bdaejec | a67043163476c74bc5d5d852b706848cfb662c7b9260f580d0975139aa6a8ed6

Analysis

max time kernel
136s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
25/02/2025, 09:37

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General

Target

2025-02-25_4cba159c4a4248ad5be896562b052855_smoke-loader_wapomi.exe
Size

80KB
MD5

4cba159c4a4248ad5be896562b052855
SHA1

74681cd3c0ae4aa5dd1581bc702616f6a3a92fc6
SHA256

a67043163476c74bc5d5d852b706848cfb662c7b9260f580d0975139aa6a8ed6
SHA512

36c522d1ec7ffae183e7b50775cee3bbac08c2ccdecefd89c6722419b7a8d0081a6d7435d535c0ec9c21fd2cb674b1a210c7b28bdb341670044fd1823b4862b3
SSDEEP

1536:Yg/6/tM8NXDjPX0QWlfGMckTQL+GCq2iW7z:Hk3U8kTQiGCH

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/2092-46-0x0000000000370000-0x0000000000379000-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/0x001100000001ee75-3.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-1-5-21-925314154-1797147466-1467878628-1000\Control Panel\International\Geo\Nation	tMYtdR.exe

Executes dropped EXE 1 IoCs

pid	Process
2092	tMYtdR.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	tMYtdR.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	tMYtdR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	tMYtdR.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	tMYtdR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	tMYtdR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	tMYtdR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	tMYtdR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	tMYtdR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	tMYtdR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	tMYtdR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	tMYtdR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	tMYtdR.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	tMYtdR.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	tMYtdR.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	tMYtdR.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	tMYtdR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	tMYtdR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	tMYtdR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	tMYtdR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	tMYtdR.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	tMYtdR.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	tMYtdR.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	tMYtdR.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	tMYtdR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	tMYtdR.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	2025-02-25_4cba159c4a4248ad5be896562b052855_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tMYtdR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 2092	1084	2025-02-25_4cba159c4a4248ad5be896562b052855_smoke-loader_wapomi.exe	87
PID 1084 wrote to memory of 2092	1084	2025-02-25_4cba159c4a4248ad5be896562b052855_smoke-loader_wapomi.exe	87
PID 1084 wrote to memory of 2092	1084	2025-02-25_4cba159c4a4248ad5be896562b052855_smoke-loader_wapomi.exe	87
PID 2092 wrote to memory of 936	2092	tMYtdR.exe	90
PID 2092 wrote to memory of 936	2092	tMYtdR.exe	90
PID 2092 wrote to memory of 936	2092	tMYtdR.exe	90

C:\Users\Admin\AppData\Local\Temp\2025-02-25_4cba159c4a4248ad5be896562b052855_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-25_4cba159c4a4248ad5be896562b052855_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Users\Admin\AppData\Local\Temp\tMYtdR.exe
  C:\Users\Admin\AppData\Local\Temp\tMYtdR.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:2092
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1d806cee.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:936

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\Microsoft\Windows\INetCache\IE\ABCW1OJQ\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\1d806cee.bat

Filesize
187B

MD5
c5eb5737fbee38a477253626937dbb74

SHA1
e86ea7fc81c59097dc6ec7c66964ebedf9a63239

SHA256
9e7f0fd2a4c7f746068fe14c5fea0e503fe09a086a8b378efcb84600e0f9adbe

SHA512
d63e06b82bd76a7caced6793536ee79fa52bf04075cb9c4b3582f9995635591e43ee48c8f5b0efe2b04a3659d998d670f42c409c47112e895cb6cd6e7398b3a4

Download Submit
C:\Users\Admin\AppData\Local\Temp\3EDC4B79.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1084-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1084-5-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2092-4-0x0000000000370000-0x0000000000379000-memory.dmp

Filesize
36KB

Download
memory/2092-46-0x0000000000370000-0x0000000000379000-memory.dmp

Filesize
36KB

Download