bdaejec | 4382cf7dd1c27f68317b320a13c85494f3bfbf42f03d0ba8094e3aa9af2d66d3

Analysis

max time kernel
96s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2024, 20:29

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General

Target

4382cf7dd1c27f68317b320a13c85494f3bfbf42f03d0ba8094e3aa9af2d66d3N.exe
Size

96KB
MD5

be8823d295e6ffc960687356e53c0b90
SHA1

3bd48c1055316152b7d799afb695d4cb678d9a94
SHA256

4382cf7dd1c27f68317b320a13c85494f3bfbf42f03d0ba8094e3aa9af2d66d3
SHA512

b1b6f2c62c9bc9a59c25ba41b58cf52d935658d353e8274ec577bb645cb8b9bf937a3f237c612f64ff00f1e6ef61c2344b6edaea725c322d778447011ce7934e
SSDEEP

1536:pECLKU4+dwC/p0cQ7ZCAINqPDHuXnvE0oK1fLGCq2iW7z:pJLrp0cQ7QAINqPDHQnc0GCH

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/4744-48-0x0000000000CC0000-0x0000000000CC9000-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/0x0008000000023c94-3.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	eVRKlMX.exe

Executes dropped EXE 1 IoCs

pid	Process
4744	eVRKlMX.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{F123CA10-B28F-434D-9884-6C3679B73C43}\chrome_installer.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	eVRKlMX.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	eVRKlMX.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	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	eVRKlMX.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	eVRKlMX.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	4382cf7dd1c27f68317b320a13c85494f3bfbf42f03d0ba8094e3aa9af2d66d3N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eVRKlMX.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 4744	540	4382cf7dd1c27f68317b320a13c85494f3bfbf42f03d0ba8094e3aa9af2d66d3N.exe	83
PID 540 wrote to memory of 4744	540	4382cf7dd1c27f68317b320a13c85494f3bfbf42f03d0ba8094e3aa9af2d66d3N.exe	83
PID 540 wrote to memory of 4744	540	4382cf7dd1c27f68317b320a13c85494f3bfbf42f03d0ba8094e3aa9af2d66d3N.exe	83
PID 4744 wrote to memory of 2500	4744	eVRKlMX.exe	85
PID 4744 wrote to memory of 2500	4744	eVRKlMX.exe	85
PID 4744 wrote to memory of 2500	4744	eVRKlMX.exe	85

C:\Users\Admin\AppData\Local\Temp\4382cf7dd1c27f68317b320a13c85494f3bfbf42f03d0ba8094e3aa9af2d66d3N.exe
"C:\Users\Admin\AppData\Local\Temp\4382cf7dd1c27f68317b320a13c85494f3bfbf42f03d0ba8094e3aa9af2d66d3N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:540
- C:\Users\Admin\AppData\Local\Temp\eVRKlMX.exe
  C:\Users\Admin\AppData\Local\Temp\eVRKlMX.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:4744
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\246a3641.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2500

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\8R55UT9S\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0B1E6123.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\246a3641.bat

Filesize
189B

MD5
1f06484eb7433063e3250a42f386fa6d

SHA1
fb93fdfba7f02c7c38bbf472fba6b73c87671537

SHA256
e36acd0dd19e66d1af7c26133a960f082e8a14485cde43da63de2b9b46e21df0

SHA512
f741accc78713b35516b76f2a95a3bca0d03b49bed063756957851232ebe8ee3c088846d731cda89943f5807e18ea796047aee95e710d7c1f18d986f147ce3b3

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/540-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/540-7-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4744-5-0x0000000000CC0000-0x0000000000CC9000-memory.dmp

Filesize
36KB

Download
memory/4744-48-0x0000000000CC0000-0x0000000000CC9000-memory.dmp

Filesize
36KB

Download