bdaejec | dd22461a8a992d7fcfb7cfdd55cd189c858dddeb3635a7d81d98f17a7546b836

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 22:45

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General

Target

dd22461a8a992d7fcfb7cfdd55cd189c858dddeb3635a7d81d98f17a7546b836.exe
Size

12.0MB
MD5

14ee7277d649da4eda37d8706c9db8be
SHA1

d83be1602c096670b2d6b8e64fc17c9cc815855a
SHA256

dd22461a8a992d7fcfb7cfdd55cd189c858dddeb3635a7d81d98f17a7546b836
SHA512

9f1a274b4a33052b714bf72ca5c6da0c0d3ac332affd60870e734ddda89d5b1a56430cee93dae8696b26331d01939e8b226d409993690bad566241137f00fd4f
SSDEEP

49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+z4FTCTMqQ:s/KU9/pyJx9Y5elM0T

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. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/4972-5-0x0000000000540000-0x0000000000549000-memory.dmp	family_bdaejec_backdoor
behavioral2/memory/4972-10-0x0000000000540000-0x0000000000549000-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/0x0009000000023c8e-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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	KNfrEY.exe

Executes dropped EXE 1 IoCs

pid	Process
4972	KNfrEY.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	KNfrEY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	KNfrEY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	KNfrEY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	KNfrEY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	KNfrEY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	KNfrEY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	KNfrEY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	KNfrEY.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	KNfrEY.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	KNfrEY.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	KNfrEY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	KNfrEY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	KNfrEY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	KNfrEY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	KNfrEY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	KNfrEY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	KNfrEY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	KNfrEY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	KNfrEY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	KNfrEY.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	KNfrEY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	KNfrEY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	KNfrEY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	KNfrEY.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	dd22461a8a992d7fcfb7cfdd55cd189c858dddeb3635a7d81d98f17a7546b836.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KNfrEY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4332	dd22461a8a992d7fcfb7cfdd55cd189c858dddeb3635a7d81d98f17a7546b836.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4332	dd22461a8a992d7fcfb7cfdd55cd189c858dddeb3635a7d81d98f17a7546b836.exe
4332	dd22461a8a992d7fcfb7cfdd55cd189c858dddeb3635a7d81d98f17a7546b836.exe
4332	dd22461a8a992d7fcfb7cfdd55cd189c858dddeb3635a7d81d98f17a7546b836.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4332 wrote to memory of 4972	4332	dd22461a8a992d7fcfb7cfdd55cd189c858dddeb3635a7d81d98f17a7546b836.exe	83
PID 4332 wrote to memory of 4972	4332	dd22461a8a992d7fcfb7cfdd55cd189c858dddeb3635a7d81d98f17a7546b836.exe	83
PID 4332 wrote to memory of 4972	4332	dd22461a8a992d7fcfb7cfdd55cd189c858dddeb3635a7d81d98f17a7546b836.exe	83
PID 4972 wrote to memory of 1908	4972	KNfrEY.exe	101
PID 4972 wrote to memory of 1908	4972	KNfrEY.exe	101
PID 4972 wrote to memory of 1908	4972	KNfrEY.exe	101

C:\Users\Admin\AppData\Local\Temp\dd22461a8a992d7fcfb7cfdd55cd189c858dddeb3635a7d81d98f17a7546b836.exe
"C:\Users\Admin\AppData\Local\Temp\dd22461a8a992d7fcfb7cfdd55cd189c858dddeb3635a7d81d98f17a7546b836.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4332
- C:\Users\Admin\AppData\Local\Temp\KNfrEY.exe
  C:\Users\Admin\AppData\Local\Temp\KNfrEY.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:4972
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\24ff672a.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1908

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\24ff672a.bat

Filesize
187B

MD5
eb54275cea75a6c59f8aa5426535d40e

SHA1
5da1c2dce6abe6829795988e08f9a55b6f8068c8

SHA256
a863d4ff0c1e4c1510616eeef5da7f503455ff389867246427b571b7d1e0c1b1

SHA512
787f944cfb295294d5a670ec21ba2e49120560a3d8e8666afd6d04c50fc125e7a1b72929d62ce9534fcba70400aefd163b106f23090766f872e609580628d731

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/4332-1-0x0000000000600000-0x0000000001261000-memory.dmp

Filesize
12.4MB

Download
memory/4332-8-0x0000000003660000-0x0000000003760000-memory.dmp

Filesize
1024KB

Download
memory/4332-9-0x0000000000600000-0x0000000001261000-memory.dmp

Filesize
12.4MB

Download
memory/4332-11-0x0000000003660000-0x0000000003760000-memory.dmp

Filesize
1024KB

Download
memory/4972-5-0x0000000000540000-0x0000000000549000-memory.dmp

Filesize
36KB

Download
memory/4972-10-0x0000000000540000-0x0000000000549000-memory.dmp

Filesize
36KB

Download