bdaejec | 202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3

Analysis

max time kernel
150s
max time network
113s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
24/08/2026, 03:51

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General

Target
202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe
Size 774KB
Sample260824-eegmdaca55
SHA256 202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3
MD5 801a00a6c89dcb9b7839a53eccfc8fc1
SHA1 eb9ee227ca410890e51d954de4b63e1cca69f0ad
SHA512 c2a329b139bd110e2550dcd63ba496f9b55196b259a33241067812a00ca6860eaf6023ed90fa02b9ec76212b660dcab135cddfef6dd49ea05421d897764df4c8
SSDEEP 12288:r/at8TRzWQs9YC3VSZyw3cZY+0SOjwlXLzHYUKTOsh:rit8TRzYz3VSZ0ZE1MlbzHYBOs
TLSH
T123F42322B259C972C1091176B9D5AB12DB3D2031B7E4090BF7849AF8AF03756673B36F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

aspackv2 backdoor discovery execution bdaejec djvu ransomware

Malware Config

Extracted

Family

djvu

http://fuyt.org/test1/get.php

Attributes

extension
.wdlo
offline_id
i0fXrUHVihm5xsI9Icg243YMPJqd748Ocimkyjt1
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-0S984cQ4B3 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: 0430JIjdm

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/2132-10-0x0000000002380000-0x000000000249B000-memory.dmp	family_djvu
behavioral2/memory/3080-11-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/3304-15-0x00000000006B0000-0x00000000006B9000-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/0x000800000001b83c-4.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
3304	lgYdZ.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2132 set thread context of 3080	2132	202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe	90

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	lgYdZ.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\MpCmdRun.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	lgYdZ.exe
File opened for modification	C:\Program Files\Windows Defender\NisSrv.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	lgYdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	lgYdZ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	lgYdZ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	lgYdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Windows Defender Advanced Threat Protection\SenseGPParser.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Windows Defender Advanced Threat Protection\SenseAP.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Windows Defender\MpCopyAccelerator.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Windows Defender\mpextms.exe	lgYdZ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	lgYdZ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SecHealthUI_1000.26100.1.0_x64__8wekyb3d8bbwe\SecHealthUI.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	lgYdZ.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	lgYdZ.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	lgYdZ.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	lgYdZ.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE	lgYdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Windows Defender\MpDlpCmd.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevated_tracing_service.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	lgYdZ.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	lgYdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nmhproxy.exe	lgYdZ.exe
File opened for modification	C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	lgYdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	lgYdZ.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
3468	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	202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lgYdZ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 3304	2132	202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe	89
PID 2132 wrote to memory of 3080	2132	202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe	90
PID 2132 wrote to memory of 3080	2132	202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe	90
PID 2132 wrote to memory of 3080	2132	202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe	90
PID 2132 wrote to memory of 3080	2132	202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe	90
PID 2132 wrote to memory of 3080	2132	202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe	90
PID 2132 wrote to memory of 3080	2132	202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe	90
PID 2132 wrote to memory of 3080	2132	202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe	90
PID 3304 wrote to memory of 3468	3304	lgYdZ.exe	93

C:\Users\Admin\AppData\Local\Temp\202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe
"C:\Users\Admin\AppData\Local\Temp\202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Users\Admin\AppData\Local\Temp\lgYdZ.exe
  C:\Users\Admin\AppData\Local\Temp\lgYdZ.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3304
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\04d45412.bat" "
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:3468
- C:\Users\Admin\AppData\Local\Temp\202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe
  "C:\Users\Admin\AppData\Local\Temp\202259937df72d3e7e341ce852a48938616e0d98a091d976f5342bf82e132ce3.exe"
  2⤵
  PID:3080

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k GPSvcGroup
1⤵
PID:3768

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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04d45412.bat

Path C:\Users\Admin\AppData\Local\Temp\04d45412.bat
Size 185B
SHA256 f5f4e47ab7f69b441f6df86fe8d2bf78dc79d68f668f77d7e8be02b2e1b44b90
MD5 5b1575f3a89a7f2b9691a3e8918cc21d
SHA1 998774133e30e5126d4daea1464081dd75f93f8f
SHA512 1775e1f3d92efb9b827ba2b451b09aa5472d5799228ee44288f09b02f9af13a6a3c51127a175fd51aef832b20712207da1c4c803c5590e383ee9550c2e06b61b
TLSH
T1EAC01242C2C7CA6F545450170AE5668EC0650C593B593B214B31845C61AFD6DB5D7341
MD5 SHA1 SHA512 TLSH

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lgYdZ.exe

Path C:\Users\Admin\AppData\Local\Temp\lgYdZ.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/2132-2-0x0000000000400000-0x0000000000505000-memory.dmp

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memory/2132-9-0x00000000022E0000-0x0000000002374000-memory.dmp

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memory/2132-10-0x0000000002380000-0x000000000249B000-memory.dmp

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memory/2132-14-0x0000000000400000-0x0000000000505000-memory.dmp

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memory/3080-11-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/3304-5-0x00000000006B0000-0x00000000006B9000-memory.dmp

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memory/3304-15-0x00000000006B0000-0x00000000006B9000-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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