bdaejec | 02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457

Analysis

max time kernel
148s
max time network
115s
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, 10:36

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General

Target
02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe
Size 797KB
Sample260809-mnp9waaa87
SHA256 02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457
MD5 135fa780592dbc9a794897d3afa33617
SHA1 94f87dd8f65d376048cdf87e3ea5b392acdbe4b7
SHA512 584b283c51846a122457b03cf981e0241a41cb1da7c86f56fa83ae81483a7415efd7c40434fc310358448860bdf991cc1a7839e64431f957be42d0ee29d0daf2
SSDEEP 12288:z+gg5In1ab4il+xSp+sqKXOo7RqBeUdvWz67OrkRxqkJ2R6Te5HoZ6x:qgg5e1q4il+xA+sn+TB7WRkJ2pdoZ
TLSH
T19C0512617A50E0B3C46B25B0A459CAA1AD6FB8325737810B3BA1073E0F513D5E97BB4F
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
.bpqd
offline_id
y6oQcfhmSRc7ZQ1q8yjLE3LhY8kK7FHg6LLlEht1
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-zHDj26n4NW 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: 0418Jsfkjn

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/6012-10-0x00000000023D0000-0x00000000024EB000-memory.dmp	family_djvu
behavioral2/memory/4332-11-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/2148-15-0x0000000000A10000-0x0000000000A19000-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/0x000b000000011377-4.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2148	cXHjoH.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 6012 set thread context of 4332	6012	02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe	90

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	cXHjoH.exe
File opened for modification	C:\Program Files\Windows Defender Advanced Threat Protection\SenseIR.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	cXHjoH.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CNFNOT32.EXE	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	cXHjoH.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\setup.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SCANPST.EXE	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	cXHjoH.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\SecHealthUI.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	cXHjoH.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\OLCFG.EXE	cXHjoH.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nmhproxy.exe	cXHjoH.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	cXHjoH.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	cXHjoH.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	cXHjoH.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Windows Defender\MpCopyAccelerator.exe	cXHjoH.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	cXHjoH.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	cXHjoH.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	cXHjoH.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\MpCmdRun.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	cXHjoH.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Windows Defender\mpextms.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Windows Defender Advanced Threat Protection\SenseAP.exe	cXHjoH.exe
File opened for modification	C:\Program Files\Windows Defender Advanced Threat Protection\SenseIdentity.exe	cXHjoH.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
4596	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	cXHjoH.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 6012 wrote to memory of 2148	6012	02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe	88
PID 6012 wrote to memory of 4332	6012	02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe	90
PID 6012 wrote to memory of 4332	6012	02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe	90
PID 6012 wrote to memory of 4332	6012	02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe	90
PID 6012 wrote to memory of 4332	6012	02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe	90
PID 6012 wrote to memory of 4332	6012	02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe	90
PID 6012 wrote to memory of 4332	6012	02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe	90
PID 6012 wrote to memory of 4332	6012	02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe	90
PID 2148 wrote to memory of 4596	2148	cXHjoH.exe	92

C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe
"C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:6012
- C:\Users\Admin\AppData\Local\Temp\cXHjoH.exe
  C:\Users\Admin\AppData\Local\Temp\cXHjoH.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2148
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\107317e4.bat" "
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:4596
- C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe
  "C:\Users\Admin\AppData\Local\Temp\02f9c72d0b1cc241e46cd2b65e8ec63a233dead29e44c739a5bb3860a654d457.exe"
  2⤵
  PID:4332

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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107317e4.bat

Path C:\Users\Admin\AppData\Local\Temp\107317e4.bat
Size 187B
SHA256 578b7d39b2452a8ea2a122c5b1da108ed5ce3e88cfd2ecfdd7be8e17ea7a6cf5
MD5 0428a8ae23eefcdd1a0d8c0429aeaaa7
SHA1 f9f908f2bdbc8361f5791624453372666d80b340
SHA512 77364ff67e7aac7bedc4ffdf9eccbd96cdcc4050468e88c362167c77ad19beac2e2daec1f7bb1909e3a2740eeed9a6a5b66b3169e750292c9f14dbc887e8c0ee
TLSH
T14AC012128286CB5D5454901726F1614CD16508993F992B114F20846C71D641EB5C3302
MD5 SHA1 SHA512 TLSH

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cXHjoH.exe

Path C:\Users\Admin\AppData\Local\Temp\cXHjoH.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/2148-5-0x0000000000A10000-0x0000000000A19000-memory.dmp

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memory/2148-15-0x0000000000A10000-0x0000000000A19000-memory.dmp

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memory/4332-11-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/6012-0-0x0000000000400000-0x00000000004F9000-memory.dmp

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memory/6012-10-0x00000000023D0000-0x00000000024EB000-memory.dmp

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memory/6012-9-0x0000000002330000-0x00000000023C9000-memory.dmp

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memory/6012-14-0x0000000000400000-0x00000000004F9000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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