bdaejec | f25972fb00bcf47cff85444086fabac6ce99a8fcc9d0cf2fb1fcf27902647fdb

Analysis

max time kernel
93s
max time network
94s
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 10:23

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General

Target

f25972fb00bcf47cff85444086fabac6ce99a8fcc9d0cf2fb1fcf27902647fdbN.exe
Size

72KB
MD5

588781f18c6c0b3d66a115b7ecb41d20
SHA1

bc14ee5d6ac26d722e3fc1a39b9ec1f235e0b174
SHA256

f25972fb00bcf47cff85444086fabac6ce99a8fcc9d0cf2fb1fcf27902647fdb
SHA512

6830ce10d6482f495cb566ba597e8cf919f895696c003ad929ac09b02897c289c30edc47db0cae2b11ebe95e7f6c56fc4605b8738d616ffab4fac70be8f9d288
SSDEEP

768:2/Gm1E9RVbStaqwqWvDjomVO/nUCAgls7+XjQGPL4vzZq2o9W7GsxBbPr:2/PVaqwJDPV+Rls7+X0GCq2iW7z

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/2924-47-0x0000000000210000-0x0000000000219000-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/0x000c000000023b22-3.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	nLtCKL.exe

Executes dropped EXE 1 IoCs

pid	Process
2924	nLtCKL.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	nLtCKL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	nLtCKL.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	nLtCKL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	nLtCKL.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	nLtCKL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	nLtCKL.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	nLtCKL.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	nLtCKL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	nLtCKL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	nLtCKL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	nLtCKL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	nLtCKL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	nLtCKL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	nLtCKL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	nLtCKL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	nLtCKL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	nLtCKL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	nLtCKL.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	nLtCKL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	nLtCKL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	nLtCKL.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	nLtCKL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	nLtCKL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	nLtCKL.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	nLtCKL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	nLtCKL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	nLtCKL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	nLtCKL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	nLtCKL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	nLtCKL.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	nLtCKL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	nLtCKL.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	nLtCKL.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	nLtCKL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	nLtCKL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	nLtCKL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	nLtCKL.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	f25972fb00bcf47cff85444086fabac6ce99a8fcc9d0cf2fb1fcf27902647fdbN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nLtCKL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4640 wrote to memory of 2924	4640	f25972fb00bcf47cff85444086fabac6ce99a8fcc9d0cf2fb1fcf27902647fdbN.exe	84
PID 4640 wrote to memory of 2924	4640	f25972fb00bcf47cff85444086fabac6ce99a8fcc9d0cf2fb1fcf27902647fdbN.exe	84
PID 4640 wrote to memory of 2924	4640	f25972fb00bcf47cff85444086fabac6ce99a8fcc9d0cf2fb1fcf27902647fdbN.exe	84
PID 2924 wrote to memory of 4464	2924	nLtCKL.exe	85
PID 2924 wrote to memory of 4464	2924	nLtCKL.exe	85
PID 2924 wrote to memory of 4464	2924	nLtCKL.exe	85

C:\Users\Admin\AppData\Local\Temp\f25972fb00bcf47cff85444086fabac6ce99a8fcc9d0cf2fb1fcf27902647fdbN.exe
"C:\Users\Admin\AppData\Local\Temp\f25972fb00bcf47cff85444086fabac6ce99a8fcc9d0cf2fb1fcf27902647fdbN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4640
- C:\Users\Admin\AppData\Local\Temp\nLtCKL.exe
  C:\Users\Admin\AppData\Local\Temp\nLtCKL.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:2924
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6fdb0b8f.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4464

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0CF20E2F.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\6fdb0b8f.bat

Filesize
187B

MD5
3b4305e6cc570203d38d1c8c96141a5e

SHA1
5063c80a19e0c1eb568cbdae88c71d385e459f53

SHA256
9379b4aaad7a5051002363f940c6b2a36c47720093d717f020af3bc92c371fe9

SHA512
b1061a500cd86cb8026f237dd54aeba724b6eaedd393dd42272e8594302d81e8145012b6364ffdf783e71b8aeeea32abe13b049793e639a916880b0de724946b

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2924-4-0x0000000000210000-0x0000000000219000-memory.dmp

Filesize
36KB

Download
memory/2924-47-0x0000000000210000-0x0000000000219000-memory.dmp

Filesize
36KB

Download
memory/4640-0-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/4640-7-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download