bdaejec | 3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321c

Analysis

max time kernel
111s
max time network
115s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16-01-2025 22:29

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General

Target

3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe
Size

1.1MB
MD5

b031cc73360b1c18bb8e5ac6a699ac90
SHA1

3df5e6d38a59b338107f07ff882c0cf65d774d15
SHA256

3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321c
SHA512

87a9f82c2ca2f1914dd6e1b17f27296bd25516d63f8402bb8ab93c377bdace0d030a95dffb8050c34022a3ae95446ade65a6afb4f9ed2160cdec5f523675110c
SSDEEP

12288:ZqOPajQUXXP8QvLWFx6Mo5rippDC7ee1hpls4Ey+:ZnajQEPnvg6PhWDC750

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. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/4004-36-0x0000000000D80000-0x0000000000D89000-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/0x000a000000023bdf-3.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
4004	cLLtGx.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	cLLtGx.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	cLLtGx.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	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	cLLtGx.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	cLLtGx.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{1E8F5DDF-3FB3-4332-A4CC-B46FF6E6899A}\chrome_installer.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	cLLtGx.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
664	4576	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 2 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	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cLLtGx.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4576	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe
4576	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe
4576	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe
4576	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 4004	4576	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe	82
PID 4576 wrote to memory of 4004	4576	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe	82
PID 4576 wrote to memory of 4004	4576	3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe	82

C:\Users\Admin\AppData\Local\Temp\3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe
"C:\Users\Admin\AppData\Local\Temp\3c8cf210574c3d47bfb18abc3480c8898b30e73ed25cd86ff169c149a4ed321cN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4576
- C:\Users\Admin\AppData\Local\Temp\cLLtGx.exe
  C:\Users\Admin\AppData\Local\Temp\cLLtGx.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:4004
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4576 -s 1896
  2⤵
  - Program crash
  PID:664

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4576 -ip 4576
1⤵
PID:4472

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\0BHOTC3C\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\313B2EFF.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/4004-4-0x0000000000D80000-0x0000000000D89000-memory.dmp

Filesize
36KB

Download
memory/4004-36-0x0000000000D80000-0x0000000000D89000-memory.dmp

Filesize
36KB

Download
memory/4576-0-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/4576-35-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download