bdaejec | f303e4551fa0c021a61073e7a401c9ba2f621a9f0a02e7bc8d5522bd2e5aa345

Analysis

max time kernel
93s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-11-2024 21:55

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General

Target

f303e4551fa0c021a61073e7a401c9ba2f621a9f0a02e7bc8d5522bd2e5aa345.exe
Size

312KB
MD5

bf48630d7ba4088905ca483f2dbc9382
SHA1

af93f4609326a6630a19808775ae0b879d2131d5
SHA256

f303e4551fa0c021a61073e7a401c9ba2f621a9f0a02e7bc8d5522bd2e5aa345
SHA512

d24f4e7896ce33e799661b3110757d55beb36adb1a54b1f0a686718750a64f9b67bca2cf9b9c95833c2a849658168be9da2deee3341a16ac69d126c0f95f749a
SSDEEP

3072:x330ltWCmu9GeOyKM4ipNF87xLEoijgExxC51eWvvidBbj0rX+qMQm0GCHG:x0ltWSGedMxQoij9ng1NvidaXrmJt

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. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/980-6-0x0000000000860000-0x0000000000869000-memory.dmp	family_bdaejec_backdoor
behavioral2/memory/980-48-0x0000000000860000-0x0000000000869000-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/0x000a000000023c44-3.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	rhAKfJ.exe

Executes dropped EXE 1 IoCs

pid	Process
980	rhAKfJ.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	rhAKfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	rhAKfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	rhAKfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	rhAKfJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	rhAKfJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	rhAKfJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	rhAKfJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	rhAKfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	rhAKfJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	rhAKfJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	rhAKfJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	rhAKfJ.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	rhAKfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	rhAKfJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	rhAKfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	rhAKfJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	rhAKfJ.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	f303e4551fa0c021a61073e7a401c9ba2f621a9f0a02e7bc8d5522bd2e5aa345.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rhAKfJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 980	3572	f303e4551fa0c021a61073e7a401c9ba2f621a9f0a02e7bc8d5522bd2e5aa345.exe	84
PID 3572 wrote to memory of 980	3572	f303e4551fa0c021a61073e7a401c9ba2f621a9f0a02e7bc8d5522bd2e5aa345.exe	84
PID 3572 wrote to memory of 980	3572	f303e4551fa0c021a61073e7a401c9ba2f621a9f0a02e7bc8d5522bd2e5aa345.exe	84
PID 980 wrote to memory of 456	980	rhAKfJ.exe	90
PID 980 wrote to memory of 456	980	rhAKfJ.exe	90
PID 980 wrote to memory of 456	980	rhAKfJ.exe	90

C:\Users\Admin\AppData\Local\Temp\f303e4551fa0c021a61073e7a401c9ba2f621a9f0a02e7bc8d5522bd2e5aa345.exe
"C:\Users\Admin\AppData\Local\Temp\f303e4551fa0c021a61073e7a401c9ba2f621a9f0a02e7bc8d5522bd2e5aa345.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3572
- C:\Users\Admin\AppData\Local\Temp\rhAKfJ.exe
  C:\Users\Admin\AppData\Local\Temp\rhAKfJ.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:980
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\63d32a5f.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:456

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\6IJLDY7V\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\1A02633B.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\63d32a5f.bat

Filesize
187B

MD5
fb98ca454591abcd92a106b2aea3d616

SHA1
d703a0044eb6379a90ead2a0aa3e9e06416a6f1b

SHA256
879d80649659b60b2efdb5117de7494dba0964fcd90c345a5cf7fb6b662692f3

SHA512
24a08ba0faa4a69427482d02d9677bd72a4078eead6b5170dbb793db543f43a1696ead321805982b724cb6aa98bc4a915393ce8358c9c3c6d93c1b259a59ead7

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/980-6-0x0000000000860000-0x0000000000869000-memory.dmp

Filesize
36KB

Download
memory/980-48-0x0000000000860000-0x0000000000869000-memory.dmp

Filesize
36KB

Download
memory/3572-5-0x0000000000B40000-0x0000000005883000-memory.dmp

Filesize
77.3MB

Download
memory/3572-50-0x0000000000B40000-0x0000000005883000-memory.dmp

Filesize
77.3MB

Download