bdaejec | dfa9737fcd1cc94521e59a63d34d42034f6a43ed26ac1825d635c559aacc30f3

Analysis

max time kernel
135s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-10-2024 02:19

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General

Target

dfa9737fcd1cc94521e59a63d34d42034f6a43ed26ac1825d635c559aacc30f3.exe
Size

352KB
MD5

830d9309bac6040b64732d254abf2b45
SHA1

56fb7e9171d2c834133235cf02d2f541225cc2ba
SHA256

dfa9737fcd1cc94521e59a63d34d42034f6a43ed26ac1825d635c559aacc30f3
SHA512

d38b2492b5fd77eef786002307a3af82a1bf4484121f586e46e372c60eba71c59456e6e4dfcb202ef9ea5e33672ba7bb7cc2f82988a1daecb70e0c67c6919e3f
SSDEEP

6144:3dkcl5UDo+lW+tJxtWiXA7A5yHG2hBYoYYZSfSm6/TuJg1B:3dkXE+l7xtrX5QGscYKJg

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/2360-47-0x00000000006E0000-0x00000000006E9000-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/0x000a000000023bac-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	LtXqWT.exe

Executes dropped EXE 1 IoCs

pid	Process
2360	LtXqWT.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	LtXqWT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	LtXqWT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	LtXqWT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	LtXqWT.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	LtXqWT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	LtXqWT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	LtXqWT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	LtXqWT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	LtXqWT.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	LtXqWT.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	LtXqWT.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	LtXqWT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	LtXqWT.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	LtXqWT.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	LtXqWT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	LtXqWT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	LtXqWT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	LtXqWT.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	LtXqWT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	LtXqWT.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	LtXqWT.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	LtXqWT.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	dfa9737fcd1cc94521e59a63d34d42034f6a43ed26ac1825d635c559aacc30f3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LtXqWT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4972 wrote to memory of 2360	4972	dfa9737fcd1cc94521e59a63d34d42034f6a43ed26ac1825d635c559aacc30f3.exe	85
PID 4972 wrote to memory of 2360	4972	dfa9737fcd1cc94521e59a63d34d42034f6a43ed26ac1825d635c559aacc30f3.exe	85
PID 4972 wrote to memory of 2360	4972	dfa9737fcd1cc94521e59a63d34d42034f6a43ed26ac1825d635c559aacc30f3.exe	85
PID 2360 wrote to memory of 532	2360	LtXqWT.exe	90
PID 2360 wrote to memory of 532	2360	LtXqWT.exe	90
PID 2360 wrote to memory of 532	2360	LtXqWT.exe	90

C:\Users\Admin\AppData\Local\Temp\dfa9737fcd1cc94521e59a63d34d42034f6a43ed26ac1825d635c559aacc30f3.exe
"C:\Users\Admin\AppData\Local\Temp\dfa9737fcd1cc94521e59a63d34d42034f6a43ed26ac1825d635c559aacc30f3.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4972
- C:\Users\Admin\AppData\Local\Temp\LtXqWT.exe
  C:\Users\Admin\AppData\Local\Temp\LtXqWT.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:2360
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\65801d45.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:532

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\9MFSIIMR\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\4EF72645.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\65801d45.bat

Filesize
187B

MD5
8c391f9f023570086c9de6d2b441deba

SHA1
fbf82b87050eb4897eae81ce3395542e87bb7e99

SHA256
887b99e88d07e2555b008879870e548006d3552b46b04fea39cfe979918e538a

SHA512
a42f5cf9b30af0c2bc3a817f92f9c6eadbd5b2a4e7597d29bd5f568cbea1717c6c113932ced052964b3ff4ac3df4675a31384e5bcbee238d0bf6595df892cb42

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2360-4-0x00000000006E0000-0x00000000006E9000-memory.dmp

Filesize
36KB

Download
memory/2360-47-0x00000000006E0000-0x00000000006E9000-memory.dmp

Filesize
36KB

Download
memory/4972-0-0x0000000000AA0000-0x0000000000AFE000-memory.dmp

Filesize
376KB

Download
memory/4972-7-0x0000000000AA0000-0x0000000000AFE000-memory.dmp

Filesize
376KB

Download