bdaejec | 40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40

Analysis

max time kernel
94s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-10-2024 20:14

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General

Target

40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
Size

32KB
MD5

ff2234207d6641fa4c192b1ae1f33d60
SHA1

0dea8d8a5867a292f452605b5429a665ec1546df
SHA256

40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40
SHA512

3c612c2f93751716d9c37f0de90ed2066e1182b6b106c6e32075763809ec289ae5867c0c964bd51636668f87af65615092bbd0adaea1c8076f3cf7984a5aab50
SSDEEP

768:bQGPL4vzZq2o9W7GsxBbPrQfQGPL4vzZq2o9W7GsxBbPr:cGCq2iW7zU4GCq2iW7z

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

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/3600-80-0x0000000000200000-0x0000000000209000-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/0x000c000000023b90-3.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe

Executes dropped EXE 1 IoCs

pid	Process
3600	olsCDq.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	olsCDq.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	olsCDq.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	olsCDq.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	olsCDq.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	olsCDq.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	olsCDq.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	olsCDq.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	olsCDq.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	olsCDq.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	olsCDq.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	olsCDq.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	olsCDq.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	olsCDq.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	olsCDq.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	olsCDq.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	olsCDq.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe	olsCDq.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	olsCDq.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	olsCDq.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	olsCDq.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.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	olsCDq.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	olsCDq.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	olsCDq.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	olsCDq.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	olsCDq.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	olsCDq.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	olsCDq.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	olsCDq.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	olsCDq.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	olsCDq.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	olsCDq.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	olsCDq.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	olsCDq.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.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	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	olsCDq.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 3600	2208	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe	83
PID 2208 wrote to memory of 3600	2208	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe	83
PID 2208 wrote to memory of 3600	2208	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe	83
PID 2208 wrote to memory of 4072	2208	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe	87
PID 2208 wrote to memory of 4072	2208	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe	87
PID 2208 wrote to memory of 4072	2208	40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe	87

C:\Users\Admin\AppData\Local\Temp\40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe
"C:\Users\Admin\AppData\Local\Temp\40807b6d1faacd3b77f1bcc61c24a7e443fe8cf01bfaa044b908b5f4c16d8a40N.exe"
1⤵
- Checks computer location settings
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\olsCDq.exe
  C:\Users\Admin\AppData\Local\Temp\olsCDq.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:3600
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3c703a79.bat" "
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4072

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:\Program Files\7-Zip\Uninstall.exe

Filesize
31KB

MD5
997af8c522ffdc91caceaba0d92fb050

SHA1
aaeaecbb9a165eda117cbc6c1c29c15f1e6778d3

SHA256
7a6e47550bc3aa4757d79aecec7be9387718c6c884fb2ea2e5a8e19c34827643

SHA512
b5f517eb07b98daef5474bcaa7871ac9d279f1938f55046518a0aeef062436b25526bac344742fc3b3cc6acbc93611f2fbbb39ebc1978109790d038c89a8167a

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\k1[2].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\3c703a79.bat

Filesize
305B

MD5
2e2f4bd25d554828304eaf852397d086

SHA1
acd90faa5c71068f58a8951b49f31fb046c6e84d

SHA256
963279eed528619cf3d9f95da24dbbdf8f31178dbe043f9261f9ea03a5b97560

SHA512
0d22818c3132dd8214bc30ec07377505e2e6bf78b2a1f175f329e03aed18a1e8e32b63b27706e74b6ad3c93202296a50fd9052c5c2a8778565ce1ca7a33ee66d

Download Submit
C:\Users\Admin\AppData\Local\Temp\6B3669E8.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2208-0-0x0000000000250000-0x000000000025E000-memory.dmp

Filesize
56KB

Download
memory/2208-84-0x0000000000250000-0x000000000025E000-memory.dmp

Filesize
56KB

Download
memory/3600-4-0x0000000000200000-0x0000000000209000-memory.dmp

Filesize
36KB

Download
memory/3600-80-0x0000000000200000-0x0000000000209000-memory.dmp

Filesize
36KB

Download