bdaejec | b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f

Analysis

max time kernel
106s
max time network
101s
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 02:47

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General

Target

b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe
Size

303KB
MD5

505370698d0db4fb9b70ceb3d6b38068
SHA1

63504adaedb8ab737cd3ecfffe6863b4cf64ebae
SHA256

b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f
SHA512

567d8ddafff5cf187da8974f76bc41909a7605b508685a619596b3ae1524ff2b1445882873df69c713d6d94840cc3e91f399c7db56da87b3849e5375be97c964
SSDEEP

6144:RdZiP3k3YeDgU5nMNsDQzcmGxF1RYTc3fD8Xhwm3zdiMMKpLIn:RdZc0lp4PzanGQ3fAC2MoA

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/2028-8-0x0000000000820000-0x0000000000829000-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/0x000c000000023ba1-3.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	EPawkj.exe

Executes dropped EXE 1 IoCs

pid	Process
2028	EPawkj.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	EPawkj.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	EPawkj.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	EPawkj.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	EPawkj.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	EPawkj.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	EPawkj.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	EPawkj.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	EPawkj.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	EPawkj.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	EPawkj.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	EPawkj.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	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	EPawkj.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	EPawkj.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	EPawkj.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	EPawkj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	EPawkj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	EPawkj.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	b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EPawkj.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1532 wrote to memory of 2028	1532	b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe	83
PID 1532 wrote to memory of 2028	1532	b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe	83
PID 1532 wrote to memory of 2028	1532	b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe	83
PID 2028 wrote to memory of 1780	2028	EPawkj.exe	93
PID 2028 wrote to memory of 1780	2028	EPawkj.exe	93
PID 2028 wrote to memory of 1780	2028	EPawkj.exe	93

C:\Users\Admin\AppData\Local\Temp\b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe
"C:\Users\Admin\AppData\Local\Temp\b3650ef722cbd5c0e34901847d9cf6a5cbdd2e4e076dd28f8d831ecd772ce92f.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1532
- C:\Users\Admin\AppData\Local\Temp\EPawkj.exe
  C:\Users\Admin\AppData\Local\Temp\EPawkj.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:2028
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\138d75b0.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1780

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\138d75b0.bat

Filesize
187B

MD5
4c9c1076539ad377bba8f8f85ee76a3a

SHA1
a190db4e060ba9d6d74e693b80fc4669efa70146

SHA256
3ed266cc31dd89d9bab8793adf22c99089b583d1e1756d6e216ff919e82a34b8

SHA512
1d9422cd294028f0a44be8aa990e52f479fa58ffbd5468d648b8bcda2670317b2c2d615e5efef6151512d55b37d17976614cae61a30497c5b22702ca55571760

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1532-0-0x0000000000710000-0x0000000000763000-memory.dmp

Filesize
332KB

Download
memory/1532-7-0x0000000000710000-0x0000000000763000-memory.dmp

Filesize
332KB

Download
memory/2028-4-0x0000000000820000-0x0000000000829000-memory.dmp

Filesize
36KB

Download
memory/2028-8-0x0000000000820000-0x0000000000829000-memory.dmp

Filesize
36KB

Download