bdaejec | be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bce

Analysis

max time kernel
120s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/12/2024, 16:37

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General

Target

be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe
Size

262KB
MD5

cb1ada827628b14def48055d43800ad0
SHA1

f31517f020c0bb0c97ba2238c1b88740cf01ff95
SHA256

be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bce
SHA512

e3dcd3da2d921a386fdf4222cad7decc3089c6a2af44ef7f14c5c782eb2cbcad318ffed6c760111a1ffe1fd30bfbed8e8e4274ee45fe0ba3dedca81f9d8457c4
SSDEEP

6144:v48g+ZmUUWC6kslF7tV51lDqUOXMJlAOsRLypwn0:v48SWC6ksl/laRLCwn

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/3012-12-0x00000000011F0000-0x00000000011F9000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/3012-32-0x00000000011F0000-0x00000000011F9000-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/0x000c000000012281-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
3012	vWeuJK.exe

Loads dropped DLL 2 IoCs

pid	Process
2372	be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe
2372	be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.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\java.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	vWeuJK.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{FC37790F-E395-416A-A1A1-53BC987E89B4}\chrome_installer.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	vWeuJK.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	vWeuJK.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	vWeuJK.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	be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vWeuJK.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 3012	2372	be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe	31
PID 2372 wrote to memory of 3012	2372	be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe	31
PID 2372 wrote to memory of 3012	2372	be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe	31
PID 2372 wrote to memory of 3012	2372	be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe	31
PID 3012 wrote to memory of 2836	3012	vWeuJK.exe	33
PID 3012 wrote to memory of 2836	3012	vWeuJK.exe	33
PID 3012 wrote to memory of 2836	3012	vWeuJK.exe	33
PID 3012 wrote to memory of 2836	3012	vWeuJK.exe	33

C:\Users\Admin\AppData\Local\Temp\be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe
"C:\Users\Admin\AppData\Local\Temp\be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\vWeuJK.exe
  C:\Users\Admin\AppData\Local\Temp\vWeuJK.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3012
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\033c47d2.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2836

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\033c47d2.bat

Filesize
187B

MD5
9604a43e8202c57d88c6e855882405c4

SHA1
a5c8d03a54a7c02ad642fe23235a1fd94969ab01

SHA256
23642d419b70bf6c33869b4728f324b76d95802f0bc75782eb28408cf09d9101

SHA512
f8a0f712f435c0fcb1dd16033c7269d840b5cfeb61c5f39d3cda4caf4150823f8acce384e661bc930026f797d632addc8df69ad53de97fe26962cc2131585b2e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2372-0-0x00000000008F0000-0x0000000000937000-memory.dmp

Filesize
284KB

Download
memory/2372-4-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2372-7-0x0000000000080000-0x0000000000089000-memory.dmp

Filesize
36KB

Download
memory/2372-34-0x00000000008F0000-0x0000000000937000-memory.dmp

Filesize
284KB

Download
memory/3012-12-0x00000000011F0000-0x00000000011F9000-memory.dmp

Filesize
36KB

Download
memory/3012-32-0x00000000011F0000-0x00000000011F9000-memory.dmp

Filesize
36KB

Download