Malware Analysis Report

2025-03-15 06:36

Sample ID 241231-bjasvazlbs
Target 6ad7e53a2be770f646ef21fd5bcee00b71479a733937856b0f6d9132b8dc4521.exe
SHA256 6ad7e53a2be770f646ef21fd5bcee00b71479a733937856b0f6d9132b8dc4521
Tags
bdaejec aspackv2 backdoor discovery
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

6ad7e53a2be770f646ef21fd5bcee00b71479a733937856b0f6d9132b8dc4521

Threat Level: Known bad

The file 6ad7e53a2be770f646ef21fd5bcee00b71479a733937856b0f6d9132b8dc4521.exe was found to be: Known bad.

Malicious Activity Summary

bdaejec aspackv2 backdoor discovery

Bdaejec

Bdaejec family

Detects Bdaejec Backdoor.

ASPack v2.12-2.42

Checks computer location settings

Executes dropped EXE

Drops file in Program Files directory

Unsigned PE

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-12-31 01:09

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-12-31 01:09

Reported

2024-12-31 01:12

Platform

win10v2004-20241007-en

Max time kernel

106s

Max time network

102s

Command Line

"C:\Users\Admin\AppData\Local\Temp\6ad7e53a2be770f646ef21fd5bcee00b71479a733937856b0f6d9132b8dc4521.exe"

Signatures

Bdaejec

backdoor bdaejec

Bdaejec family

bdaejec

Detects Bdaejec Backdoor.

Description Indicator Process Target
N/A N/A N/A N/A

ASPack v2.12-2.42

aspackv2
Description Indicator Process Target
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A

Drops file in Program Files directory

Description Indicator Process Target
File opened for modification C:\Program Files\Java\jre-1.8\bin\java.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\Office16\msoia.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Google\Chrome\Application\chrome.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\bin\jstack.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jre-1.8\bin\javaws.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\bin\extcheck.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\bin\jps.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\bin\serialver.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jre-1.8\bin\kinit.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\bin\javadoc.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\bin\policytool.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jre-1.8\bin\orbd.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\Office16\msotd.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmic.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\Integration\Integrator.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jre-1.8\bin\javacpl.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Mozilla Firefox\maintenanceservice.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaw.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Mozilla Firefox\plugin-container.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files (x86)\Google\Update\Install\{4E6AEEAD-B62E-4CF8-80E5-2A66138AEFDE}\chrome_installer.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\bin\javaws.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\bin\servertool.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Java\jdk-1.8\bin\ktab.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
File opened for modification C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\6ad7e53a2be770f646ef21fd5bcee00b71479a733937856b0f6d9132b8dc4521.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\6ad7e53a2be770f646ef21fd5bcee00b71479a733937856b0f6d9132b8dc4521.exe

"C:\Users\Admin\AppData\Local\Temp\6ad7e53a2be770f646ef21fd5bcee00b71479a733937856b0f6d9132b8dc4521.exe"

C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe

C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\668545a8.bat" "

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 ddos.dnsnb8.net udp
US 44.221.84.105:799 ddos.dnsnb8.net tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 180.129.81.91.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 44.221.84.105:799 ddos.dnsnb8.net tcp
US 8.8.8.8:53 212.20.149.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 220.190.18.2.in-addr.arpa udp
US 44.221.84.105:799 ddos.dnsnb8.net tcp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 44.221.84.105:799 ddos.dnsnb8.net tcp
US 44.221.84.105:799 ddos.dnsnb8.net tcp

Files

memory/3156-0-0x0000000000100000-0x000000000011A000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\tWkrPJ.exe

MD5 56b2c3810dba2e939a8bb9fa36d3cf96
SHA1 99ee31cd4b0d6a4b62779da36e0eeecdd80589fc
SHA256 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07
SHA512 27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

memory/1668-4-0x0000000000B50000-0x0000000000B59000-memory.dmp

memory/3156-7-0x0000000000100000-0x000000000011A000-memory.dmp

memory/1668-8-0x0000000000B50000-0x0000000000B59000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\668545a8.bat

MD5 87c9b5580bddeafb523111255af9c22e
SHA1 7d0cb27fc5853acab2a812ea8783ca5020bc1f3b
SHA256 355c8eac9de62e14d356f2df3e02cf1111f79123592d10af081f38307d1636f4
SHA512 66f376a7925d4e34fe7a0b1e919e10c31a37c0716a1745bb545a49bd2681e6f35d6acb4601ca25922e7785aa15c37a5b1bc68c2172e434be3ae9c5f738ae6772