bdaejec | e1b150823eb99d9620c1e7eebdb53b1155cbec9c2c6683f201323c1a1c6f73e2

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 04:41

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General

Target

e1b150823eb99d9620c1e7eebdb53b1155cbec9c2c6683f201323c1a1c6f73e2.exe
Size

732KB
MD5

d4262f94819ffaaffd627fb4fdd97770
SHA1

4a7bb0f0e12cbf954d30e44ae3818f0dfb48de50
SHA256

e1b150823eb99d9620c1e7eebdb53b1155cbec9c2c6683f201323c1a1c6f73e2
SHA512

784ba04a5f06bd19ba00903fce9bb304da36ee70a6bf579dc9bfe21ebd74345bd92c24f6eb9bd6be324b6fc6b4e5d84138ffec0b0426f2e6c610129ddf84a50b
SSDEEP

12288:jf2iwQuES3FrV9QA9d0q63JZnzY9nSL2RyvCA2ovM3Qj7StTuB:IESank9e2RO0oPj7CTs

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/2512-42-0x0000000000030000-0x0000000000039000-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/0x0008000000012102-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2512	vEhjbC.exe

Loads dropped DLL 2 IoCs

pid	Process
1976	e1b150823eb99d9620c1e7eebdb53b1155cbec9c2c6683f201323c1a1c6f73e2.exe
1976	e1b150823eb99d9620c1e7eebdb53b1155cbec9c2c6683f201323c1a1c6f73e2.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	vEhjbC.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	vEhjbC.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	vEhjbC.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	vEhjbC.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{5059450D-F254-431C-8EC5-1212E61F2D77}\chrome_installer.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	vEhjbC.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	vEhjbC.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	vEhjbC.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	e1b150823eb99d9620c1e7eebdb53b1155cbec9c2c6683f201323c1a1c6f73e2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vEhjbC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies Internet Explorer settings 1 TTPs 1 IoCs

adware spyware

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Internet Explorer\Main	e1b150823eb99d9620c1e7eebdb53b1155cbec9c2c6683f201323c1a1c6f73e2.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1976	e1b150823eb99d9620c1e7eebdb53b1155cbec9c2c6683f201323c1a1c6f73e2.exe
1976	e1b150823eb99d9620c1e7eebdb53b1155cbec9c2c6683f201323c1a1c6f73e2.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2512	1976	e1b150823eb99d9620c1e7eebdb53b1155cbec9c2c6683f201323c1a1c6f73e2.exe	30
PID 1976 wrote to memory of 2512	1976	e1b150823eb99d9620c1e7eebdb53b1155cbec9c2c6683f201323c1a1c6f73e2.exe	30
PID 1976 wrote to memory of 2512	1976	e1b150823eb99d9620c1e7eebdb53b1155cbec9c2c6683f201323c1a1c6f73e2.exe	30
PID 1976 wrote to memory of 2512	1976	e1b150823eb99d9620c1e7eebdb53b1155cbec9c2c6683f201323c1a1c6f73e2.exe	30
PID 2512 wrote to memory of 2860	2512	vEhjbC.exe	32
PID 2512 wrote to memory of 2860	2512	vEhjbC.exe	32
PID 2512 wrote to memory of 2860	2512	vEhjbC.exe	32
PID 2512 wrote to memory of 2860	2512	vEhjbC.exe	32

C:\Users\Admin\AppData\Local\Temp\e1b150823eb99d9620c1e7eebdb53b1155cbec9c2c6683f201323c1a1c6f73e2.exe
"C:\Users\Admin\AppData\Local\Temp\e1b150823eb99d9620c1e7eebdb53b1155cbec9c2c6683f201323c1a1c6f73e2.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\vEhjbC.exe
  C:\Users\Admin\AppData\Local\Temp\vEhjbC.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2512
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\78fa3899.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

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\69771DFE.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\78fa3899.bat

Filesize
187B

MD5
d07ec8b60715bf6f62fa8a3f18edf59c

SHA1
74c4a23560898abf44f936c72e566c6421952696

SHA256
3148d502bac619bf55facf69fc8cc7c39788b72577079af5dc5ca73697de25db

SHA512
6171a49346a74f19f7e81dc543898260def417a34934d7d656986481021d563f45086f79c62728f71344ae8fbf2a2a95dbee2e3ed78139b2669f5a9b2985d20c

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1976-44-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1976-9-0x00000000003A0000-0x00000000003A9000-memory.dmp

Filesize
36KB

Download
memory/1976-4-0x00000000003A0000-0x00000000003A9000-memory.dmp

Filesize
36KB

Download
memory/1976-0-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1976-45-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/1976-50-0x0000000000650000-0x0000000000651000-memory.dmp

Filesize
4KB

Download
memory/1976-51-0x00000000003A0000-0x00000000003A9000-memory.dmp

Filesize
36KB

Download
memory/2512-11-0x0000000000030000-0x0000000000039000-memory.dmp

Filesize
36KB

Download
memory/2512-42-0x0000000000030000-0x0000000000039000-memory.dmp

Filesize
36KB

Download