bdaejec | 65698d0f78a8b142e28e077c1bac2bf24a950df6c46277c4a76b12066d4977f8

General

Target

65698d0f78a8b142e28e077c1bac2bf24a950df6c46277c4a76b12066d4977f8.exe
Size

50KB
MD5

af7210680d438a82c1f2539ee82e0ae4
SHA1

7ecc373ae91d7dee40a6cda7fee5e9348ae71e17
SHA256

65698d0f78a8b142e28e077c1bac2bf24a950df6c46277c4a76b12066d4977f8
SHA512

7ee2479bc189a3258b4c0eb2d1421ce6b48e1d2a55371b8bf93f240009733af6d8a9e63093469923ae5b9a073dd83cec30d9a60c70c7432de1ee901b95757dfd
SSDEEP

768:6dwNNlcdyo+4lMreJfbg52cyJkWtyC3VQGPL4vzZq2o9W7GsxBbPr:6OwY4m6fbZ3pty0SGCq2iW7z

Score

10^/10

bdaejec aspackv2 backdoor discovery

Malware Config

Extracted

Family

bdaejec

C2

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++.

Processes:

resource	yara_rule
behavioral2/memory/4032-46-0x00000000005F0000-0x00000000005F9000-memory.dmp	family_bdaejec_backdoor

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\XHlrCJ.exe	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

Processes:

XHlrCJ.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation XHlrCJ.exe
Executes dropped EXE 1 IoCs

Processes:

XHlrCJ.exe

pid process

4032 XHlrCJ.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	XHlrCJ.exe

pid	process
4032	XHlrCJ.exe

Drops file in Program Files directory 64 IoCs

Processes:

XHlrCJ.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	XHlrCJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	XHlrCJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	XHlrCJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	XHlrCJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	XHlrCJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	XHlrCJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{87F23B05-A117-4666-BB8C-A9C77E6BFB56}\chrome_installer.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	XHlrCJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	XHlrCJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	XHlrCJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	XHlrCJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	XHlrCJ.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	XHlrCJ.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	XHlrCJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	XHlrCJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	XHlrCJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	XHlrCJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	XHlrCJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	XHlrCJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	XHlrCJ.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	XHlrCJ.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

Processes:

65698d0f78a8b142e28e077c1bac2bf24a950df6c46277c4a76b12066d4977f8.exeXHlrCJ.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	65698d0f78a8b142e28e077c1bac2bf24a950df6c46277c4a76b12066d4977f8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	XHlrCJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

65698d0f78a8b142e28e077c1bac2bf24a950df6c46277c4a76b12066d4977f8.exeXHlrCJ.exe

description	pid	process	target process
PID 2908 wrote to memory of 4032	2908	65698d0f78a8b142e28e077c1bac2bf24a950df6c46277c4a76b12066d4977f8.exe	XHlrCJ.exe
PID 2908 wrote to memory of 4032	2908	65698d0f78a8b142e28e077c1bac2bf24a950df6c46277c4a76b12066d4977f8.exe	XHlrCJ.exe
PID 2908 wrote to memory of 4032	2908	65698d0f78a8b142e28e077c1bac2bf24a950df6c46277c4a76b12066d4977f8.exe	XHlrCJ.exe
PID 4032 wrote to memory of 3280	4032	XHlrCJ.exe	cmd.exe
PID 4032 wrote to memory of 3280	4032	XHlrCJ.exe	cmd.exe
PID 4032 wrote to memory of 3280	4032	XHlrCJ.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\65698d0f78a8b142e28e077c1bac2bf24a950df6c46277c4a76b12066d4977f8.exe
"C:\Users\Admin\AppData\Local\Temp\65698d0f78a8b142e28e077c1bac2bf24a950df6c46277c4a76b12066d4977f8.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Users\Admin\AppData\Local\Temp\XHlrCJ.exe
  C:\Users\Admin\AppData\Local\Temp\XHlrCJ.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:4032
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\48ff49c4.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3280

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\P2UT3MS5\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\26E847D7.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\48ff49c4.bat

Filesize
187B

MD5
953c782d05e0b8f7458411dede50b038

SHA1
b5fdee0810b15479427bbda4254aea1a82ae0318

SHA256
de982232f0c52c6dc48d27342247c58ab9cddb7a2b6a4d1b2b8deb8f510163cf

SHA512
4e34784f29c12c4f709f26d1ea7bfa1f5ca3059f1b9487447f8506e77633101aac3d631c41741eca9e7fb6d5816af152ce15f6ffbe82e108ab65d3d57d0558af

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2908-0-0x0000000000B70000-0x0000000000B87000-memory.dmp

Filesize
92KB

Download
memory/2908-7-0x0000000000B70000-0x0000000000B87000-memory.dmp

Filesize
92KB

Download
memory/4032-5-0x00000000005F0000-0x00000000005F9000-memory.dmp

Filesize
36KB

Download
memory/4032-46-0x00000000005F0000-0x00000000005F9000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads