bdaejec | 91799b6e02fcd747bc5cc56bbd81f49815e6b6f6559ca45e6f3176b39e12f0e6

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 03:43

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General

Target

2025-01-02_22ca79da555657eb956b6fbd994607e1_smoke-loader_wapomi.exe
Size

208KB
MD5

22ca79da555657eb956b6fbd994607e1
SHA1

14ccb98b4a8488ae5730a83e6ae715cada39192e
SHA256

91799b6e02fcd747bc5cc56bbd81f49815e6b6f6559ca45e6f3176b39e12f0e6
SHA512

9852d26b651e0f1cab72dd605a91cbb060fb102024d30790a986787a9ec3190a578538d3af9bb57f83d434c2033683dd92b759b5342f241ef66785d8773a3213
SSDEEP

3072:LW8KaJvnsgaSIwi/cJimz+zQzBYTBf9pAXAZPuYQO6GCH:Qkv1IHyz+zQeTBl2MuyL

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
behavioral2/memory/3544-8-0x00000000009B0000-0x00000000009B9000-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
behavioral2/files/0x000c000000023b0b-3.dat	aspack_v212_v242

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	MKO.exe

Executes dropped EXE 1 IoCs

pid	Process
3544	MKO.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	MKO.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	MKO.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	MKO.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	MKO.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	MKO.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	MKO.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	MKO.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	MKO.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	MKO.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	MKO.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	MKO.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	MKO.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	MKO.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	MKO.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	MKO.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	MKO.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	2025-01-02_22ca79da555657eb956b6fbd994607e1_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MKO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4488 wrote to memory of 3544	4488	2025-01-02_22ca79da555657eb956b6fbd994607e1_smoke-loader_wapomi.exe	83
PID 4488 wrote to memory of 3544	4488	2025-01-02_22ca79da555657eb956b6fbd994607e1_smoke-loader_wapomi.exe	83
PID 4488 wrote to memory of 3544	4488	2025-01-02_22ca79da555657eb956b6fbd994607e1_smoke-loader_wapomi.exe	83
PID 3544 wrote to memory of 4300	3544	MKO.exe	101
PID 3544 wrote to memory of 4300	3544	MKO.exe	101
PID 3544 wrote to memory of 4300	3544	MKO.exe	101

C:\Users\Admin\AppData\Local\Temp\2025-01-02_22ca79da555657eb956b6fbd994607e1_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-02_22ca79da555657eb956b6fbd994607e1_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4488
- C:\Users\Admin\AppData\Local\Temp\MKO.exe
  C:\Users\Admin\AppData\Local\Temp\MKO.exe
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3544
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\11985159.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4300

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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\11985159.bat

Filesize
181B

MD5
4840287032dd492c4e5890fbe41917da

SHA1
6696e203a75cfbae45ee81955aab66fdb8177308

SHA256
f191028fad9ee8476cd4b8c838eea6eda59a5d7c543e4ea6d63f932b07265738

SHA512
d2110b9d1fbddab2b9775afafae18fa5ce86eeb9d6195c9ef617375954e6d49141ecefba3ccb8d16fcd78ab9ad5cfa457f49925db8da45bcbacbede39dc163e3

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3544-4-0x00000000009B0000-0x00000000009B9000-memory.dmp

Filesize
36KB

Download
memory/3544-8-0x00000000009B0000-0x00000000009B9000-memory.dmp

Filesize
36KB

Download
memory/4488-0-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/4488-7-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download