bdaejec | 29744e79bdfcd042385c648c9a63503bc8086f70266c9e2876f2dcb7c0309410

Analysis

max time kernel
106s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
21/03/2025, 14:44

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General

Target

2025-03-21_b32a55d7d1bf2bd5b3ea9b0cbaf975cf_smoke-loader_wapomi.exe
Size

36KB
MD5

b32a55d7d1bf2bd5b3ea9b0cbaf975cf
SHA1

527114b5e3b7a279d6aae6d29cbdcb8c6e302e5b
SHA256

29744e79bdfcd042385c648c9a63503bc8086f70266c9e2876f2dcb7c0309410
SHA512

53ae4e7e1815b940063861a5b9bcc3e87855ff5ac5c1cbd6b6cfd24bfe6946084ad96e6f920577c0c4188213c9a93f5e62e998777f0fec1433a26c87f62d53b0
SSDEEP

768:Y4BZwegjJmxWJQpk84Ul+3xOXB1IQGPL4vzZq2o9W7GsxBbPr:Y4BZ2Jm/kWmOXB1DGCq2iW7z

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/1096-8-0x0000000000B80000-0x0000000000B89000-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/0x002000000002370b-5.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-1-5-21-1062200478-553497403-3857448183-1000\Control Panel\International\Geo\Nation	DCbmyN.exe

Executes dropped EXE 1 IoCs

pid	Process
1096	DCbmyN.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	DCbmyN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	DCbmyN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	DCbmyN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\133.0.6943.60\os_update_handler.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	DCbmyN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	DCbmyN.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	DCbmyN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	DCbmyN.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\133.0.6943.60\elevation_service.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	DCbmyN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	DCbmyN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	DCbmyN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	DCbmyN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	DCbmyN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	DCbmyN.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	DCbmyN.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	DCbmyN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\133.0.6943.60\Installer\setup.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	DCbmyN.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	DCbmyN.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	DCbmyN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	DCbmyN.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	DCbmyN.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	DCbmyN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-03-21_b32a55d7d1bf2bd5b3ea9b0cbaf975cf_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5624 wrote to memory of 1096	5624	2025-03-21_b32a55d7d1bf2bd5b3ea9b0cbaf975cf_smoke-loader_wapomi.exe	87
PID 5624 wrote to memory of 1096	5624	2025-03-21_b32a55d7d1bf2bd5b3ea9b0cbaf975cf_smoke-loader_wapomi.exe	87
PID 5624 wrote to memory of 1096	5624	2025-03-21_b32a55d7d1bf2bd5b3ea9b0cbaf975cf_smoke-loader_wapomi.exe	87
PID 1096 wrote to memory of 4524	1096	DCbmyN.exe	108
PID 1096 wrote to memory of 4524	1096	DCbmyN.exe	108
PID 1096 wrote to memory of 4524	1096	DCbmyN.exe	108

C:\Users\Admin\AppData\Local\Temp\2025-03-21_b32a55d7d1bf2bd5b3ea9b0cbaf975cf_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-03-21_b32a55d7d1bf2bd5b3ea9b0cbaf975cf_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5624
- C:\Users\Admin\AppData\Local\Temp\DCbmyN.exe
  C:\Users\Admin\AppData\Local\Temp\DCbmyN.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:1096
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\44cb405e.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4524

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\44cb405e.bat

Filesize
187B

MD5
8ee25412814d5db34319a548233dc054

SHA1
4d29194f8699109f0f4e0013fb1595132079949d

SHA256
2982210ed2928b10350b673ea3ab54f04c77820c3442886b5d338b6b243501da

SHA512
90e1ea6c41b890d8f6d1b92342910e2a9083e8254cc45f9832629cd7ecf5e047a7555bf1b95b6a3e48371386dc681c94cacdb5add2e738b1bb0e3650e14c39c7

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1096-4-0x0000000000B80000-0x0000000000B89000-memory.dmp

Filesize
36KB

Download
memory/1096-8-0x0000000000B80000-0x0000000000B89000-memory.dmp

Filesize
36KB

Download
memory/5624-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/5624-7-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download