bdaejec | bb5b3d0baceb9ea5af3551fb882c020df4d1c80844d24bfa10278136c32d7b82

Analysis

max time kernel
140s
max time network
125s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-10-2024 02:28

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General

Target

bb5b3d0baceb9ea5af3551fb882c020df4d1c80844d24bfa10278136c32d7b82.exe
Size

3.2MB
MD5

2ffe35ac01a3db55b67fbcfce29c6466
SHA1

be7724546e8820dff4c6b126745fd6dc151ff632
SHA256

bb5b3d0baceb9ea5af3551fb882c020df4d1c80844d24bfa10278136c32d7b82
SHA512

ebf6b179512cfd9ccfeed2cfa00ed304bc8262966fbe0c7eb95a436e3919cafb90a18035c143f0cb0ac3c4c8eedceb1ffa5e2cac37c8788c6b5cdc642e65c5b8
SSDEEP

98304:FPq1dQa+ZfTSkt1tLoupNJoUyAIKuDTxvqBMFa3BjaaSYj22MsPclC8G:bLZfTSStLoiyAItTxvqBMFa3Bjaatj2O

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/4856-45-0x0000000000060000-0x0000000000069000-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/0x000c000000023b36-5.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	lbjdwX.exe

Executes dropped EXE 1 IoCs

pid	Process
4856	lbjdwX.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	lbjdwX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	lbjdwX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	lbjdwX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	lbjdwX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	lbjdwX.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	lbjdwX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	lbjdwX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	lbjdwX.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	lbjdwX.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	lbjdwX.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	lbjdwX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	lbjdwX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	lbjdwX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	lbjdwX.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	lbjdwX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	lbjdwX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	lbjdwX.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	lbjdwX.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	lbjdwX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	lbjdwX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	lbjdwX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	lbjdwX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	lbjdwX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	lbjdwX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	lbjdwX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	lbjdwX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	lbjdwX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	lbjdwX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	lbjdwX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	lbjdwX.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	lbjdwX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	lbjdwX.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	bb5b3d0baceb9ea5af3551fb882c020df4d1c80844d24bfa10278136c32d7b82.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lbjdwX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4948 wrote to memory of 4856	4948	bb5b3d0baceb9ea5af3551fb882c020df4d1c80844d24bfa10278136c32d7b82.exe	84
PID 4948 wrote to memory of 4856	4948	bb5b3d0baceb9ea5af3551fb882c020df4d1c80844d24bfa10278136c32d7b82.exe	84
PID 4948 wrote to memory of 4856	4948	bb5b3d0baceb9ea5af3551fb882c020df4d1c80844d24bfa10278136c32d7b82.exe	84
PID 4856 wrote to memory of 2780	4856	lbjdwX.exe	90
PID 4856 wrote to memory of 2780	4856	lbjdwX.exe	90
PID 4856 wrote to memory of 2780	4856	lbjdwX.exe	90

C:\Users\Admin\AppData\Local\Temp\bb5b3d0baceb9ea5af3551fb882c020df4d1c80844d24bfa10278136c32d7b82.exe
"C:\Users\Admin\AppData\Local\Temp\bb5b3d0baceb9ea5af3551fb882c020df4d1c80844d24bfa10278136c32d7b82.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Users\Admin\AppData\Local\Temp\lbjdwX.exe
  C:\Users\Admin\AppData\Local\Temp\lbjdwX.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:4856
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\054306bd.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2780

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\PGH3GSHW\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\054306bd.bat

Filesize
187B

MD5
388a73e15c7e54481297a7a162e835cb

SHA1
d7787236d583e0db70cfdebd3fc129291b9e0234

SHA256
37e559db4bf0b97f4eb97374c9e04355b8b64e5568032147e789a5e2e2d0965f

SHA512
6f6bf7ad716449930d0bb151a92f7ee704155a00c4671517cb55498dd9f6b832231094ae3fc7b5a2ca5bb6c8b164bb58ac0edef0ec4c466bd80ffb4b1c233902

Download Submit
C:\Users\Admin\AppData\Local\Temp\085513F7.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/4856-4-0x0000000000060000-0x0000000000069000-memory.dmp

Filesize
36KB

Download
memory/4856-45-0x0000000000060000-0x0000000000069000-memory.dmp

Filesize
36KB

Download
memory/4948-0-0x0000000000400000-0x000000000079E000-memory.dmp

Filesize
3.6MB

Download
memory/4948-47-0x0000000000400000-0x000000000079E000-memory.dmp

Filesize
3.6MB

Download