Analysis
- max time kernel
150s - max time network
152s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260709-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
19/07/2026, 14:35
Static task
static1
Behavioral task
behavioral1
Sample
232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe
Resource
win10v2004-20260513-en
General
- Target 232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe
- Size 834KB
- Sample260719-ryctracy3q
- SHA256 232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b
- MD5 20741efb92edd220de77c9e7e59b6c29
- SHA1 61091ff70842a709c0283253be9b0e473bfa1054
- SHA512 fb66a40b9e65c73f525dcf4ca9c8a3eb3411aa4bee584fc6138ab4a8fba88cdc9cfeec26fe6c3dc38d18d6a8a8af550471d1bb6ef087433124c3898fb4b8f691
- SSDEEP 12288:e8K0AkD/lct8fzQooO2Q8u62R0qP/8WnFJ7VVrEXrS/8rZ5qtLgq0nFcjV7u:tu+OteztV8AdlY7Algq0nFJ
- TLSH T15D0512E1E641D033C95A397086EBD6E41B7E7871CEA6E1077338461E2F716C0AA3971E
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
-
djvu
-
http://fuyt.org/test1/get.php
-
extension
.iiof
-
offline_id
rpx4UUTYZiAR5omq187UvM233jloVHyJUkA8s3t1
-
payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
-
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-hsmBOFHh66 Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0410Jsfkjn
Extracted
-
bdaejec
-
ddos.dnsnb8.net
Signatures
- Family: Djvu Ransomware
Ransomware which is a variant of the STOP family.
- Detected Djvu ransomware 2 IoCs
resource yara_rule behavioral2/memory/4204-9-0x0000000002480000-0x000000000259B000-memory.dmp family_djvu behavioral2/memory/5408-10-0x0000000000400000-0x0000000000537000-memory.dmp family_djvu - Detects Bdaejec Backdoor. 1 IoCs
Bdaejec is backdoor written in C++.
resource yara_rule behavioral2/memory/5052-15-0x00000000003D0000-0x00000000003D9000-memory.dmp family_bdaejec_backdoor -
resource yara_rule behavioral2/files/0x000600000001b867-4.dat aspack_v212_v242 - Executes dropped EXE 1 IoCs
pid Process 5052 XrmUTb.exe - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4204 set thread context of 5408 4204 232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe 90 - Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Java\jdk-1.8\bin\jar.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe XrmUTb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE XrmUTb.exe File opened for modification C:\Program Files (x86)\Windows Defender\MpCmdRun.exe XrmUTb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe XrmUTb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE XrmUTb.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\unpack200.exe XrmUTb.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\os_update_handler.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe XrmUTb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe XrmUTb.exe File opened for modification C:\Program Files\Windows Defender\MpCopyAccelerator.exe XrmUTb.exe File opened for modification C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe XrmUTb.exe File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe XrmUTb.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe XrmUTb.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe XrmUTb.exe File opened for modification C:\Program Files\VideoLAN\VLC\uninstall.exe XrmUTb.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe XrmUTb.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe XrmUTb.exe File opened for modification C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstat.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\unpack200.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\wsgen.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\java-rmi.exe XrmUTb.exe File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe XrmUTb.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE XrmUTb.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc.exe XrmUTb.exe File opened for modification C:\Program Files\Windows Defender\MpDefenderCoreService.exe XrmUTb.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe XrmUTb.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe XrmUTb.exe File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe XrmUTb.exe File opened for modification C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE XrmUTb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE XrmUTb.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\klist.exe XrmUTb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE XrmUTb.exe File opened for modification C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe XrmUTb.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jhat.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\keytool.exe XrmUTb.exe File opened for modification C:\Program Files\Windows Defender\MsMpEng.exe XrmUTb.exe File opened for modification C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe XrmUTb.exe File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe XrmUTb.exe File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe XrmUTb.exe File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe XrmUTb.exe File opened for modification C:\Program Files\Mozilla Firefox\private_browsing.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe XrmUTb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE XrmUTb.exe File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoasb.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe XrmUTb.exe File opened for modification C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe XrmUTb.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 2208 cmd.exe - System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language XrmUTb.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe - Suspicious use of WriteProcessMemory 9 IoCs
description pid Process procid_target PID 4204 wrote to memory of 5052 4204 232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe 89 PID 4204 wrote to memory of 5408 4204 232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe 90 PID 4204 wrote to memory of 5408 4204 232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe 90 PID 4204 wrote to memory of 5408 4204 232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe 90 PID 4204 wrote to memory of 5408 4204 232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe 90 PID 4204 wrote to memory of 5408 4204 232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe 90 PID 4204 wrote to memory of 5408 4204 232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe 90 PID 4204 wrote to memory of 5408 4204 232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe 90 PID 5052 wrote to memory of 2208 5052 XrmUTb.exe 92
Processes
-
C:\Users\Admin\AppData\Local\Temp\232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe"C:\Users\Admin\AppData\Local\Temp\232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4204 -
C:\Users\Admin\AppData\Local\Temp\XrmUTb.exeC:\Users\Admin\AppData\Local\Temp\XrmUTb.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5052 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\398c795a.bat" "3⤵
- Executes a command shell one-liner
- System Location Discovery: System Language Discovery
PID:2208
-
-
-
C:\Users\Admin\AppData\Local\Temp\232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe"C:\Users\Admin\AppData\Local\Temp\232d25948db02a80f05a71382a8fda0000fb08df82778f30322d5844ce7d167b.exe"2⤵PID:5408
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\398c795a.bat
- Size 187B
- SHA256 eee587383bb6f8ae5b7458feaa1eb9d51281415bc94070d7793264151c37f57f
- MD5 f3e87d3bae9700c903ee3784f4ae12b3
- SHA1 e7b20d31ac23babb78a6b9414422a66f1ddf5b0c
- SHA512 925198d640e28d405aa7d84778dbdd7a7ee60af14e1e7c60b5d86e0ec2cd7a3e0971e289e8842f9da55f8ea4e6d35d517f8f467314d40effd734a57d25a0f850
- TLSH T1F5C01205C297D76D1494501B06E6615DC0750DAC3F596B218B20C85C629741DB9C7301
- MD5 SHA1 SHA512 TLSH
- Path C:\Users\Admin\AppData\Local\Temp\XrmUTb.exe
- Size 15KB
- SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
- MD5 f7d21de5c4e81341eccd280c11ddcc9a
- SHA1 d4e9ef10d7685d491583c6fa93ae5d9105d815bd
- SHA512 e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3
- SSDEEP 384:IXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:gQGPL4vzZq2o9W7GsxBbPr
- TLSH T1A462BFB34FC098FFC4CD353341853687CB7B4670DABA617F826288372895E19AC55495
- MD5 SHA1 SHA512 SSDEEP TLSH