bdaejec | 302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
28/05/2026, 17:37

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General

Target
302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
Size 3.0MB
Sample260528-v7cf5ahs4j
SHA256 302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5
MD5 eb616b7865bcae074f4b48aab4852cab
SHA1 0afc26747eacecae999ac1a685f0565afbd38c57
SHA512 2139a78aacf7b1a45a6fc10520645d05fd13a4631fcfd72be908185c7a0c0ce37b08f457e8979105ed5598a22874148f324f843b3e443c55183dd3819acccbfb
SSDEEP 49152:RrceIb3AXqee7NioliHSm/wybo8W+31hVJxdEGCRadbQDyWTXFCx2wibWHMLc+QR:RIbwXqeA8HSGwp8W+31hVJxdj5CWowyz
TLSH
T137E5CF223AC0C036C26336365D4AF37EB2E99A301B3556C7A6941E3DBD345D3A93961F
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

aspackv2 backdoor defense_evasion discovery bdaejec trojan

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/1880-15-0x00000000002D0000-0x00000000002D9000-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
behavioral1/files/0x0006000000009dd1-4.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-1-5-21-540052884-2969440504-464782435-1000\Control Panel\International\Geo\Nation	eHz.exe

Executes dropped EXE 2 IoCs

pid	Process
1880	eHz.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.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

description	ioc	Process
File opened (read-only)	\??\F:	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	eHz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	eHz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	eHz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	eHz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nmhproxy.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	eHz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	eHz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	eHz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	eHz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	eHz.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	eHz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	eHz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	eHz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	eHz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	eHz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	eHz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	eHz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	eHz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\140.0.7339.81\notification_helper.exe	eHz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	eHz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	eHz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	eHz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	eHz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	eHz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	eHz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	eHz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\140.0.7339.81\Installer\chrmstp.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	eHz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	eHz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	eHz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	eHz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	eHz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Edge.GameAssist_1.0.3456.0_x64__8wekyb3d8bbwe\EdgeGameAssist.exe	eHz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	eHz.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	eHz.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	eHz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	eHz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	eHz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	eHz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	eHz.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	eHz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	eHz.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	eHz.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	eHz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	eHz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	eHz.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 4 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	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eHz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe

Suspicious use of FindShellTrayWindow 8 IoCs

pid	Process
2636	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
2636	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
2636	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
2636	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe

Suspicious use of SendNotifyMessage 8 IoCs

pid	Process
2636	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
2636	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
2636	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
2636	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe

Suspicious use of SetWindowsHookEx 9 IoCs

pid	Process
2636	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
4728	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 1880	2636	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe	87
PID 2636 wrote to memory of 4728	2636	302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe	88
PID 1880 wrote to memory of 4916	1880	eHz.exe	110

C:\Users\Admin\AppData\Local\Temp\302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
"C:\Users\Admin\AppData\Local\Temp\302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Users\Admin\AppData\Local\Temp\eHz.exe
  C:\Users\Admin\AppData\Local\Temp\eHz.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:1880
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\07d7277e.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4916
- F:\GOM\302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
  302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe DEL C:\Users\Admin\AppData\Local\Temp\302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
  2⤵
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Enumerates connected drives
  - System Location Discovery: System Language Discovery
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:4728

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

07d7277e.bat

Path C:\Users\Admin\AppData\Local\Temp\07d7277e.bat
Size 181B
SHA256 600ea9825e11c4ff21d4e9041b312ed6c8596a71b6ee3231398c2c52da56a1cc
MD5 5dea3c63796db9a121fa613b2ee83cdc
SHA1 6d1797a20195cf5908518903e091936ad2d6c358
SHA512 d07cbefbfc675c556acca48ff447f9a8bdefa7e25dd99dd40e39de7b096ca62e0588ea11659f8913b5d778e82ad25193131cf6444c5597661857da431371370c
TLSH
T193C01281C2A6C76E2864502B2AE1618CD16A08A83FC93B315B2088ADA1A680DFAC7301
MD5 SHA1 SHA512 TLSH

Submit Download

eHz.exe

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

Submit Download

302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe

Path F:\GOM\302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5.exe
Size 3.0MB
SHA256 302a8d3eaa03faa1573dc40f9e8266443c8a9104be61eb15cf126d3a5dc928c5
MD5 eb616b7865bcae074f4b48aab4852cab
SHA1 0afc26747eacecae999ac1a685f0565afbd38c57
SHA512 2139a78aacf7b1a45a6fc10520645d05fd13a4631fcfd72be908185c7a0c0ce37b08f457e8979105ed5598a22874148f324f843b3e443c55183dd3819acccbfb
SSDEEP 49152:RrceIb3AXqee7NioliHSm/wybo8W+31hVJxdEGCRadbQDyWTXFCx2wibWHMLc+QR:RIbwXqeA8HSGwp8W+31hVJxdj5CWowyz
TLSH
T137E5CF223AC0C036C26336365D4AF37EB2E99A301B3556C7A6941E3DBD345D3A93961F
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1880-5-0x00000000002D0000-0x00000000002D9000-memory.dmp

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memory/1880-15-0x00000000002D0000-0x00000000002D9000-memory.dmp

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memory/2636-0-0x00000000004E0000-0x0000000000837000-memory.dmp

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memory/2636-13-0x00000000004E0000-0x0000000000837000-memory.dmp

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memory/4728-12-0x0000000000220000-0x0000000000577000-memory.dmp

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memory/4728-16-0x0000000000220000-0x0000000000577000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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