bdaejec | b2599b6a4c962dfc0a071fd1fb43662c3c08b1340bbb3f56680f88a0ffa0bee9

Analysis

max time kernel
150s
max time network
113s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20250113-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20250113-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
14/01/2025, 15:08

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General

Target

9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe
Size

2.7MB
MD5

14f6e66efcbcc6ef30286fa5c5be1697
SHA1

ad99edce34103e6e0aa91e4794e96ecf08d5e306
SHA256

9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a
SHA512

b54b6ac29828b58557ab83c70fe9f0f4ad484b88add115e3c2db5ef31cc3e87a4f50d2740d1bbbb412a9bac324bf8da81bdf71863794c2f27908e0fe97285e3b
SSDEEP

49152:UlFcqJWq7TVCfF92zMWGyBk4O1iVIQBzUcdm/ll:UlF1RCN92zMWGyg1DQ+c

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
behavioral1/memory/3808-49-0x0000000000800000-0x0000000000809000-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
behavioral1/files/0x00290000000461a8-3.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-1-5-21-2826969134-2088669430-2680400721-1000\Control Panel\International\Geo\Nation	vvfUDpb.exe

Deletes itself 1 IoCs

pid	Process
3528	nifLLJZGSNN8Kb.exe

Executes dropped EXE 2 IoCs

pid	Process
3808	vvfUDpb.exe
3528	nifLLJZGSNN8Kb.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{DFBC65C1-A955-4ACE-BA51-D052AC4EBFA0}\chrome_installer.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Windows Defender Advanced Threat Protection\Classification\SenseCE.exe	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Windows Defender Advanced Threat Protection\SenseIR.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Windows Defender Advanced Threat Protection\SenseAP.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	vvfUDpb.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 4 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	9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vvfUDpb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nifLLJZGSNN8Kb.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe
3528	nifLLJZGSNN8Kb.exe

Suspicious behavior: LoadsDriver 1 IoCs

pid	Process
664	Process not Found

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1508	9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe
Token: SeDebugPrivilege	3528	nifLLJZGSNN8Kb.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 3808	1508	9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe	82
PID 1508 wrote to memory of 3808	1508	9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe	82
PID 1508 wrote to memory of 3808	1508	9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe	82
PID 3808 wrote to memory of 5052	3808	vvfUDpb.exe	84
PID 3808 wrote to memory of 5052	3808	vvfUDpb.exe	84
PID 3808 wrote to memory of 5052	3808	vvfUDpb.exe	84
PID 1508 wrote to memory of 3528	1508	9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe	86
PID 1508 wrote to memory of 3528	1508	9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe	86
PID 1508 wrote to memory of 3528	1508	9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe	86

C:\Users\Admin\AppData\Local\Temp\9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe
"C:\Users\Admin\AppData\Local\Temp\9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Users\Admin\AppData\Local\Temp\vvfUDpb.exe
  C:\Users\Admin\AppData\Local\Temp\vvfUDpb.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:3808
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\718e4a31.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5052
- C:\Users\Admin\AppData\Local\Temp\nifLLJZGSNN8Kb.exe
  C:\Users\Admin\AppData\Local\Temp\9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3528

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\LF7XRTNW\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\4F9E248F.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\718e4a31.bat

Filesize
189B

MD5
041368cb166d2ad7bb9320feedc34470

SHA1
cd832fed10a5c3c67238d3655e13236539336099

SHA256
79916d826b94fd99765143718175606827162186d40decb1e23705c2ed5f7759

SHA512
2b76321ea7a16e1669fdc562e984218e88cac59d4f80abd12829b4b9d0b152bf893a72b840021ad08e20f787cd77b824bb8321bbd7e74d986ef453eaf9d81c46

Download Submit
C:\Users\Admin\AppData\Local\Temp\LoaderConfig.ini

Filesize
40B

MD5
fe72b3623c13699d9a4f86e14fa35e99

SHA1
f85e7593ee8ebab06fd03c76de9e0d45ce8eebbe

SHA256
fd26f2023b312ee0d8ce92f54d8377ca6bd331181fb13edf491578ab9c607d43

SHA512
7f9337224fc06ef763c034a9f21674da91b40da4c5b91108cd9938537dbf58d99249cccfa16c7b2a32407751a794ac78b8dc73ed4df2c0aca167504dc72bcda1

Download Submit
C:\Users\Admin\AppData\Local\Temp\nifLLJZGSNN8Kb.exe

Filesize
2.7MB

MD5
f592a89c65a39d7872e9135883a9888f

SHA1
af146736e5e0e2acc5953b57cb228dedb9686f8e

SHA256
7765f2bef25df79082e1f4e6971cad1403941038adbeb1a06608b20fffd99d4b

SHA512
e3c031ee64abd919577ed588e4cceaf3dae243481835097daab4af12e00d07ed33c37d903e73b5c25c6a1095d375b5561a5bbca7f8d276f6d0f65f533f87dfe4

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1508-0-0x00000000008D0000-0x0000000000B8C000-memory.dmp

Filesize
2.7MB

Download
memory/1508-51-0x00000000008D0000-0x0000000000B8C000-memory.dmp

Filesize
2.7MB

Download
memory/1508-61-0x00000000008D0000-0x0000000000B8C000-memory.dmp

Filesize
2.7MB

Download
memory/3808-4-0x0000000000800000-0x0000000000809000-memory.dmp

Filesize
36KB

Download
memory/3808-49-0x0000000000800000-0x0000000000809000-memory.dmp

Filesize
36KB

Download