b89a26c82f0N.exe
Size

83KB
MD5

630805d8200009bd71094b89a26c82f0
SHA1

7075d78ea285cf2e80ebafae65784977b2b2ee1c
SHA256

233fe7bc23d5a67d58fb4235fbeac235e0d0247f865d94f49556615549c76d81
SHA512

826e00622c3e0c4605639f6b92b42eb9d1249f471e24c4e3d1703ce02d65678ff31a403d35892eef2f818a0e7e30892594840b98a3f9c41634438c08c071ac3d
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxyhy:fnyiQSoS

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4541) 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/1660-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023458-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/1660-1806-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-CA\tipresx.dll.mui.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Common Files\System\ado\msado20.tlb.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msdaremr.dll.mui.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.CodeDom.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Resources.Extensions.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\jdwpTransport.h.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteR_Grace-ul-oob.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_MAK_AE-ppd.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-math-l1-1-0.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\default_apps\external_extensions.json.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Interceptor.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Trial-ul-oob.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\BOMB.WAV.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\pkeyconfig-office-client15.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ppd.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\sqlxmlx.rll.mui.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ul.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019R_Retail-pl.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-80.png.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\7-Zip\Lang\cs.txt.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ServiceProcess.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Encodings.Web.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Blue.xml.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Trial-ul-oob.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Windows.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Excel.ReportingServices.QueryDesigners.Extensions.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTest-pl.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-ul-oob.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeServiceBypassR_PrepidBypass-ppd.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\msdasqlr.dll.mui.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqloledb.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ObjectModel.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\ReachFramework.resources.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\UIAutomationTypes.resources.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\WindowsBase.resources.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linessimple.dotx.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.contrast-black_scale-180.png.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\7-Zip\7-zip32.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\7-Zip\Lang\uz-cyrl.txt.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-sysinfo-l1-1-0.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusMSDNR_Retail-ul-phn.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Csp.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-pl.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Grace-ppd.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Memory.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.CoreLib.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Debug.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Xaml.resources.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.Win32.Registry.AccessControl.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_100_percent.pak.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-pl.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.scale-180.png.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\oledb32r.dll.mui.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Formats.Tar.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\System.Windows.Controls.Ribbon.resources.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_OEM_Perp-ul-phn.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-process-l1-1-0.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial2-pl.xrm-ms.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClientSideProviders.resources.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Forms.resources.dll.tmp	630805d8200009bd71094b89a26c82f0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\management\jmxremote.password.template.tmp	630805d8200009bd71094b89a26c82f0N.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	630805d8200009bd71094b89a26c82f0N.exe

C:\Users\Admin\AppData\Local\Temp\630805d8200009bd71094b89a26c82f0N.exe
"C:\Users\Admin\AppData\Local\Temp\630805d8200009bd71094b89a26c82f0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1660

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
83KB

MD5
f74b3f1f63b024ccdefb0c6badf6e01e

SHA1
542038c050009e14e4b492cfcac7f7b903dd4bb4

SHA256
068274564812a5476a705edf542b54bfe44b0923f73c64ea397897defc38332d

SHA512
1a4bcf8504a45513f220329eeeb5632205899fda36eb259a1200bdcd07315f534e8c8d8f430b563bdb5fa677acff6ee370ed5b87007d7898bcf9c3caadb7d06d

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

Filesize
182KB

MD5
5f2db74773ffabe13ca939f8dbc21de0

SHA1
62c1c8b95daf842426c057226e0a409f060fc993

SHA256
5f3e75174a2c6e2db1e049c2d3a270c22a0ad52bffdd16c49200d4fc797a65e2

SHA512
f6d49bcddc7c48bc9b71ad768c5fd96580cad1beea891bdcc457d2cddaf9d7a4bcee5ee5b22a17d7b768e8f67f2b7179eb5a88fff824b1f698ebdb223f8d1c76

Download Submit
memory/1660-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1660-1806-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download