bdaejec | da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07

Analysis

max time kernel
133s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-10-2024 06:22

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General

Target

da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe
Size

52KB
MD5

b900e9796b2c23cc9f7a976916fd7244
SHA1

3c2f2c12b08be97082fab3c7599d2993789cd222
SHA256

da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07
SHA512

502603f4042f59977465abe1ca43c0b551ab636eed998e1a641822bb0c31bfca71e6a2464a7ec476fd2d278c1bf6c426170c5ce1247d87afdc21342c731dc291
SSDEEP

768:QVMe3Vk9haLNFZ131W8g/78QGPL4vzZq2o9W7GsxBbPr:uMASiLNFZdO/7fGCq2iW7z

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

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/4892-47-0x0000000000360000-0x0000000000369000-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/0x000c000000023b15-3.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	bOWKzr.exe

Executes dropped EXE 1 IoCs

pid	Process
4892	bOWKzr.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{AFD1DC19-D740-4861-ADFA-3BC6A9F6A223}\chrome_installer.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	bOWKzr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	bOWKzr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	bOWKzr.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	bOWKzr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	bOWKzr.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	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	bOWKzr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	bOWKzr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	bOWKzr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	bOWKzr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	bOWKzr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	bOWKzr.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	bOWKzr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	bOWKzr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	bOWKzr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	bOWKzr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	bOWKzr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe	bOWKzr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	bOWKzr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	bOWKzr.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	bOWKzr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3808 wrote to memory of 4892	3808	da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe	84
PID 3808 wrote to memory of 4892	3808	da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe	84
PID 3808 wrote to memory of 4892	3808	da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe	84
PID 4892 wrote to memory of 4948	4892	bOWKzr.exe	88
PID 4892 wrote to memory of 4948	4892	bOWKzr.exe	88
PID 4892 wrote to memory of 4948	4892	bOWKzr.exe	88

C:\Users\Admin\AppData\Local\Temp\da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe
"C:\Users\Admin\AppData\Local\Temp\da091d699a88251cfe0eee508e0137a3bf174e7e2aa1088fd6dc494012a99b07.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3808
- C:\Users\Admin\AppData\Local\Temp\bOWKzr.exe
  C:\Users\Admin\AppData\Local\Temp\bOWKzr.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:4892
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\37205821.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4948

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\VKYZDMA5\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0E726DC2.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\37205821.bat

Filesize
187B

MD5
e6b08a2e8d76ee166913e0966172bb8b

SHA1
8165d1df7610b9d214d02dd2dc4a4959ea1fe4f4

SHA256
ebfca94d99e58dd0304c0309364a54a9a1d96893e8e83736c351e4a3294405fd

SHA512
7b994fdf836e89e48a4fd7900432682073863a36b501c1f1cc58bae9c6168383475c8090932da36df978a0162a29468479e564ababfd71f1f7c5427c6dfb6a56

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3808-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/3808-7-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4892-5-0x0000000000360000-0x0000000000369000-memory.dmp

Filesize
36KB

Download
memory/4892-47-0x0000000000360000-0x0000000000369000-memory.dmp

Filesize
36KB

Download