bdaejec | 6f57f33b49a8bd0632f14db272e93cce739bb36a2cc4ad8ac509cb8d28daf016

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17/01/2025, 02:23

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General

Target

6f57f33b49a8bd0632f14db272e93cce739bb36a2cc4ad8ac509cb8d28daf016.exe
Size

84KB
MD5

1b74e11ceb7c13eafe14cbb4e821278c
SHA1

9f78df54d7b820d40e2c198f783afc717f74debb
SHA256

6f57f33b49a8bd0632f14db272e93cce739bb36a2cc4ad8ac509cb8d28daf016
SHA512

59a504893439ac4cee61cc0658ae2806ac7ee23ce8acb14a682cd66b931d3c13696ddaf7e9bbded45f3548ab522c2048763558996b66ea087a7f31febe526172
SSDEEP

768:t03sqBPUD/WHiR9+z1v+1vhdkY7mCDN5zzANhHcz5WgQGPL4vzZq2o9W7GsxBbPr:vNDp+z121jV54sz5WrGCq2iW7z

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/2100-46-0x00000000002C0000-0x00000000002C9000-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/0x000c000000023b42-3.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	diNxmS.exe

Executes dropped EXE 1 IoCs

pid	Process
2100	diNxmS.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	diNxmS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	diNxmS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	diNxmS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	diNxmS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	diNxmS.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	diNxmS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	diNxmS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	diNxmS.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	diNxmS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	diNxmS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	diNxmS.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	diNxmS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	diNxmS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	diNxmS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	diNxmS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	diNxmS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	diNxmS.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	diNxmS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	diNxmS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	diNxmS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	diNxmS.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	diNxmS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	diNxmS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	diNxmS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	diNxmS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	diNxmS.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	diNxmS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	diNxmS.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	diNxmS.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	diNxmS.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	diNxmS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	diNxmS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	diNxmS.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	diNxmS.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	diNxmS.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	diNxmS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	diNxmS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	diNxmS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	diNxmS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	diNxmS.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	6f57f33b49a8bd0632f14db272e93cce739bb36a2cc4ad8ac509cb8d28daf016.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	diNxmS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4812	6f57f33b49a8bd0632f14db272e93cce739bb36a2cc4ad8ac509cb8d28daf016.exe
4812	6f57f33b49a8bd0632f14db272e93cce739bb36a2cc4ad8ac509cb8d28daf016.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4812 wrote to memory of 2100	4812	6f57f33b49a8bd0632f14db272e93cce739bb36a2cc4ad8ac509cb8d28daf016.exe	84
PID 4812 wrote to memory of 2100	4812	6f57f33b49a8bd0632f14db272e93cce739bb36a2cc4ad8ac509cb8d28daf016.exe	84
PID 4812 wrote to memory of 2100	4812	6f57f33b49a8bd0632f14db272e93cce739bb36a2cc4ad8ac509cb8d28daf016.exe	84
PID 2100 wrote to memory of 4648	2100	diNxmS.exe	86
PID 2100 wrote to memory of 4648	2100	diNxmS.exe	86
PID 2100 wrote to memory of 4648	2100	diNxmS.exe	86

C:\Users\Admin\AppData\Local\Temp\6f57f33b49a8bd0632f14db272e93cce739bb36a2cc4ad8ac509cb8d28daf016.exe
"C:\Users\Admin\AppData\Local\Temp\6f57f33b49a8bd0632f14db272e93cce739bb36a2cc4ad8ac509cb8d28daf016.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4812
- C:\Users\Admin\AppData\Local\Temp\diNxmS.exe
  C:\Users\Admin\AppData\Local\Temp\diNxmS.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:2100
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\36a04650.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4648

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\M6JHG9EK\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0F615C51.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\36a04650.bat

Filesize
187B

MD5
d34e5b826defd004ff5d247c76f34875

SHA1
2755df4a7fa1069d372fda906722e283ac5bc0a0

SHA256
600d2462c03d615942287a25f43df3692628ac32d197f4cf2056941c401091b4

SHA512
5d49c5097e12776ab5c36aba2fe5f6ae4f623a1a83711105c089bd478827a5d37259b924cc45ce6ca2ea59e6e9eeaec759962016d4ca3c7be2dc55c76d74e61a

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2100-5-0x00000000002C0000-0x00000000002C9000-memory.dmp

Filesize
36KB

Download
memory/2100-46-0x00000000002C0000-0x00000000002C9000-memory.dmp

Filesize
36KB

Download
memory/4812-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4812-48-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download