bdaejec | 3bc6b2e849f61c52f74a7c597892906c820882fc1cc5e51ff912a1a282db3a30

Analysis

max time kernel
15s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-10-2024 10:19

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General

Target

3bc6b2e849f61c52f74a7c597892906c820882fc1cc5e51ff912a1a282db3a30N.exe
Size

1.2MB
MD5

7b63b96026b70bdf79b4f094905d8a50
SHA1

cc637ea01e8c0232cd6a22ab7ca884936359a394
SHA256

3bc6b2e849f61c52f74a7c597892906c820882fc1cc5e51ff912a1a282db3a30
SHA512

85e4f07262a30d302de22e8ca8ad3e4eed9e060e5d9f9403522e0f7fef38769ca74dc38addf323c8a21a76e40a8d9c7d29a2d8f5419757f178c3a1a327c45dd2
SSDEEP

24576:94QSoaZeSaWi8yus7RMiP84Icjj9TRWT65DNy09x/b:+vhwF7RMu84V9TwT657Vb

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
behavioral1/memory/2484-12-0x0000000000AB0000-0x0000000000AB9000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2484-54-0x0000000000AB0000-0x0000000000AB9000-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/0x0007000000012101-3.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2484	ZXELCf.exe

Loads dropped DLL 2 IoCs

pid	Process
2440	3bc6b2e849f61c52f74a7c597892906c820882fc1cc5e51ff912a1a282db3a30N.exe
2440	3bc6b2e849f61c52f74a7c597892906c820882fc1cc5e51ff912a1a282db3a30N.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	ZXELCf.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	ZXELCf.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	ZXELCf.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	ZXELCf.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	ZXELCf.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	ZXELCf.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	ZXELCf.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	ZXELCf.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3bc6b2e849f61c52f74a7c597892906c820882fc1cc5e51ff912a1a282db3a30N.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 2484	2440	3bc6b2e849f61c52f74a7c597892906c820882fc1cc5e51ff912a1a282db3a30N.exe	30
PID 2440 wrote to memory of 2484	2440	3bc6b2e849f61c52f74a7c597892906c820882fc1cc5e51ff912a1a282db3a30N.exe	30
PID 2440 wrote to memory of 2484	2440	3bc6b2e849f61c52f74a7c597892906c820882fc1cc5e51ff912a1a282db3a30N.exe	30
PID 2440 wrote to memory of 2484	2440	3bc6b2e849f61c52f74a7c597892906c820882fc1cc5e51ff912a1a282db3a30N.exe	30
PID 2484 wrote to memory of 2168	2484	ZXELCf.exe	32
PID 2484 wrote to memory of 2168	2484	ZXELCf.exe	32
PID 2484 wrote to memory of 2168	2484	ZXELCf.exe	32
PID 2484 wrote to memory of 2168	2484	ZXELCf.exe	32

C:\Users\Admin\AppData\Local\Temp\3bc6b2e849f61c52f74a7c597892906c820882fc1cc5e51ff912a1a282db3a30N.exe
"C:\Users\Admin\AppData\Local\Temp\3bc6b2e849f61c52f74a7c597892906c820882fc1cc5e51ff912a1a282db3a30N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Users\Admin\AppData\Local\Temp\ZXELCf.exe
  C:\Users\Admin\AppData\Local\Temp\ZXELCf.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2484
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\4ed02511.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2168

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\BQQODH7V\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\3F4D0A76.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\4ed02511.bat

Filesize
187B

MD5
bd05251db30ef3eef098d534ae405a29

SHA1
94bdcf21655f80a6b8934047a249420f389d5955

SHA256
4043e258f8a272cb2a63e531d613ddc89e16364f09f2f314a79e68ef8c6d889c

SHA512
391cc0cbbf571a98769165c3fc8a607b11007af279c7717dad49e93eb953d933cc391ce07de62756ed3958689ee75a5cf4d7b75838d6e72bc0389e8eae3efc8a

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2440-13-0x0000000000120000-0x0000000000129000-memory.dmp

Filesize
36KB

Download
memory/2440-11-0x0000000000120000-0x0000000000129000-memory.dmp

Filesize
36KB

Download
memory/2440-10-0x0000000000150000-0x000000000140E000-memory.dmp

Filesize
18.7MB

Download
memory/2440-56-0x0000000000120000-0x0000000000122000-memory.dmp

Filesize
8KB

Download
memory/2440-57-0x0000000000150000-0x000000000140E000-memory.dmp

Filesize
18.7MB

Download
memory/2484-12-0x0000000000AB0000-0x0000000000AB9000-memory.dmp

Filesize
36KB

Download
memory/2484-54-0x0000000000AB0000-0x0000000000AB9000-memory.dmp

Filesize
36KB

Download