bdaejec | 68db21626bce76165cdb99a2078654a90a9674b2000f50b9c325c56b6dfa6599

Analysis

max time kernel
95s
max time network
100s
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 06:34

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General

Target

68db21626bce76165cdb99a2078654a90a9674b2000f50b9c325c56b6dfa6599.exe
Size

78KB
MD5

2c9f9a78423756f4c0ac434826955780
SHA1

0c1a54c751d5b91cb87c3bbd11d83240cae322af
SHA256

68db21626bce76165cdb99a2078654a90a9674b2000f50b9c325c56b6dfa6599
SHA512

588042bccac3e051acf1c393b572de0b6f1e3d9225dac683888820a8b19fd7b78c9a73e6651d85eac8173cb28a3b0fd1b16c59f3d69ceb92bec6173a79b02393
SSDEEP

768:Uwckfpik6qYXy7dMkIwzsWUHUpOCdoR+vMiHfdOae/QGPL4vzZq2o9W7GsxBbPrq:xFfh7dGs3wqOCSR6MesaeYGCq2iW7zu

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/2888-45-0x00000000003D0000-0x00000000003D9000-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/0x000c000000023b01-4.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	LNuOql.exe

Executes dropped EXE 1 IoCs

pid	Process
2888	LNuOql.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	LNuOql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	LNuOql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	LNuOql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	LNuOql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	LNuOql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	LNuOql.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	LNuOql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	LNuOql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	LNuOql.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	LNuOql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	LNuOql.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	LNuOql.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{F123CA10-B28F-434D-9884-6C3679B73C43}\chrome_installer.exe	LNuOql.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	LNuOql.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	LNuOql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	LNuOql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	LNuOql.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	LNuOql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	LNuOql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	LNuOql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	LNuOql.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	LNuOql.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	LNuOql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	LNuOql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	LNuOql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	LNuOql.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	LNuOql.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	LNuOql.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	LNuOql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	LNuOql.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	LNuOql.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	LNuOql.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	LNuOql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	LNuOql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	LNuOql.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	LNuOql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	LNuOql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	LNuOql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	LNuOql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	LNuOql.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	LNuOql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe	LNuOql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	LNuOql.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	LNuOql.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	68db21626bce76165cdb99a2078654a90a9674b2000f50b9c325c56b6dfa6599.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LNuOql.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3496	68db21626bce76165cdb99a2078654a90a9674b2000f50b9c325c56b6dfa6599.exe
3496	68db21626bce76165cdb99a2078654a90a9674b2000f50b9c325c56b6dfa6599.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3496 wrote to memory of 2888	3496	68db21626bce76165cdb99a2078654a90a9674b2000f50b9c325c56b6dfa6599.exe	83
PID 3496 wrote to memory of 2888	3496	68db21626bce76165cdb99a2078654a90a9674b2000f50b9c325c56b6dfa6599.exe	83
PID 3496 wrote to memory of 2888	3496	68db21626bce76165cdb99a2078654a90a9674b2000f50b9c325c56b6dfa6599.exe	83
PID 2888 wrote to memory of 2420	2888	LNuOql.exe	85
PID 2888 wrote to memory of 2420	2888	LNuOql.exe	85
PID 2888 wrote to memory of 2420	2888	LNuOql.exe	85

C:\Users\Admin\AppData\Local\Temp\68db21626bce76165cdb99a2078654a90a9674b2000f50b9c325c56b6dfa6599.exe
"C:\Users\Admin\AppData\Local\Temp\68db21626bce76165cdb99a2078654a90a9674b2000f50b9c325c56b6dfa6599.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3496
- C:\Users\Admin\AppData\Local\Temp\LNuOql.exe
  C:\Users\Admin\AppData\Local\Temp\LNuOql.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:2888
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\75545ab2.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2420

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\Microsoft\Windows\INetCache\IE\8R55UT9S\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\334E214F.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\75545ab2.bat

Filesize
187B

MD5
fd6911e74cb9e4008d8fea1f1c433d3f

SHA1
5a75331a269d25f883a8e1e8bf29c1c92c423e07

SHA256
d0f9212d2563e4a363e3d87632dad336495f1e0bee393d13577cd61a6f300618

SHA512
e8c9760994ee849a692c6812ddc0f44ff752ca26a196e9b7448ed7284d77926ff1435b3ea303a3f0e6b5cbe3206f947794547d806b1742f108953ffb79fdd711

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2888-5-0x00000000003D0000-0x00000000003D9000-memory.dmp

Filesize
36KB

Download
memory/2888-45-0x00000000003D0000-0x00000000003D9000-memory.dmp

Filesize
36KB

Download
memory/3496-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3496-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download