bdaejec | f6ce2397faf8422662ef027e8f92b267cffc69eecc05139d57787632765e0578

Analysis

max time kernel
104s
max time network
142s
platform
windows10-2004_x64
resource
win10v2004-20250313-en
resource tags

arch:x64arch:x86image:win10v2004-20250313-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 07:51

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General

Target

f6ce2397faf8422662ef027e8f92b267cffc69eecc05139d57787632765e0578.exe
Size

1.6MB
MD5

0376e8bd1101e93d6cffe6506a66afeb
SHA1

3cb9fe7869515095c7ab4559fa7bacd3b822be94
SHA256

f6ce2397faf8422662ef027e8f92b267cffc69eecc05139d57787632765e0578
SHA512

2390eecfc32cd4eba221f8c690219284e73ce8154ac55bf5d872d6621e47f4da2043a4fb68db657fba7ee79193a4a2312352c60fec3a5675f2db75dcf721d786
SSDEEP

49152:EIMmB2/xzPfii1IvQb2DRX2gSw3ykLhAh14QBG7aqbjHq1:E/m2/x7fi1Ib2DH5ykmh1NB

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/4216-24-0x00000000009B0000-0x00000000009B9000-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/0x00080000000241fb-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-1-5-21-3446877943-4095308722-756223633-1000\Control Panel\International\Geo\Nation	mxSiyM.exe

Executes dropped EXE 1 IoCs

pid	Process
4216	mxSiyM.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\133.0.6943.60\os_update_handler.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	mxSiyM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\nmhproxy.exe	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	mxSiyM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	mxSiyM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	mxSiyM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	mxSiyM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	mxSiyM.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	mxSiyM.exe
File opened for modification	C:\Program Files (x86)\Google\GoogleUpdater\134.0.6985.0\disabledupdater.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	mxSiyM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	mxSiyM.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	f6ce2397faf8422662ef027e8f92b267cffc69eecc05139d57787632765e0578.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	mxSiyM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5872	f6ce2397faf8422662ef027e8f92b267cffc69eecc05139d57787632765e0578.exe
5872	f6ce2397faf8422662ef027e8f92b267cffc69eecc05139d57787632765e0578.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5872 wrote to memory of 4216	5872	f6ce2397faf8422662ef027e8f92b267cffc69eecc05139d57787632765e0578.exe	88
PID 5872 wrote to memory of 4216	5872	f6ce2397faf8422662ef027e8f92b267cffc69eecc05139d57787632765e0578.exe	88
PID 5872 wrote to memory of 4216	5872	f6ce2397faf8422662ef027e8f92b267cffc69eecc05139d57787632765e0578.exe	88
PID 4216 wrote to memory of 4404	4216	mxSiyM.exe	92
PID 4216 wrote to memory of 4404	4216	mxSiyM.exe	92
PID 4216 wrote to memory of 4404	4216	mxSiyM.exe	92

C:\Users\Admin\AppData\Local\Temp\f6ce2397faf8422662ef027e8f92b267cffc69eecc05139d57787632765e0578.exe
"C:\Users\Admin\AppData\Local\Temp\f6ce2397faf8422662ef027e8f92b267cffc69eecc05139d57787632765e0578.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5872
- C:\Users\Admin\AppData\Local\Temp\mxSiyM.exe
  C:\Users\Admin\AppData\Local\Temp\mxSiyM.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:4216
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\04f41083.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4404

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\1YAN2J8O\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\04f41083.bat

Filesize
187B

MD5
1b9e4302f1a6f6d2f5d97bd7ca7c202b

SHA1
6e9fb08d976db405341a6fde826e3a765e4a9848

SHA256
61dce5e3821faf1ea482eca4389f44214e3e1b8d45dab42ec116f15055264321

SHA512
3fc3a2e521af315cc90d9c1149e8f0c40c09dbbb979e8377ff2cecf8423d6640fc2bcbfa989c0a81abd3fd5189b8b0c8d07000033bef4d5f04b401de58ca4195

Download Submit
C:\Users\Admin\AppData\Local\Temp\0F893985.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/4216-4-0x00000000009B0000-0x00000000009B9000-memory.dmp

Filesize
36KB

Download
memory/4216-24-0x00000000009B0000-0x00000000009B9000-memory.dmp

Filesize
36KB

Download
memory/5872-0-0x00000000005F0000-0x000000000079B000-memory.dmp

Filesize
1.7MB

Download
memory/5872-26-0x00000000005F0000-0x000000000079B000-memory.dmp

Filesize
1.7MB

Download