bdaejec | dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0

Analysis

max time kernel
150s
max time network
128s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
09/08/2026, 10:16

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General

Target
dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe
Size 833KB
Sample260809-marksadm51
SHA256 dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0
MD5 65ea6b27d5c0223105de8f753687f38e
SHA1 66cdf62d3b8b97582acf28fa97eff4bb68d80866
SHA512 ff92e8a878b5f0200e4ba42b5a98fb88a4b4ddb03fe88116eeb4e9d8a0df2711f4edd7b3e7e4ae8c5d1c9ef0fcdd590e21fee0d0e32a42d110ca2cf46db90dc3
SSDEEP 24576:4lgpA7BAcIG9UDWk81NnMlgdNOS5rGJW9:exIG9rk81NOgd0S5qs9
TLSH
T144050250BBA0D03DE0B751F47979D7A8B52D39B05B2460CF12E22ADF5634AE0ECB125B
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

aspackv2 backdoor discovery execution bdaejec djvu ransomware

Malware Config

Extracted

Family

djvu

http://fuyt.org/fhsgtsspen6/get.php

Attributes

extension
.mmuz
offline_id
dYUDKE4rrBmSPsf8srHMsyP40jle9uyxDDCfdxt1
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-NdDG3HIUZp 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: 0428Jsfkjn

rsa_pubkey.plain

Extracted

Family

bdaejec

ddos.dnsnb8.net

Signatures

Family: Bdaejec
Bdaejec is a backdoor written in C++.
backdoor bdaejec
Family: Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu

Detected Djvu ransomware 2 IoCs

resource	yara_rule
behavioral2/memory/5524-11-0x0000000002340000-0x000000000245B000-memory.dmp	family_djvu
behavioral2/memory/4960-12-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/4172-15-0x0000000000E70000-0x0000000000E79000-memory.dmp	family_bdaejec_backdoor

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000d000000016cd6-6.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
4172	sQDjAv.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5524 set thread context of 4960	5524	dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe	90

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Windows Defender Advanced Threat Protection\SenseAP.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	sQDjAv.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	sQDjAv.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	sQDjAv.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\SecHealthUI.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SCANPST.EXE	sQDjAv.exe
File opened for modification	C:\Program Files\Windows Defender Advanced Threat Protection\SenseCM.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Windows Defender Advanced Threat Protection\SenseIR.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	sQDjAv.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	sQDjAv.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	sQDjAv.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	sQDjAv.exe
File opened for modification	C:\Program Files\Windows Defender\NisSrv.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	sQDjAv.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	sQDjAv.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	sQDjAv.exe
File opened for modification	C:\Program Files\Windows Defender Advanced Threat Protection\SenseGPParser.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	sQDjAv.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	sQDjAv.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	sQDjAv.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	sQDjAv.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	sQDjAv.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	sQDjAv.exe
File opened for modification	C:\Program Files\Windows Defender\MsMpEng.exe	sQDjAv.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

execution

Windows Command Shell

T1059.003

pid	Process
3080	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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sQDjAv.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5524 wrote to memory of 4172	5524	dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe	89
PID 5524 wrote to memory of 4960	5524	dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe	90
PID 5524 wrote to memory of 4960	5524	dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe	90
PID 5524 wrote to memory of 4960	5524	dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe	90
PID 5524 wrote to memory of 4960	5524	dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe	90
PID 5524 wrote to memory of 4960	5524	dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe	90
PID 5524 wrote to memory of 4960	5524	dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe	90
PID 5524 wrote to memory of 4960	5524	dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe	90
PID 4172 wrote to memory of 3080	4172	sQDjAv.exe	93

C:\Users\Admin\AppData\Local\Temp\dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe
"C:\Users\Admin\AppData\Local\Temp\dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5524
- C:\Users\Admin\AppData\Local\Temp\sQDjAv.exe
  C:\Users\Admin\AppData\Local\Temp\sQDjAv.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4172
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\13ce71ff.bat" "
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:3080
- C:\Users\Admin\AppData\Local\Temp\dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe
  "C:\Users\Admin\AppData\Local\Temp\dcee34741b1210576a620d3e22d5945f1aea34f8d9940a0b9d098c7ebe0bd1d0.exe"
  2⤵
  PID:4960

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

13ce71ff.bat

Path C:\Users\Admin\AppData\Local\Temp\13ce71ff.bat
Size 187B
SHA256 1e529c4228fe12a3228a352cd21294253ea584174f8c968085d76411f647676e
MD5 36048eac3380e947ec9bc6cc078db35c
SHA1 6516c999f98f5dadb1107a60082f82b92be1d031
SHA512 85cd4b491cea14739b0b6f48c669fed852abb9c4484a11ba5b0b7c8d8c26bc662a4533634cddbb4752bbe3f4e4834c1bf227fccea2692621eb16caf24d2b5e62
TLSH
T19DC012438387C7991454542706F5A18DC065086C7F9A3B114B35945C61BE40DF9C7F11
MD5 SHA1 SHA512 TLSH

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sQDjAv.exe

Path C:\Users\Admin\AppData\Local\Temp\sQDjAv.exe
Size 15KB
SHA256 4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794
MD5 f7d21de5c4e81341eccd280c11ddcc9a
SHA1 d4e9ef10d7685d491583c6fa93ae5d9105d815bd
SHA512 e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3
SSDEEP 384:IXZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:gQGPL4vzZq2o9W7GsxBbPr
TLSH
T1A462BFB34FC098FFC4CD353341853687CB7B4670DABA617F826288372895E19AC55495
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/4172-5-0x0000000000E70000-0x0000000000E79000-memory.dmp

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memory/4172-15-0x0000000000E70000-0x0000000000E79000-memory.dmp

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memory/4960-12-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/5524-0-0x0000000000400000-0x00000000004FD000-memory.dmp

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memory/5524-11-0x0000000002340000-0x000000000245B000-memory.dmp

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memory/5524-14-0x0000000000400000-0x00000000004FD000-memory.dmp

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memory/5524-9-0x00000000022A0000-0x0000000002338000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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