bdaejec | 22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-02-2025 05:42

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General

Target

22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe
Size

3.4MB
MD5

61e5c9f2992d301d3a4c3ed2ebe76853
SHA1

3c393fcbe7e5f8ad3427745d4ae795d1fe7f3910
SHA256

22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc
SHA512

ff942b5dd00e40d4ddb4d739e03c2cacdf27408480b819ad275ecc94cdb641105e2c6a60ca4aa675bf2d8fe4644e6f335d2b60289e66213ecdf0663e77906ae3
SSDEEP

49152:jNKGQPaSBQ0ZDa8xC50aUT50LXXBmtol6L9TX3drisVuyxfR1:BKzaSCcDI560o9TXNruwv

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/1728-16-0x0000000000FA0000-0x0000000000FA9000-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/0x000d0000000122e4-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1728	BCKJnt.exe

Loads dropped DLL 2 IoCs

pid	Process
3016	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe
3016	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	BCKJnt.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	BCKJnt.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	BCKJnt.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	BCKJnt.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	BCKJnt.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	BCKJnt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3016	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3016	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe
3016	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe
3016	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 1728	3016	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe	30
PID 3016 wrote to memory of 1728	3016	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe	30
PID 3016 wrote to memory of 1728	3016	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe	30
PID 3016 wrote to memory of 1728	3016	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe	30
PID 1728 wrote to memory of 2892	1728	BCKJnt.exe	34
PID 1728 wrote to memory of 2892	1728	BCKJnt.exe	34
PID 1728 wrote to memory of 2892	1728	BCKJnt.exe	34
PID 1728 wrote to memory of 2892	1728	BCKJnt.exe	34

C:\Users\Admin\AppData\Local\Temp\22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe
"C:\Users\Admin\AppData\Local\Temp\22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\AppData\Local\Temp\BCKJnt.exe
  C:\Users\Admin\AppData\Local\Temp\BCKJnt.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1728
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\01482f3c.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2892

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\Temp\01482f3c.bat

Filesize
187B

MD5
020453a91c5cf8ae7f9fe5569bf0cd32

SHA1
2231374bd3d398040e838cea55a850fe2a57b7ef

SHA256
b871664ee3eda494c535fb5e2bd7ae7efdb232d38d36eb4d8f11519e086ca22f

SHA512
54b1ab2da3376a0650689e5ec4b09de3900c18398890f1d46dea5348879a1912d8dcf0d20a1ccd75a1e0c7a267d5204679ba41d77257cb21891565f3a61e4680

Download Submit
\Users\Admin\AppData\Local\Temp\BCKJnt.exe

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1728-11-0x0000000000FA0000-0x0000000000FA9000-memory.dmp

Filesize
36KB

Download
memory/1728-16-0x0000000000FA0000-0x0000000000FA9000-memory.dmp

Filesize
36KB

Download
memory/3016-3-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/3016-1-0x0000000000980000-0x0000000000AD2000-memory.dmp

Filesize
1.3MB

Download
memory/3016-9-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/3016-15-0x0000000000980000-0x0000000000AD2000-memory.dmp

Filesize
1.3MB

Download