bdaejec | cde56e97a0f8848109a5a6f4ad7421a070bdd572733c6256f2b75a3ba830f457

Analysis

max time kernel
103s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
10/04/2025, 04:38

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General

Target

cde56e97a0f8848109a5a6f4ad7421a070bdd572733c6256f2b75a3ba830f457.exe
Size

124KB
MD5

63757cc7e0a218c05fd3cfc6a16736aa
SHA1

19a11c0ea2144e08d105ca11f699261d0ea8537f
SHA256

cde56e97a0f8848109a5a6f4ad7421a070bdd572733c6256f2b75a3ba830f457
SHA512

a91629ee0ba7f8661096225d4f8a5769539e62c9e30c004163b0f8cf1d67d273c7116392c0998399bbbca4a0cd1e30677b59709f659d88efddac805ac5f978dd
SSDEEP

3072:11t7YTgCJXDiDJnmLkFlD9UCawY3MyiXHEKpUgbGCH:2cCJXkY93B8k6UZ

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/116-15-0x0000000000A00000-0x0000000000A09000-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/0x000400000002322e-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-1-5-21-1279544337-3716153908-718418795-1000\Control Panel\International\Geo\Nation	TzoWql.exe

Executes dropped EXE 1 IoCs

pid	Process
116	TzoWql.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	TzoWql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	TzoWql.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	TzoWql.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	TzoWql.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	TzoWql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	TzoWql.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	TzoWql.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	TzoWql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	TzoWql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	TzoWql.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	TzoWql.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	TzoWql.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\133.0.6943.60\chrome_pwa_launcher.exe	TzoWql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	TzoWql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	TzoWql.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	TzoWql.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	TzoWql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	TzoWql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	TzoWql.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	TzoWql.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	TzoWql.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	TzoWql.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	TzoWql.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	TzoWql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	TzoWql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	TzoWql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	TzoWql.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	TzoWql.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	TzoWql.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	TzoWql.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\133.0.6943.60\Installer\chrmstp.exe	TzoWql.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	TzoWql.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cde56e97a0f8848109a5a6f4ad7421a070bdd572733c6256f2b75a3ba830f457.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	TzoWql.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3948 wrote to memory of 116	3948	cde56e97a0f8848109a5a6f4ad7421a070bdd572733c6256f2b75a3ba830f457.exe	88
PID 3948 wrote to memory of 116	3948	cde56e97a0f8848109a5a6f4ad7421a070bdd572733c6256f2b75a3ba830f457.exe	88
PID 3948 wrote to memory of 116	3948	cde56e97a0f8848109a5a6f4ad7421a070bdd572733c6256f2b75a3ba830f457.exe	88
PID 116 wrote to memory of 3900	116	TzoWql.exe	107
PID 116 wrote to memory of 3900	116	TzoWql.exe	107
PID 116 wrote to memory of 3900	116	TzoWql.exe	107

C:\Users\Admin\AppData\Local\Temp\cde56e97a0f8848109a5a6f4ad7421a070bdd572733c6256f2b75a3ba830f457.exe
"C:\Users\Admin\AppData\Local\Temp\cde56e97a0f8848109a5a6f4ad7421a070bdd572733c6256f2b75a3ba830f457.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3948
- C:\Users\Admin\AppData\Local\Temp\TzoWql.exe
  C:\Users\Admin\AppData\Local\Temp\TzoWql.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:116
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1cd54474.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3900

Network

MITRE ATT&CK Enterprise v16

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\1cd54474.bat

Filesize
187B

MD5
cf59d1add9bf9dea302dc108c4dcc6ed

SHA1
f5ba56e945fa82bf6ac8da1dd813b2999e785364

SHA256
f1f2a22f83c41e8e11284093d48418c0be8337653ea1beb4be56d85865a456bc

SHA512
c57b04226bb49e4983de8f556f7e5ee88619650df9e0ee43973111211c6bad540ce6d4a7e6033ee0df14941e4aab81c2596ab21fd3241aa7345a54a147ea40e6

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/116-4-0x0000000000A00000-0x0000000000A09000-memory.dmp

Filesize
36KB

Download
memory/116-15-0x0000000000A00000-0x0000000000A09000-memory.dmp

Filesize
36KB

Download
memory/3948-0-0x0000000000CF0000-0x0000000000D14000-memory.dmp

Filesize
144KB

Download
memory/3948-7-0x0000000000CF0000-0x0000000000D14000-memory.dmp

Filesize
144KB

Download