bdaejec | da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3

Analysis

max time kernel
150s
max time network
131s
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, 10:10

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General

Target
da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3.exe
Size 791KB
Sample260809-l7cmfsvhpe
SHA256 da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3
MD5 b25caa528f8f10fb97c76b6a26d6432b
SHA1 4a3dc7e969ba450a93fbfafd51b234b6cfc29e96
SHA512 effb3d3bcedd730716d5833322f4f713e4f9c9959937c4241359543322db97df147ed7aea4e6bc3c36d116c9a2b41b2427533a57bb95da035d99cfd02e7365e8
SSDEEP 24576:YFfrvnPQobzgpMX1v0IIf694rBEtOuEQ:YvnJbspY904eyOuEQ
TLSH
T19B050210BB90C035F4B721F48A7E976DA52EBAB05B2590CB72C55BEF12346D5EC3224B
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/1608-11-0x0000000002360000-0x000000000247B000-memory.dmp	family_djvu
behavioral2/memory/1164-10-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/3172-15-0x00000000006A0000-0x00000000006A9000-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/0x000a000000019caa-4.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
3172	GWBxSa.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1608 set thread context of 1164	1608	da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3.exe	91

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	GWBxSa.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	GWBxSa.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	GWBxSa.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	GWBxSa.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	GWBxSa.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	GWBxSa.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Windows Defender Advanced Threat Protection\SenseSampleUploader.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	GWBxSa.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	GWBxSa.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.exe	GWBxSa.exe
File opened for modification	C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CNFNOT32.EXE	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	GWBxSa.exe
File opened for modification	C:\Program Files\Windows Defender\MpCopyAccelerator.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	GWBxSa.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	GWBxSa.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	GWBxSa.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
5944	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	da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GWBxSa.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 3172	1608	da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3.exe	90
PID 1608 wrote to memory of 1164	1608	da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3.exe	91
PID 1608 wrote to memory of 1164	1608	da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3.exe	91
PID 1608 wrote to memory of 1164	1608	da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3.exe	91
PID 1608 wrote to memory of 1164	1608	da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3.exe	91
PID 1608 wrote to memory of 1164	1608	da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3.exe	91
PID 1608 wrote to memory of 1164	1608	da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3.exe	91
PID 1608 wrote to memory of 1164	1608	da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3.exe	91
PID 3172 wrote to memory of 5944	3172	GWBxSa.exe	93

C:\Users\Admin\AppData\Local\Temp\da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3.exe
"C:\Users\Admin\AppData\Local\Temp\da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Users\Admin\AppData\Local\Temp\GWBxSa.exe
  C:\Users\Admin\AppData\Local\Temp\GWBxSa.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3172
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\74ae4003.bat" "
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:5944
- C:\Users\Admin\AppData\Local\Temp\da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3.exe
  "C:\Users\Admin\AppData\Local\Temp\da0197bad20f02cc3ba3518daa460c3d40ced2349abecb67311647e0aaf870f3.exe"
  2⤵
  PID:1164

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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74ae4003.bat

Path C:\Users\Admin\AppData\Local\Temp\74ae4003.bat
Size 187B
SHA256 dd6b7b05945c800889162e077e7f32dcd3c11d1bc31e629bd3b2952260b30745
MD5 ceb8fbf5ddb3ebaa965d1b0cbde11c61
SHA1 15e12c7260571139c3b4dfff9f70f54f0b1dac34
SHA512 edad112645002d893b1abf66e0d09d690fd9703794fc840c92aee2afbf2c95526cc01bf26fcd22b362dd38f8309ca6ff19eecad9ff0c2028be28872d031f09a9
TLSH
T15DC012018287C66E1C55606B06F5614DC069189C3B4B3B114B20845D71A654DF6D7341
MD5 SHA1 SHA512 TLSH

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GWBxSa.exe

Path C:\Users\Admin\AppData\Local\Temp\GWBxSa.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/1164-10-0x0000000000400000-0x0000000000537000-memory.dmp

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memory/1608-0-0x0000000000400000-0x00000000004F2000-memory.dmp

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memory/1608-11-0x0000000002360000-0x000000000247B000-memory.dmp

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memory/1608-14-0x0000000000400000-0x00000000004F2000-memory.dmp

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memory/1608-9-0x00000000022C0000-0x0000000002359000-memory.dmp

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memory/3172-5-0x00000000006A0000-0x00000000006A9000-memory.dmp

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memory/3172-15-0x00000000006A0000-0x00000000006A9000-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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