bdaejec | 97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749

Analysis

max time kernel
94s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 04:57

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General

Target

97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe
Size

80KB
MD5

cd8c507ee0b2c50fec1b243a74817017
SHA1

6a8626380b5fc561b7d22f55e93a7523fb8b9a71
SHA256

97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749
SHA512

e6f84f376d285c5c8ba6c6e623e58d7ed4d9f4bbf833e050b9dee59910c863bfeef0bc0c9f3e351ed4737038cedbe774a9e98483f30a02856186058f5b3e1640
SSDEEP

1536:Yg/6/tM8NXDjPX0QWlfGMckTQ3BGCq2iW7z:Hk3U8kTQRGCH

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/4316-47-0x0000000000A60000-0x0000000000A69000-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/0x000c000000023b19-3.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	lwo.exe

Executes dropped EXE 1 IoCs

pid	Process
4316	lwo.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	lwo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	lwo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	lwo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	lwo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	lwo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	lwo.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	lwo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	lwo.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	lwo.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	lwo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	lwo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	lwo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	lwo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	lwo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	lwo.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	lwo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	lwo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	lwo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	lwo.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	lwo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	lwo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	lwo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	lwo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	lwo.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	lwo.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	lwo.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	lwo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3188 wrote to memory of 4316	3188	97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe	82
PID 3188 wrote to memory of 4316	3188	97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe	82
PID 3188 wrote to memory of 4316	3188	97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe	82
PID 4316 wrote to memory of 4064	4316	lwo.exe	83
PID 4316 wrote to memory of 4064	4316	lwo.exe	83
PID 4316 wrote to memory of 4064	4316	lwo.exe	83

C:\Users\Admin\AppData\Local\Temp\97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe
"C:\Users\Admin\AppData\Local\Temp\97b1256771b7685dcb264ed1797272f6d22ded1c876f25b57f1983626a269749.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3188
- C:\Users\Admin\AppData\Local\Temp\lwo.exe
  C:\Users\Admin\AppData\Local\Temp\lwo.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:4316
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4f752394.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4064

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\PGH3GSHW\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\2379716B.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\4f752394.bat

Filesize
181B

MD5
41983df5456618f16a86a495fcce3fb7

SHA1
6b81e55bced655105affb812382ab0eef634ceb9

SHA256
c44d7354682f373d461afb0ba1b3aa9ed367c1e02a57f04333b13fc4c564845a

SHA512
3c3fa070a2ae908f48402a7414b6b14922ae7e884d2538818662c07cf259d54d3600e39a8479321fcecdce0cf8f5a2ba2d8e035856d8b7b6c8f3c0ff959df07c

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3188-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3188-5-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4316-6-0x0000000000A60000-0x0000000000A69000-memory.dmp

Filesize
36KB

Download
memory/4316-47-0x0000000000A60000-0x0000000000A69000-memory.dmp

Filesize
36KB

Download