bdaejec | d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd

Analysis

max time kernel
94s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 07:22

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General

Target

d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe
Size

2.0MB
MD5

620a13621d019f9c701d3bc1222050ec
SHA1

de765d5cbfd9d11fc00ea86bc48fad173e188df3
SHA256

d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd
SHA512

d1364a9e53e890ef26ae67cea48d939fa56d5ab2b4f84031c25c880571134d4c45879110e16bc561ba63aab28e49744c0217f08f25ef4e8d7e497e7221fcc145
SSDEEP

49152:XgtB57UF2mb+j5mhKbFMXCLAWzKQT27JSPdoclPuw:75CIKbGXCLA2TkJSVoclP

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++.

Processes:

resource	yara_rule
behavioral2/memory/4856-38-0x0000000000060000-0x0000000000069000-memory.dmp	family_bdaejec_backdoor

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
behavioral2/files/0x000a000000023bbd-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

Processes:

WwfujA.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	WwfujA.exe

Executes dropped EXE 1 IoCs

Processes:

WwfujA.exe

pid	Process
4856	WwfujA.exe

Drops file in Program Files directory 64 IoCs

Processes:

WwfujA.exe

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	WwfujA.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	WwfujA.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	WwfujA.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	WwfujA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	WwfujA.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	WwfujA.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	WwfujA.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	WwfujA.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	WwfujA.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{9733680C-0D1E-4BD2-A74F-0CCF42A8BF32}\chrome_installer.exe	WwfujA.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	WwfujA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	WwfujA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	WwfujA.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	WwfujA.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	WwfujA.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	WwfujA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	WwfujA.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

Processes:

d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exeWwfujA.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WwfujA.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe

pid	Process
5020	d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe
5020	d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe
5020	d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe
5020	d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe

Suspicious use of SendNotifyMessage 4 IoCs

Processes:

d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe

pid	Process
5020	d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe
5020	d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe
5020	d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe
5020	d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe

pid	Process
5020	d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exeWwfujA.exe

description	pid	Process	procid_target
PID 5020 wrote to memory of 4856	5020	d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe	83
PID 5020 wrote to memory of 4856	5020	d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe	83
PID 5020 wrote to memory of 4856	5020	d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe	83
PID 4856 wrote to memory of 2220	4856	WwfujA.exe	84
PID 4856 wrote to memory of 2220	4856	WwfujA.exe	84
PID 4856 wrote to memory of 2220	4856	WwfujA.exe	84

C:\Users\Admin\AppData\Local\Temp\d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe
"C:\Users\Admin\AppData\Local\Temp\d4df817d06e14b87444b82810af40d4cd443235f3682f5a26569a99a385ca5bd.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5020
- C:\Users\Admin\AppData\Local\Temp\WwfujA.exe
  C:\Users\Admin\AppData\Local\Temp\WwfujA.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:4856
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\056c65cb.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2220

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\056c65cb.bat

Filesize
187B

MD5
1a043bb06526f50e9028566b2aba084e

SHA1
08966899f5109cfee3260833b169f181aa481165

SHA256
2f9ddc21f6446084841cdedc60a41158681994465e6d863f0d4fffa1bd3b1b7a

SHA512
728a313cae7a4df29fbfaaf52a3b5beeb0f6f1b58442607e84ab353f77bb68ec1701057c1ad1390a6d5e643e75bfc44c50c5f8063caa44e12af82093a89c4abb

Download Submit
C:\Users\Admin\AppData\Local\Temp\76F805A6.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/4856-4-0x0000000000060000-0x0000000000069000-memory.dmp

Filesize
36KB

Download
memory/4856-38-0x0000000000060000-0x0000000000069000-memory.dmp

Filesize
36KB

Download
memory/5020-0-0x00000000005D0000-0x00000000007EA000-memory.dmp

Filesize
2.1MB

Download
memory/5020-40-0x00000000005D0000-0x00000000007EA000-memory.dmp

Filesize
2.1MB

Download
memory/5020-41-0x00000000005D0000-0x00000000007EA000-memory.dmp

Filesize
2.1MB

Download