bdaejec | 0c55b9b81e49dea22ff19372bd3d5496ecb5da67a39a5db7030af0f0b12b37b8

Analysis

max time kernel
118s
max time network
128s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09-02-2025 13:09

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General

Target

0c55b9b81e49dea22ff19372bd3d5496ecb5da67a39a5db7030af0f0b12b37b8.exe
Size

70KB
MD5

548b445c8ad7fc9533219cd7891903f3
SHA1

6af12462511fb94ba15e3347b3e1296728141389
SHA256

0c55b9b81e49dea22ff19372bd3d5496ecb5da67a39a5db7030af0f0b12b37b8
SHA512

910fec4afdd67a2f9e1f280f55dfb79c63fe36faf3cb023bc04f85700edd689ebd1bcbbbbfb177f8b75a79b41f54620bb20903a7b95de0c5e3e4e293211fba2b
SSDEEP

768:5P9yZnHsBNTdsOu/CaF9cHXuakHfgDa8fxPqYQGPL4vzZq2o9W7GsxBbPr:5P9DTWCtcfgDEzGCq2iW7z

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/2924-12-0x0000000000D90000-0x0000000000D99000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2924-28-0x0000000000D90000-0x0000000000D99000-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/0x000b000000012262-5.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2924	wkVuBg.exe

Loads dropped DLL 2 IoCs

pid	Process
2872	0c55b9b81e49dea22ff19372bd3d5496ecb5da67a39a5db7030af0f0b12b37b8.exe
2872	0c55b9b81e49dea22ff19372bd3d5496ecb5da67a39a5db7030af0f0b12b37b8.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	wkVuBg.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	wkVuBg.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	wkVuBg.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	wkVuBg.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	wkVuBg.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	wkVuBg.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	wkVuBg.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	wkVuBg.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	wkVuBg.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	wkVuBg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0c55b9b81e49dea22ff19372bd3d5496ecb5da67a39a5db7030af0f0b12b37b8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2872 wrote to memory of 2924	2872	0c55b9b81e49dea22ff19372bd3d5496ecb5da67a39a5db7030af0f0b12b37b8.exe	30
PID 2872 wrote to memory of 2924	2872	0c55b9b81e49dea22ff19372bd3d5496ecb5da67a39a5db7030af0f0b12b37b8.exe	30
PID 2872 wrote to memory of 2924	2872	0c55b9b81e49dea22ff19372bd3d5496ecb5da67a39a5db7030af0f0b12b37b8.exe	30
PID 2872 wrote to memory of 2924	2872	0c55b9b81e49dea22ff19372bd3d5496ecb5da67a39a5db7030af0f0b12b37b8.exe	30
PID 2924 wrote to memory of 2952	2924	wkVuBg.exe	32
PID 2924 wrote to memory of 2952	2924	wkVuBg.exe	32
PID 2924 wrote to memory of 2952	2924	wkVuBg.exe	32
PID 2924 wrote to memory of 2952	2924	wkVuBg.exe	32

C:\Users\Admin\AppData\Local\Temp\0c55b9b81e49dea22ff19372bd3d5496ecb5da67a39a5db7030af0f0b12b37b8.exe
"C:\Users\Admin\AppData\Local\Temp\0c55b9b81e49dea22ff19372bd3d5496ecb5da67a39a5db7030af0f0b12b37b8.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2872
- C:\Users\Admin\AppData\Local\Temp\wkVuBg.exe
  C:\Users\Admin\AppData\Local\Temp\wkVuBg.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2924
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\53d46f1f.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2952

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\NT668XG4\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\53d46f1f.bat

Filesize
187B

MD5
063a9b8ae6d7930a307c9303924bd572

SHA1
a9427afdd263ca4a6bd9785852bb3119035d1988

SHA256
0c100e9b4e38a23700733d3529181037320c8a40c79699b241792120eaa79283

SHA512
2e05cd7f168240b7d582ef6182aa62c277432ca0c787c99f70a745ec4c7caf31ccf0e56f7c4629b8c998f8bacb800f653bb9b6d6f17597da5d19eba6db4a53e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\5D385DEE.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
f7d21de5c4e81341eccd280c11ddcc9a

SHA1
d4e9ef10d7685d491583c6fa93ae5d9105d815bd

SHA256
4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

SHA512
e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

Download Submit
memory/2872-0-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2872-14-0x0000000000400000-0x0000000000416000-memory.dmp

Filesize
88KB

Download
memory/2872-9-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2872-4-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2924-12-0x0000000000D90000-0x0000000000D99000-memory.dmp

Filesize
36KB

Download
memory/2924-28-0x0000000000D90000-0x0000000000D99000-memory.dmp

Filesize
36KB

Download