bdaejec | 6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838

Analysis

max time kernel
150s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 22:45

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General

Target

6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe
Size

12.0MB
MD5

b4cefd8fadaba6944504bafe1eb859c9
SHA1

bc5e11c3c0f19efcd1d9ffdd5bba22ca6e12bfd5
SHA256

6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838
SHA512

0399e684c57a2e31fc4e375eb8672604370be9b143fea75af2f6bf4c13d27e15b161996948c19f2353b77bb4548c7d543aa4161256a342d3fda483b8682e1c9b
SSDEEP

49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+zoFTCTMqQ:s/KU9/pyJx9Y5el80T

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. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/4704-6-0x0000000000980000-0x0000000000989000-memory.dmp	family_bdaejec_backdoor
behavioral2/memory/4704-10-0x0000000000980000-0x0000000000989000-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/0x000a000000023bff-2.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	LdBEKB.exe

Executes dropped EXE 1 IoCs

pid	Process
4704	LdBEKB.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	LdBEKB.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	LdBEKB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	LdBEKB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	LdBEKB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	LdBEKB.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	LdBEKB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	LdBEKB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	LdBEKB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	LdBEKB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	LdBEKB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	LdBEKB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	LdBEKB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	LdBEKB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	LdBEKB.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	LdBEKB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	LdBEKB.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	LdBEKB.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	LdBEKB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	996	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
996	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe
996	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe
996	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 996 wrote to memory of 4704	996	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe	82
PID 996 wrote to memory of 4704	996	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe	82
PID 996 wrote to memory of 4704	996	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe	82
PID 4704 wrote to memory of 2888	4704	LdBEKB.exe	92
PID 4704 wrote to memory of 2888	4704	LdBEKB.exe	92
PID 4704 wrote to memory of 2888	4704	LdBEKB.exe	92

C:\Users\Admin\AppData\Local\Temp\6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe
"C:\Users\Admin\AppData\Local\Temp\6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:996
- C:\Users\Admin\AppData\Local\Temp\LdBEKB.exe
  C:\Users\Admin\AppData\Local\Temp\LdBEKB.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:4704
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\73ed00aa.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2888

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\Temp\73ed00aa.bat

Filesize
187B

MD5
9812e80e57643079c2701314c5bd27fc

SHA1
7fb0d6519ac9c41e2036fb1afd73a9e11e365942

SHA256
53e5beba92467175bab22bbd0bbd97be84510b11c4eed31649a14683acbe5647

SHA512
c2401138e44486244ab645e3ef58f665e97a25364b6f6fbdc8de0504485d8d995f1834639dc3688665c0bf5a4abee1055263f244969cc96dec38c0935f0af32d

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/996-5-0x00000000008D0000-0x0000000001531000-memory.dmp

Filesize
12.4MB

Download
memory/996-8-0x0000000003CB0000-0x0000000003DB0000-memory.dmp

Filesize
1024KB

Download
memory/996-9-0x00000000008D0000-0x0000000001531000-memory.dmp

Filesize
12.4MB

Download
memory/996-11-0x0000000003CB0000-0x0000000003DB0000-memory.dmp

Filesize
1024KB

Download
memory/4704-6-0x0000000000980000-0x0000000000989000-memory.dmp

Filesize
36KB

Download
memory/4704-10-0x0000000000980000-0x0000000000989000-memory.dmp

Filesize
36KB

Download