bdaejec | 251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566

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
16-01-2025 13:59

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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/2784-55-0x0000000000CE0000-0x0000000000CE9000-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/0x000b000000012280-10.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2784	cLLtGx.exe

Loads dropped DLL 2 IoCs

pid	Process
2936	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
2936	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\jre\bin\jp2launcher.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.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\Java\jdk1.7.0_80\bin\keytool.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	cLLtGx.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.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\Java\jdk1.7.0_80\bin\javafxpackager.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.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)\Windows Mail\WinMail.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.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 (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.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\Java\jdk1.7.0_80\bin\policytool.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.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 (x86)\Microsoft Office\Office14\CLVIEW.EXE	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.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\tnameserv.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\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Windows Mail\wab.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\Java\jdk1.7.0_80\bin\ktab.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\Microsoft Games\Chess\Chess.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.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\Mozilla Firefox\minidump-analyzer.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
2936	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
2936	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
2936	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
2936	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2784	2936	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe	30
PID 2936 wrote to memory of 2784	2936	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe	30
PID 2936 wrote to memory of 2784	2936	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe	30
PID 2936 wrote to memory of 2784	2936	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe	30
PID 2784 wrote to memory of 636	2784	cLLtGx.exe	31
PID 2784 wrote to memory of 636	2784	cLLtGx.exe	31
PID 2784 wrote to memory of 636	2784	cLLtGx.exe	31
PID 2784 wrote to memory of 636	2784	cLLtGx.exe	31

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:2936
- 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:2784
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\59990e8a.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:636

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\1LNUKNV0\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\44425467.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\59990e8a.bat

Filesize
187B

MD5
53e34a73ba46dffb59a29d787cf8064e

SHA1
34e1b29a6d0781389ea57f68505ad988e50f83cf

SHA256
bdda64d4479fd6ae098c16de37d3ee2ce9f304ba19d7f56bf98c301ca4362638

SHA512
ee41e60449c24672792d2e155620c5cecf985da5767448f80837aad98e48993042e2996101fd4695334e40afbdf142c5b6ce6f597c597555350e3dfcacc82723

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2784-55-0x0000000000CE0000-0x0000000000CE9000-memory.dmp

Filesize
36KB

Download
memory/2936-0-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/2936-9-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2936-6-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2936-13-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2936-14-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download