bdaejec | c8eaa16b6ccf54c7988e5999f0b298203e5fd60bd4075043ddf45dff48232ca8

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
30/09/2026, 04:27

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General

Target
2026-09-29_220afb1f5741fc555a3941e40b7885ee_elex_smoke-loader_wapomi.exe
Size 67KB
Sample260930-e2589axbjh
SHA256 c8eaa16b6ccf54c7988e5999f0b298203e5fd60bd4075043ddf45dff48232ca8
MD5 220afb1f5741fc555a3941e40b7885ee
SHA1 9358bf3ccc2f87bd6eb0a4da1922bb53bf8d32fd
SHA512 852c3940da612066f4e62354a0ce2c713f150e7cb97718beb00642a09036540eefa7cc466c8e94e060f217624856310982233b74a0b66a53613f16d8636d210f
SSDEEP 1536:cL3h0kozwYEZgYPXF/fZ8Ql3GCq2iW7z:Sz9F3Z8QlGCH
TLSH
T1CC638E237E0A8471D58452F168347BDB87BBF9360B7523D7B3C09D6E4A102D26D7391A
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

aspackv2 backdoor discovery execution bdaejec

Malware Config

Extracted

Family

bdaejec

ddos.dnsnb8.net

Signatures

Family: Bdaejec
Bdaejec is a backdoor written in C++.
backdoor bdaejec

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/1416-35-0x00000000003A0000-0x00000000003A9000-memory.dmp	family_bdaejec_backdoor

Detects executables packed with ASPack 3 IoCs

resource	yara_rule
behavioral1/files/0x0008000000024537-4.dat	INDICATOR_EXE_Packed_ASPack
behavioral1/memory/1416-5-0x00000000003A0000-0x00000000003A9000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral1/memory/1416-35-0x00000000003A0000-0x00000000003A9000-memory.dmp	INDICATOR_EXE_Packed_ASPack

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral1/files/0x0008000000024537-4.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1846164713-4096795028-774071693-1000\Control Panel\International\Geo\Nation	djkGku.exe

Executes dropped EXE 1 IoCs

pid	Process
1416	djkGku.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

ioc	Process
\??\F:\	djkGku.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	djkGku.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	djkGku.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	djkGku.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	djkGku.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	djkGku.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	djkGku.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	djkGku.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe	djkGku.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	djkGku.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	djkGku.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.15\createdump.exe	djkGku.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	djkGku.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	djkGku.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	djkGku.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	djkGku.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	djkGku.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	djkGku.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	djkGku.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	djkGku.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	djkGku.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	djkGku.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	djkGku.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	djkGku.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	djkGku.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	djkGku.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	djkGku.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	djkGku.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	djkGku.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	djkGku.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	djkGku.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	djkGku.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\140.0.7339.81\chrome_pwa_launcher.exe	djkGku.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	djkGku.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	djkGku.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	djkGku.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	djkGku.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	djkGku.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	djkGku.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	djkGku.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	djkGku.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	djkGku.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	djkGku.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	djkGku.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
812	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	djkGku.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	djkGku.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	2026-09-29_220afb1f5741fc555a3941e40b7885ee_elex_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	djkGku.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3828 wrote to memory of 1416	3828	2026-09-29_220afb1f5741fc555a3941e40b7885ee_elex_smoke-loader_wapomi.exe	87
PID 1416 wrote to memory of 812	1416	djkGku.exe	109

C:\Users\Admin\AppData\Local\Temp\2026-09-29_220afb1f5741fc555a3941e40b7885ee_elex_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2026-09-29_220afb1f5741fc555a3941e40b7885ee_elex_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3828
- C:\Users\Admin\AppData\Local\Temp\djkGku.exe
  C:\Users\Admin\AppData\Local\Temp\djkGku.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Enumerates connected drives
  - Drops file in Program Files directory
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1416
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\50533a3b.bat" "
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:812

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

50533a3b.bat

Path C:\Users\Admin\AppData\Local\Temp\50533a3b.bat
Size 187B
SHA256 6e7668d8b186b452aa91252cabe1491b952e9c6caf341d5397755f61d001af25
MD5 fe3fdb26fbd30d154b44fca05c837848
SHA1 9694c9a6d1d3e976d534a114a7ddaab19ba6ea80
SHA512 56337eec2d79016511abcef7bd19b698e33c6fff2b70ffef1dc45d42b07bc45792793c6ad903d93f29271ded85ee4ae8663c7f0da2b4ac0359db88c4da41b0b8
TLSH
T132C0120182C7D65B14AD501B0AE1614CC065095D3F592B1E5B30C45CA59680EBDC3701
MD5 SHA1 SHA512 TLSH

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747B3BDB.exe

Path C:\Users\Admin\AppData\Local\Temp\747B3BDB.exe
Size 1B
SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
MD5 68b329da9893e34099c7d8ad5cb9c940
SHA1 adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
SHA512 be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09
MD5 SHA1 SHA512

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747B3BDB.exe

Path C:\Users\Admin\AppData\Local\Temp\747B3BDB.exe
Size 1B
SHA256 08f271887ce94707da822d5263bae19d5519cb3614e0daedc4c7ce5dab7473f1
MD5 69691c7bdcc3ce6d5d8a1361f22d04ac
SHA1 c63ae6dd4fc9f9dda66970e827d13f7c73fe841c
SHA512 253405e03b91441a6dd354a9b72e040068b1bfe10e83eb1a64a086c05525d8ccae2bf09130c624af50d55c3522a4fbb7c18cfc8dd843e5f4801d9ad2b5164b12
MD5 SHA1 SHA512

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djkGku.exe

Path C:\Users\Admin\AppData\Local\Temp\djkGku.exe
Size 15KB
SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
MD5 56b2c3810dba2e939a8bb9fa36d3cf96
SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e
SSDEEP 384:7XZQaD7U8iu4YsAa7ZA0UvH2lsRv21yW7GbAxur6+Y9PffPz:1QGPL4vzZq2o9W7GsxBbPr
TLSH
T10B62BFB34EC098FFC4CD353340823687CB7B4670DABA617F826288372895E19AC55595
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/1416-5-0x00000000003A0000-0x00000000003A9000-memory.dmp

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memory/1416-35-0x00000000003A0000-0x00000000003A9000-memory.dmp

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memory/3828-0-0x0000000000BD0000-0x0000000000BE5000-memory.dmp

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memory/3828-36-0x0000000000BD0000-0x0000000000BE5000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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