bdaejec | 041d2fa3b6f6a906ea2c4ce6b9882b10199e1c06d87276d80a38833832589205

Analysis

max time kernel
106s
max time network
94s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
25-01-2025 15:27

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General

Target

2025-01-25_1f75387c52713d7d554847252cdfcb92_smoke-loader_wapomi.exe
Size

77KB
MD5

1f75387c52713d7d554847252cdfcb92
SHA1

e34afc80d93b3aad18d19b54599da84e994de442
SHA256

041d2fa3b6f6a906ea2c4ce6b9882b10199e1c06d87276d80a38833832589205
SHA512

7f0d96f8fe811f053b92117e647e13fc63fc4df180b30bd67af6e162b6b5f221e95c22aef9bd250a828dbe20d04319df5ff60d2a7a7293e51765fa2cf19f7b24
SSDEEP

1536:VlWvkZ+I+4u5LXcs7jVStGLvdo52DGCq2iW7z:PWK+I+/wslzo5YGCH

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/1704-16-0x0000000000AA0000-0x0000000000AA9000-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/0x00080000000120fd-4.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1704	DAjoBk.exe

Loads dropped DLL 2 IoCs

pid	Process
2580	2025-01-25_1f75387c52713d7d554847252cdfcb92_smoke-loader_wapomi.exe
2580	2025-01-25_1f75387c52713d7d554847252cdfcb92_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	DAjoBk.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\VPREVIEW.EXE	DAjoBk.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	DAjoBk.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jp2launcher.exe	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	DAjoBk.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	DAjoBk.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	DAjoBk.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	2025-01-25_1f75387c52713d7d554847252cdfcb92_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DAjoBk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2580 wrote to memory of 1704	2580	2025-01-25_1f75387c52713d7d554847252cdfcb92_smoke-loader_wapomi.exe	29
PID 2580 wrote to memory of 1704	2580	2025-01-25_1f75387c52713d7d554847252cdfcb92_smoke-loader_wapomi.exe	29
PID 2580 wrote to memory of 1704	2580	2025-01-25_1f75387c52713d7d554847252cdfcb92_smoke-loader_wapomi.exe	29
PID 2580 wrote to memory of 1704	2580	2025-01-25_1f75387c52713d7d554847252cdfcb92_smoke-loader_wapomi.exe	29
PID 1704 wrote to memory of 768	1704	DAjoBk.exe	32
PID 1704 wrote to memory of 768	1704	DAjoBk.exe	32
PID 1704 wrote to memory of 768	1704	DAjoBk.exe	32
PID 1704 wrote to memory of 768	1704	DAjoBk.exe	32

C:\Users\Admin\AppData\Local\Temp\2025-01-25_1f75387c52713d7d554847252cdfcb92_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-25_1f75387c52713d7d554847252cdfcb92_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2580
- C:\Users\Admin\AppData\Local\Temp\DAjoBk.exe
  C:\Users\Admin\AppData\Local\Temp\DAjoBk.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1704
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\59e42ced.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:768

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\59e42ced.bat

Filesize
187B

MD5
46fac2f71cb37f6296df4c6ba185aca0

SHA1
05fa232851653d934da3dea149b2d38e983e5c7f

SHA256
dcb3e1df31fb64314e3007b316e8e2864fd51c3ef13698481eba03786dd040a4

SHA512
c9eb7a88264a14d8e4f10ccd1678e2427224b3eee91e87b6a600376f049cc088e89caa5b819673f609ba89bd064b0d4abd1bacb7414b4225d5fd23f6ec55390f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1704-11-0x0000000000AA0000-0x0000000000AA9000-memory.dmp

Filesize
36KB

Download
memory/1704-16-0x0000000000AA0000-0x0000000000AA9000-memory.dmp

Filesize
36KB

Download
memory/2580-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2580-9-0x0000000000140000-0x0000000000149000-memory.dmp

Filesize
36KB

Download
memory/2580-8-0x0000000000140000-0x0000000000149000-memory.dmp

Filesize
36KB

Download
memory/2580-14-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download