bdaejec | f7f0a7546ba2a6ee13b4014239693b0b18c08017000f51b2612a58f75e7ba646

Analysis

max time kernel
149s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20260911-en
resource tags

arch:x64arch:x86image:win10v2004-20260911-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
30/10/2026, 01:01

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General

Target
2026-10-28_801cbd987444da2601ea57d4994e3905_elex_smoke-loader_wapomi.exe
Size 4.4MB
Sample261030-bdevlsch87
SHA256 f7f0a7546ba2a6ee13b4014239693b0b18c08017000f51b2612a58f75e7ba646
MD5 801cbd987444da2601ea57d4994e3905
SHA1 006ab568f542e6a7fd6ecce897f064fb788a99d1
SHA512 a187c5e76f3720eb0b6eabfba7b21e75536aa940d1482fc6da9c869edae8351f31f288712d5063bd478bfed0aec03e0cb32972922941ff28caee7865866d7ba4
SSDEEP 98304:hhZa+r+9qdjK/+jVzW5kXMXkmjP5vx8hf1XFfWocW:hH1rUgq+jljiXlv6hfjfdc
TLSH
T1DE263348F5D94C20C03A32B5EECBC9681762ECA604215D373BE77BCE776A2525EA530D
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. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/8-6-0x0000000000790000-0x0000000000799000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/8-56-0x0000000000790000-0x0000000000799000-memory.dmp	family_bdaejec_backdoor

Detects executables packed with ASPack 3 IoCs

resource	yara_rule
behavioral1/files/0x000e000000024121-3.dat	INDICATOR_EXE_Packed_ASPack
behavioral1/memory/8-6-0x0000000000790000-0x0000000000799000-memory.dmp	INDICATOR_EXE_Packed_ASPack
behavioral1/memory/8-56-0x0000000000790000-0x0000000000799000-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/0x000e000000024121-3.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-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\International\Geo\Nation	gav.exe

Executes dropped EXE 1 IoCs

pid	Process
8	gav.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	gav.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	gav.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	gav.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	gav.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	gav.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	gav.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	gav.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	gav.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	gav.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	gav.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	gav.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nmhproxy.exe	gav.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	gav.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	gav.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	gav.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	gav.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	gav.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	gav.exe
File opened for modification	C:\Program Files (x86)\Google\GoogleUpdater\141.0.7340.0\disabledupdater.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	gav.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	gav.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	gav.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	gav.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	gav.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	gav.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	gav.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	gav.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	gav.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	gav.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	gav.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	gav.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	gav.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE	gav.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	gav.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	gav.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	gav.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	gav.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	gav.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	gav.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	gav.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	gav.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	gav.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	gav.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	gav.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
628	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	gav.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	gav.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	2026-10-28_801cbd987444da2601ea57d4994e3905_elex_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gav.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1180	2026-10-28_801cbd987444da2601ea57d4994e3905_elex_smoke-loader_wapomi.exe
1180	2026-10-28_801cbd987444da2601ea57d4994e3905_elex_smoke-loader_wapomi.exe
1180	2026-10-28_801cbd987444da2601ea57d4994e3905_elex_smoke-loader_wapomi.exe
1180	2026-10-28_801cbd987444da2601ea57d4994e3905_elex_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 8	1180	2026-10-28_801cbd987444da2601ea57d4994e3905_elex_smoke-loader_wapomi.exe	84
PID 8 wrote to memory of 628	8	gav.exe	94

C:\Users\Admin\AppData\Local\Temp\2026-10-28_801cbd987444da2601ea57d4994e3905_elex_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2026-10-28_801cbd987444da2601ea57d4994e3905_elex_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Users\Admin\AppData\Local\Temp\gav.exe
  C:\Users\Admin\AppData\Local\Temp\gav.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - 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:8
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3cce6305.bat" "
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    PID:628

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

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

k2[1].rar

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0TVW3OXT\k2[1].rar
Size 1B
SHA256 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
MD5 68b329da9893e34099c7d8ad5cb9c940
SHA1 adc83b19e793491b1c6ea0fd8b46cd9f32e592fc
SHA512 be688838ca8686e5c90689bf2ab585cef1137c999b48c70b92f67a5c34dc15697b5d11c982ed6d71be1e1e7f7b4e0733884aa97c3f7a339a8ed03577cf74be09
MD5 SHA1 SHA512

Submit Download

3cce6305.bat

Path C:\Users\Admin\AppData\Local\Temp\3cce6305.bat
Size 181B
SHA256 ba52067b6f481297c52dee61526b73136fd766c76b3ca3c90fcb1923eb9c5f8b
MD5 eac61d162e06e7a559926807d8ba2be7
SHA1 de9309bc09c952ee64ee8d88d6dff485629722d0
SHA512 0aa4a84f275a173193995e38ccc0aaa94dfbe0522b2be31721b0f6055b4ce12f373e33377cbc26afcb46a7ff8b497b8d1edfc80e18ba7068858340c08bcfcb67
TLSH
T1F7C012028297D66A1854A51706E1714CC8A508AC3B8D3B114B20845C65A640DB5C7381
MD5 SHA1 SHA512 TLSH

Submit Download

473752F8.exe

Path C:\Users\Admin\AppData\Local\Temp\473752F8.exe
Size 1B
SHA256 08f271887ce94707da822d5263bae19d5519cb3614e0daedc4c7ce5dab7473f1
MD5 69691c7bdcc3ce6d5d8a1361f22d04ac
SHA1 c63ae6dd4fc9f9dda66970e827d13f7c73fe841c
SHA512 253405e03b91441a6dd354a9b72e040068b1bfe10e83eb1a64a086c05525d8ccae2bf09130c624af50d55c3522a4fbb7c18cfc8dd843e5f4801d9ad2b5164b12
MD5 SHA1 SHA512

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gav.exe

Path C:\Users\Admin\AppData\Local\Temp\gav.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/8-6-0x0000000000790000-0x0000000000799000-memory.dmp

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memory/8-56-0x0000000000790000-0x0000000000799000-memory.dmp

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memory/1180-44-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-49-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-24-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-39-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-40-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-41-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-42-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-43-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-16-0x0000000000416000-0x0000000000417000-memory.dmp

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memory/1180-45-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-46-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-47-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-48-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-15-0x0000000002AB0000-0x0000000002AB1000-memory.dmp

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memory/1180-50-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-51-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-52-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-53-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-54-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-7-0x0000000000FB0000-0x0000000000FB3000-memory.dmp

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memory/1180-57-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-60-0x0000000000FB0000-0x0000000000FB3000-memory.dmp

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memory/1180-61-0x0000000002AB0000-0x0000000002AB1000-memory.dmp

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memory/1180-66-0x0000000000400000-0x0000000000E23000-memory.dmp

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memory/1180-5-0x0000000000400000-0x0000000000E23000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads