bdaejec | 6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838

Analysis

max time kernel
144s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25-12-2024 22:45

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General

Target

6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe
Size

12.0MB
MD5

b4cefd8fadaba6944504bafe1eb859c9
SHA1

bc5e11c3c0f19efcd1d9ffdd5bba22ca6e12bfd5
SHA256

6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838
SHA512

0399e684c57a2e31fc4e375eb8672604370be9b143fea75af2f6bf4c13d27e15b161996948c19f2353b77bb4548c7d543aa4161256a342d3fda483b8682e1c9b
SSDEEP

49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+zoFTCTMqQ:s/KU9/pyJx9Y5el80T

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/2716-11-0x0000000000EB0000-0x0000000000EB9000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2716-18-0x0000000000EB0000-0x0000000000EB9000-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/0x0007000000012117-6.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2716	LdBEKB.exe

Loads dropped DLL 2 IoCs

pid	Process
2820	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe
2820	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\klist.exe	LdBEKB.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	LdBEKB.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{49D76B3D-D6A1-4419-AFD0-EDBEA65C21F0}\chrome_installer.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	LdBEKB.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	LdBEKB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	LdBEKB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	LdBEKB.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LdBEKB.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2820	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2820	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe
2820	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe
2820	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2820 wrote to memory of 2716	2820	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe	30
PID 2820 wrote to memory of 2716	2820	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe	30
PID 2820 wrote to memory of 2716	2820	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe	30
PID 2820 wrote to memory of 2716	2820	6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe	30
PID 2716 wrote to memory of 2484	2716	LdBEKB.exe	34
PID 2716 wrote to memory of 2484	2716	LdBEKB.exe	34
PID 2716 wrote to memory of 2484	2716	LdBEKB.exe	34
PID 2716 wrote to memory of 2484	2716	LdBEKB.exe	34

C:\Users\Admin\AppData\Local\Temp\6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe
"C:\Users\Admin\AppData\Local\Temp\6dcab628757c9229e034c8b9ff905b3daf66fa104b2e53dd5b33f42fc3a49838.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2820
- C:\Users\Admin\AppData\Local\Temp\LdBEKB.exe
  C:\Users\Admin\AppData\Local\Temp\LdBEKB.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2716
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\5eef3efa.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2484

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\Temp\5eef3efa.bat

Filesize
187B

MD5
a538bbb2679215e663e02cec6d80662b

SHA1
7c88e72517ef2298d76414bc860ed5071ed43e55

SHA256
9b73d65c6e462f374ed572bbd7ac1f8e2b6b2544e3b9ddbe1f8cdd4b3f5e4bd6

SHA512
76a3d65fedcd108128e27ff9dd04ca8dfa3e1323ff2a48d7146ce376a403da5714b510f97a0a7102977fa1112aa041f89d361f48a710d87d88f379de168cf23c

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2716-11-0x0000000000EB0000-0x0000000000EB9000-memory.dmp

Filesize
36KB

Download
memory/2716-18-0x0000000000EB0000-0x0000000000EB9000-memory.dmp

Filesize
36KB

Download
memory/2820-12-0x0000000000EB0000-0x0000000000EB9000-memory.dmp

Filesize
36KB

Download
memory/2820-10-0x0000000000EB0000-0x0000000000EB9000-memory.dmp

Filesize
36KB

Download
memory/2820-9-0x00000000011C0000-0x0000000001E21000-memory.dmp

Filesize
12.4MB

Download
memory/2820-15-0x0000000000990000-0x0000000000A90000-memory.dmp

Filesize
1024KB

Download
memory/2820-17-0x00000000011C0000-0x0000000001E21000-memory.dmp

Filesize
12.4MB

Download
memory/2820-19-0x0000000000990000-0x0000000000A90000-memory.dmp

Filesize
1024KB

Download
memory/2820-26-0x0000000000EB0000-0x0000000000EB9000-memory.dmp

Filesize
36KB

Download