bdaejec | ba85fc92d05875f82e71163894723d68bd599c4a38df236f80b7c2b8b632ef56

Analysis

max time kernel
103s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-10-2024 01:28

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General

Target

ba85fc92d05875f82e71163894723d68bd599c4a38df236f80b7c2b8b632ef56N.exe
Size

52KB
MD5

64aeb58341e253fbd5ea45a92438f650
SHA1

3242322c9fcb6cd9d101c8cdbfda1b915369b95b
SHA256

ba85fc92d05875f82e71163894723d68bd599c4a38df236f80b7c2b8b632ef56
SHA512

684357cfb16bb81413e69de20453163d526bbd9210301eed3743ed74285aeba138463daa577d5ac77d1465e64ba24df90b06674f1f43f5e8eb52d75f71be6615
SSDEEP

768:LAc884T68rN3dpQGPL4vzZq2o9W7GsxBbPr:Hi68rNN+GCq2iW7z

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/3692-46-0x0000000000A70000-0x0000000000A79000-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/0x000a000000023c0e-5.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	baJZLe.exe

Executes dropped EXE 1 IoCs

pid	Process
3692	baJZLe.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	baJZLe.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	baJZLe.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	baJZLe.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	baJZLe.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	baJZLe.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	baJZLe.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	baJZLe.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	baJZLe.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	baJZLe.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	baJZLe.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	baJZLe.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	baJZLe.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	baJZLe.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	baJZLe.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	baJZLe.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	baJZLe.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	baJZLe.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	baJZLe.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	baJZLe.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	baJZLe.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	baJZLe.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	baJZLe.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	baJZLe.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	baJZLe.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	baJZLe.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	baJZLe.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	baJZLe.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	baJZLe.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	baJZLe.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	baJZLe.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	ba85fc92d05875f82e71163894723d68bd599c4a38df236f80b7c2b8b632ef56N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	baJZLe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
408	ba85fc92d05875f82e71163894723d68bd599c4a38df236f80b7c2b8b632ef56N.exe
408	ba85fc92d05875f82e71163894723d68bd599c4a38df236f80b7c2b8b632ef56N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 408 wrote to memory of 3692	408	ba85fc92d05875f82e71163894723d68bd599c4a38df236f80b7c2b8b632ef56N.exe	84
PID 408 wrote to memory of 3692	408	ba85fc92d05875f82e71163894723d68bd599c4a38df236f80b7c2b8b632ef56N.exe	84
PID 408 wrote to memory of 3692	408	ba85fc92d05875f82e71163894723d68bd599c4a38df236f80b7c2b8b632ef56N.exe	84
PID 3692 wrote to memory of 1672	3692	baJZLe.exe	88
PID 3692 wrote to memory of 1672	3692	baJZLe.exe	88
PID 3692 wrote to memory of 1672	3692	baJZLe.exe	88

C:\Users\Admin\AppData\Local\Temp\ba85fc92d05875f82e71163894723d68bd599c4a38df236f80b7c2b8b632ef56N.exe
"C:\Users\Admin\AppData\Local\Temp\ba85fc92d05875f82e71163894723d68bd599c4a38df236f80b7c2b8b632ef56N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:408
- C:\Users\Admin\AppData\Local\Temp\baJZLe.exe
  C:\Users\Admin\AppData\Local\Temp\baJZLe.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:3692
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\27d77917.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1672

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\M6JHG9EK\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\27d77917.bat

Filesize
187B

MD5
0da74fd81e3d2f31f0595af8b2eaa913

SHA1
23d694c141b83d7970a70d6fa3d4dd473c59443f

SHA256
97632eb15ecac366a5eebdc823b8b655e26596631e177ae91ba5d275ca213165

SHA512
48bf39fac86aa8c4a6ba480f42644f6a28c7e1a3510d98b93bea5ff565c8e4d601bfbd8a53ec4cf42b199df5cfd9258a61ad3fc22f454d243e7cf0ed08b67568

Download Submit
C:\Users\Admin\AppData\Local\Temp\42BD6F30.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/408-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/408-48-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/3692-4-0x0000000000A70000-0x0000000000A79000-memory.dmp

Filesize
36KB

Download
memory/3692-46-0x0000000000A70000-0x0000000000A79000-memory.dmp

Filesize
36KB

Download