bdaejec | dbeb578c366bac54e21557e07d3af90c757e134e1cf90ebe8fd799650fd3838f

Analysis

max time kernel
106s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 12:58

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General

Target

2025-01-02_4eee65406b2d09df1fa5f4acdfbcae3a_smoke-loader_wapomi.exe
Size

820KB
MD5

4eee65406b2d09df1fa5f4acdfbcae3a
SHA1

3bff4caafeb79c311078b67e9a1703dd229b2a82
SHA256

dbeb578c366bac54e21557e07d3af90c757e134e1cf90ebe8fd799650fd3838f
SHA512

749cdba975ee6aa1039a08a77cbf54677f8bb93abbaa374b82d0f5372877d1c2fc8a09aad0ff0e8f01dc5e939c3a6b3598552a41fd8ab7f5b3e69108cc461667
SSDEEP

12288:In78aejEi7Qec2MDFs88z1y55r4cP43NC+HvnPmygtMqU0LbE8bKFZQLPkNmGKG+:+gEiXc22uz1y5ffx1t

Score

10^/10

bdaejec aspackv2 backdoor discovery

Malware Config

Extracted

Family

bdaejec

ddos.dnsnb8.net

Signatures

Bdaejec
Bdaejec is a backdoor written in C++.
backdoor bdaejec
Bdaejec family
bdaejec

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/4552-8-0x00000000007F0000-0x00000000007F9000-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/0x000b000000023b6f-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	gKaEFX.exe

Executes dropped EXE 1 IoCs

pid	Process
4552	gKaEFX.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	gKaEFX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	gKaEFX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	gKaEFX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	gKaEFX.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	gKaEFX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	gKaEFX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	gKaEFX.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	gKaEFX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	gKaEFX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	gKaEFX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	gKaEFX.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	gKaEFX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	gKaEFX.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	gKaEFX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	gKaEFX.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	gKaEFX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	gKaEFX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	gKaEFX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	gKaEFX.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	gKaEFX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	gKaEFX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	gKaEFX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	gKaEFX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	gKaEFX.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-02_4eee65406b2d09df1fa5f4acdfbcae3a_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gKaEFX.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3680	2025-01-02_4eee65406b2d09df1fa5f4acdfbcae3a_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3680 wrote to memory of 4552	3680	2025-01-02_4eee65406b2d09df1fa5f4acdfbcae3a_smoke-loader_wapomi.exe	82
PID 3680 wrote to memory of 4552	3680	2025-01-02_4eee65406b2d09df1fa5f4acdfbcae3a_smoke-loader_wapomi.exe	82
PID 3680 wrote to memory of 4552	3680	2025-01-02_4eee65406b2d09df1fa5f4acdfbcae3a_smoke-loader_wapomi.exe	82
PID 4552 wrote to memory of 804	4552	gKaEFX.exe	92
PID 4552 wrote to memory of 804	4552	gKaEFX.exe	92
PID 4552 wrote to memory of 804	4552	gKaEFX.exe	92

C:\Users\Admin\AppData\Local\Temp\2025-01-02_4eee65406b2d09df1fa5f4acdfbcae3a_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-02_4eee65406b2d09df1fa5f4acdfbcae3a_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3680
- C:\Users\Admin\AppData\Local\Temp\gKaEFX.exe
  C:\Users\Admin\AppData\Local\Temp\gKaEFX.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4552
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6bff4100.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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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Downloads

C:\Users\Admin\AppData\Local\Temp\6bff4100.bat

Filesize
187B

MD5
70b6e8cf36f31e5f5cdaa8e2fcb18da3

SHA1
cfb1d9167c992b8004e4c842b0ecd49e0618a51e

SHA256
902639b9aa8d215db98639f0d8c9114a8e276c527e0a62a596f63b9627552e24

SHA512
e8237e028c81503b15b1ae3b4b75455812d0bdbbac27ceb4e8cb79fafd4bdd500bc06b638a3025cdeae006135fde57460634a7b94876dd5b2c23f7c4d496aaf4

Download Submit
C:\Users\Admin\AppData\Local\Temp\gKaEFX.exe

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3680-0-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/3680-7-0x0000000000400000-0x00000000004D1000-memory.dmp

Filesize
836KB

Download
memory/4552-4-0x00000000007F0000-0x00000000007F9000-memory.dmp

Filesize
36KB

Download
memory/4552-8-0x00000000007F0000-0x00000000007F9000-memory.dmp

Filesize
36KB

Download