bdaejec | 22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-02-2025 05:38

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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/2056-21-0x0000000000C30000-0x0000000000C39000-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/0x0007000000012117-9.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2056	BCKJnt.exe

Loads dropped DLL 2 IoCs

pid	Process
2644	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe
2644	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\policytool.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.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\MSTORDB.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\Java\jdk1.7.0_80\jre\bin\jp2launcher.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\Microsoft Games\Mahjong\Mahjong.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.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\pack200.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\lib\launcher.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	BCKJnt.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Windows Mail\wab.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\GROOVE.EXE	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.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\jre\bin\tnameserv.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.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\bin\javap.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.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 (x86)\Microsoft Office\Office14\BCSSync.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.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\Windows Mail\WinMail.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 (x86)\Microsoft Office\Office14\SELFCERT.EXE	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	BCKJnt.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	BCKJnt.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.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	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BCKJnt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2644	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2644	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe
2644	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe
2644	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2056	2644	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe	30
PID 2644 wrote to memory of 2056	2644	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe	30
PID 2644 wrote to memory of 2056	2644	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe	30
PID 2644 wrote to memory of 2056	2644	22756fe233878a84c0349b5302bb9d8d417b3ee8d6d2a6e17202482c9d2a4afc.exe	30
PID 2056 wrote to memory of 3016	2056	BCKJnt.exe	32
PID 2056 wrote to memory of 3016	2056	BCKJnt.exe	32
PID 2056 wrote to memory of 3016	2056	BCKJnt.exe	32
PID 2056 wrote to memory of 3016	2056	BCKJnt.exe	32

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:2644
- 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:2056
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\272859c2.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3016

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\Temporary Internet Files\Content.IE5\PLSLTMYI\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\272859c2.bat

Filesize
187B

MD5
4d9ffdd136909372ef052f3efb51ec03

SHA1
c1efaadc068fc515a128db4a337fc3265662cc5d

SHA256
cfda627cffc7a487cf72cc7de4427486bd09cfcef431590d3e91538bbf0388c0

SHA512
6e2cd1f463bf897d475e55050ec1eb09bcc8c2c9fa2cf6253bc5a25ac852ee9cf8d86d5aa1aad4380c7395002cbe3be5bcd0be4659de0ac6a15057579a18ae55

Download Submit
C:\Users\Admin\AppData\Local\Temp\5E3564BC.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2056-21-0x0000000000C30000-0x0000000000C39000-memory.dmp

Filesize
36KB

Download
memory/2644-10-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2644-4-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2644-1-0x0000000002100000-0x0000000002252000-memory.dmp

Filesize
1.3MB

Download
memory/2644-14-0x0000000002100000-0x0000000002252000-memory.dmp

Filesize
1.3MB

Download