bdaejec | d587b5780ab151b51925a1062bb39c3a6bd04c8d4e03791e0bfa057e0c7dbc3c

Analysis

max time kernel
141s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20250410-en
resource tags

arch:x64arch:x86image:win10v2004-20250410-enlocale:en-usos:windows10-2004-x64system
submitted
18/04/2025, 05:28

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General

Target

d587b5780ab151b51925a1062bb39c3a6bd04c8d4e03791e0bfa057e0c7dbc3c.exe
Size

1.9MB
MD5

445dc52297f20ea8618f0eced0aa6d6f
SHA1

b489b63fe6593438250fd5ab0b03e7f6463e04b2
SHA256

d587b5780ab151b51925a1062bb39c3a6bd04c8d4e03791e0bfa057e0c7dbc3c
SHA512

b4712485eb32dfd3dcee2b5f7b3c92d353a427b06f2c7714c7355076f5e71287fbacc07c73107c017ec50ca646df0e0a03e851717bcbb7ffa73b7cc0ed41f292
SSDEEP

49152:oJ4iC5oCn0sNg/CVvIbzARahniK6vAJrCYLlCsf/DcgNtmc1DtBqLoBX2p0U1:04j5oO0sNg/CVvIbzARahniFAJrCYLl8

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
behavioral1/memory/5404-46-0x0000000000F40000-0x0000000000F49000-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/0x0004000000023099-3.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-1-5-21-3027557611-1484967174-339164627-1000\Control Panel\International\Geo\Nation	wCZXue.exe

Executes dropped EXE 1 IoCs

pid	Process
5404	wCZXue.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	wCZXue.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	wCZXue.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	wCZXue.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	wCZXue.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevated_tracing_service.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	wCZXue.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	wCZXue.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	wCZXue.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	wCZXue.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	wCZXue.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	wCZXue.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	wCZXue.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	wCZXue.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	wCZXue.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	wCZXue.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	wCZXue.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	wCZXue.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	wCZXue.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	wCZXue.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	wCZXue.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	wCZXue.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	wCZXue.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	wCZXue.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	wCZXue.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	wCZXue.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	wCZXue.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	wCZXue.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	wCZXue.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	d587b5780ab151b51925a1062bb39c3a6bd04c8d4e03791e0bfa057e0c7dbc3c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	wCZXue.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
232	d587b5780ab151b51925a1062bb39c3a6bd04c8d4e03791e0bfa057e0c7dbc3c.exe
232	d587b5780ab151b51925a1062bb39c3a6bd04c8d4e03791e0bfa057e0c7dbc3c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 232 wrote to memory of 5404	232	d587b5780ab151b51925a1062bb39c3a6bd04c8d4e03791e0bfa057e0c7dbc3c.exe	86
PID 232 wrote to memory of 5404	232	d587b5780ab151b51925a1062bb39c3a6bd04c8d4e03791e0bfa057e0c7dbc3c.exe	86
PID 232 wrote to memory of 5404	232	d587b5780ab151b51925a1062bb39c3a6bd04c8d4e03791e0bfa057e0c7dbc3c.exe	86
PID 5404 wrote to memory of 5004	5404	wCZXue.exe	92
PID 5404 wrote to memory of 5004	5404	wCZXue.exe	92
PID 5404 wrote to memory of 5004	5404	wCZXue.exe	92

C:\Users\Admin\AppData\Local\Temp\d587b5780ab151b51925a1062bb39c3a6bd04c8d4e03791e0bfa057e0c7dbc3c.exe
"C:\Users\Admin\AppData\Local\Temp\d587b5780ab151b51925a1062bb39c3a6bd04c8d4e03791e0bfa057e0c7dbc3c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:232
- C:\Users\Admin\AppData\Local\Temp\wCZXue.exe
  C:\Users\Admin\AppData\Local\Temp\wCZXue.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:5404
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\51476719.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5004

Network

MITRE ATT&CK Enterprise v16

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\UL1LUHE1\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\40151AB5.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\51476719.bat

Filesize
187B

MD5
8bf6ddeb3b45422c339208229caa94a6

SHA1
94060b2c27ab2fa5a0f1f096bfa427dd7b0255df

SHA256
67583d2f51fc0add41f92bdc67ddc9088d6b1585dbd70a96744eb0bfe11b5bf1

SHA512
3ba6e41381e508f84450f26ff9b6ca1b86959ee9cc1dddc6aa3905ea3efc9fc48342c2d2fea9c0aef554cb0899cee7b1960c051a583778cdcf517bf2cd403e5a

Download Submit
C:\Users\Admin\AppData\Local\Temp\token.ini

Filesize
17B

MD5
702dd5e92a9101fbdb0f38af127ba24f

SHA1
efdcd3a278adf51856f59ee69c9e496a2e908279

SHA256
74d85029c1cf56c9cfb98095c520f6ec84c09f00a4a16d69512a92e7713a53d6

SHA512
09842a7e07f10954de1315f4a2f106afb44f55fc04ce1d0eb80ce3ad7019d11ef131d66423260211a2e7dca464fdf49ed2705c8f335be6665445ecaae26567b0

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/232-0-0x0000000000400000-0x0000000000622000-memory.dmp

Filesize
2.1MB

Download
memory/232-66-0x0000000000400000-0x0000000000622000-memory.dmp

Filesize
2.1MB

Download
memory/5404-4-0x0000000000F40000-0x0000000000F49000-memory.dmp

Filesize
36KB

Download
memory/5404-46-0x0000000000F40000-0x0000000000F49000-memory.dmp

Filesize
36KB

Download