bdaejec | 6f37a7802a3eb9572aafe7383a3790d7ae3516fe46a19f30a6cec3f2ee7c78a7

Analysis

max time kernel
115s
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
29-12-2024 23:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

6f37a7802a3eb9572aafe7383a3790d7ae3516fe46a19f30a6cec3f2ee7c78a7.exe
Size

464KB
MD5

cdf57c6ddb8101b3df63cbdb906f553b
SHA1

91335d4e17c6f170a51ffe4255813cddad7a1f6a
SHA256

6f37a7802a3eb9572aafe7383a3790d7ae3516fe46a19f30a6cec3f2ee7c78a7
SHA512

a29ba75df9287a047f212fc653645f24e253d82d9680a98740214356ed453ee75b068a4f4743ce9b842a5886641486d8430e214987d4046fef15649de08cf0ce
SSDEEP

12288:05NaIk7nsp5pahQ2hkhsYvCpJZ2u4Tsgm/:05lB2hkhfvCpf2fTf

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/2520-29-0x0000000000430000-0x0000000000439000-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/0x000f000000023a30-3.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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	eWn.exe

Executes dropped EXE 1 IoCs

pid	Process
2520	eWn.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	eWn.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	eWn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	eWn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	eWn.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	eWn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	eWn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	eWn.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	eWn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	eWn.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	eWn.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	eWn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	eWn.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	eWn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	eWn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	eWn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	eWn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	eWn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	eWn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	eWn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	eWn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	eWn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	eWn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	eWn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	eWn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	eWn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	eWn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	eWn.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	eWn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	eWn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	eWn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	eWn.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	eWn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	eWn.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	eWn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	eWn.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	eWn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	eWn.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	eWn.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	eWn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	eWn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	eWn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	eWn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	eWn.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	eWn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	eWn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	eWn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	eWn.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	eWn.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	6f37a7802a3eb9572aafe7383a3790d7ae3516fe46a19f30a6cec3f2ee7c78a7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eWn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2808 wrote to memory of 2520	2808	6f37a7802a3eb9572aafe7383a3790d7ae3516fe46a19f30a6cec3f2ee7c78a7.exe	84
PID 2808 wrote to memory of 2520	2808	6f37a7802a3eb9572aafe7383a3790d7ae3516fe46a19f30a6cec3f2ee7c78a7.exe	84
PID 2808 wrote to memory of 2520	2808	6f37a7802a3eb9572aafe7383a3790d7ae3516fe46a19f30a6cec3f2ee7c78a7.exe	84
PID 2520 wrote to memory of 1876	2520	eWn.exe	102
PID 2520 wrote to memory of 1876	2520	eWn.exe	102
PID 2520 wrote to memory of 1876	2520	eWn.exe	102

C:\Users\Admin\AppData\Local\Temp\6f37a7802a3eb9572aafe7383a3790d7ae3516fe46a19f30a6cec3f2ee7c78a7.exe
"C:\Users\Admin\AppData\Local\Temp\6f37a7802a3eb9572aafe7383a3790d7ae3516fe46a19f30a6cec3f2ee7c78a7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2808
- C:\Users\Admin\AppData\Local\Temp\eWn.exe
  C:\Users\Admin\AppData\Local\Temp\eWn.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:2520
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2b5743a6.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1876

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\DQ67RYHS\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\2b5743a6.bat

Filesize
181B

MD5
55a8524c07328023ee30a69f7db68f59

SHA1
d30293287cb46b1544383d13338ede41c53810b5

SHA256
95f15dea69a45f88007f403217e689fd148191539a29fe94382bb4bb99f1892a

SHA512
7bfffcc8948de2cb39ef9c7bad84add26152a45bef31b14e3a1ebe66e2d9b8d01b46301ad4439832d19cced3cff911022e003e7b54f280de128436c2fa45e7b3

Download Submit
C:\Users\Admin\AppData\Local\Temp\4BAC3AF5.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2520-4-0x0000000000430000-0x0000000000439000-memory.dmp

Filesize
36KB

Download
memory/2520-29-0x0000000000430000-0x0000000000439000-memory.dmp

Filesize
36KB

Download
memory/2808-0-0x00000000009D0000-0x0000000000A4B000-memory.dmp

Filesize
492KB

Download
memory/2808-28-0x00000000009D0000-0x0000000000A4B000-memory.dmp

Filesize
492KB

Download