bdaejec | e066a8229d6660dceebebad79c110b67de0918e76a41cc577f613c5bb7e0a139

Analysis

max time kernel
149s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 22:11

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General

Target

e066a8229d6660dceebebad79c110b67de0918e76a41cc577f613c5bb7e0a139.exe
Size

832KB
MD5

65c89db2a62374e4ab8c2e2318775c2f
SHA1

c9a7ee1f7f0834d7e04fe31482f618ccce6ead41
SHA256

e066a8229d6660dceebebad79c110b67de0918e76a41cc577f613c5bb7e0a139
SHA512

6578ac993dc32647e51a940e0be8807b6babd21126ddf06fa0e583e692fb5e42c4f152b84586fccb5b65737acc848ace14771b0e95a6743d0c12fe23f6e91e50
SSDEEP

12288:Rq7HdsjnEcEwKhPcx8wLcZWRz0w7r5TspmpKiOqF+By3AhhV:Rq7dsrEzwI0x80cuympSqF+By3Ahh

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/3480-49-0x0000000000AB0000-0x0000000000AB9000-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/0x0008000000023c5f-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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	CBVsNi.exe

Executes dropped EXE 1 IoCs

pid	Process
3480	CBVsNi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	CBVsNi.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	CBVsNi.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	CBVsNi.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	CBVsNi.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	CBVsNi.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	CBVsNi.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	CBVsNi.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	CBVsNi.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	CBVsNi.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	CBVsNi.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	CBVsNi.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	CBVsNi.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	CBVsNi.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	CBVsNi.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	CBVsNi.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	CBVsNi.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	CBVsNi.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	CBVsNi.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	CBVsNi.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	CBVsNi.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	CBVsNi.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	CBVsNi.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	CBVsNi.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	CBVsNi.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	CBVsNi.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	CBVsNi.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	CBVsNi.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	CBVsNi.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	CBVsNi.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	e066a8229d6660dceebebad79c110b67de0918e76a41cc577f613c5bb7e0a139.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CBVsNi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4976	e066a8229d6660dceebebad79c110b67de0918e76a41cc577f613c5bb7e0a139.exe
4976	e066a8229d6660dceebebad79c110b67de0918e76a41cc577f613c5bb7e0a139.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4976 wrote to memory of 3480	4976	e066a8229d6660dceebebad79c110b67de0918e76a41cc577f613c5bb7e0a139.exe	85
PID 4976 wrote to memory of 3480	4976	e066a8229d6660dceebebad79c110b67de0918e76a41cc577f613c5bb7e0a139.exe	85
PID 4976 wrote to memory of 3480	4976	e066a8229d6660dceebebad79c110b67de0918e76a41cc577f613c5bb7e0a139.exe	85
PID 3480 wrote to memory of 1388	3480	CBVsNi.exe	89
PID 3480 wrote to memory of 1388	3480	CBVsNi.exe	89
PID 3480 wrote to memory of 1388	3480	CBVsNi.exe	89

C:\Users\Admin\AppData\Local\Temp\e066a8229d6660dceebebad79c110b67de0918e76a41cc577f613c5bb7e0a139.exe
"C:\Users\Admin\AppData\Local\Temp\e066a8229d6660dceebebad79c110b67de0918e76a41cc577f613c5bb7e0a139.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4976
- C:\Users\Admin\AppData\Local\Temp\CBVsNi.exe
  C:\Users\Admin\AppData\Local\Temp\CBVsNi.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:3480
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\03fe4e31.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1388

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\FQRZN8O7\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\03fe4e31.bat

Filesize
187B

MD5
89d74cf966f6ab33ec75b1179541f17c

SHA1
7630dbacf375764ec69e81170555e1ee6444bccd

SHA256
8449b3598de025954b63978b6725d10fb50478cc7b7d4ea4c9258284db623592

SHA512
b3a76396cdb102d1c4111de87f7f57bd620085fdb671c5d58ec97a934346adfe00156a7a35993eeb344a16df1d2255a7de9e01245214ce4cd097cead1763334d

Download Submit
C:\Users\Admin\AppData\Local\Temp\743C059A.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
7a6e4230a06062a30fce28ecfbbabf8f

SHA1
c4609df76a9f98a34f86ffde0c35789b18388bbf

SHA256
3cd39fc206e0ba2bfae28907f85bf99e853305e16003964b78e762b568a12c74

SHA512
ddb65a9d60229976b70c74ba5fd698dd676bd5d5bd69c2cc2604ad98bb0b9fdd2bca0a2476fb0eda8eecf8e43786d948da8b9bb20da94190a65655ee14e541d1

Download Submit
memory/3480-4-0x0000000000AB0000-0x0000000000AB9000-memory.dmp

Filesize
36KB

Download
memory/3480-49-0x0000000000AB0000-0x0000000000AB9000-memory.dmp

Filesize
36KB

Download
memory/4976-0-0x0000000000400000-0x00000000004F4000-memory.dmp

Filesize
976KB

Download
memory/4976-7-0x0000000000400000-0x00000000004F4000-memory.dmp

Filesize
976KB

Download