bdaejec | cb0d303f66d5ace8ee689b69adeeee25f048619bcb7102a523aba9af30185f26

Analysis

max time kernel
105s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 12:05

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General

Target

cb0d303f66d5ace8ee689b69adeeee25f048619bcb7102a523aba9af30185f26N.exe
Size

1.8MB
MD5

71a569b204a670aae81a0ca014f8afa0
SHA1

04aa15581585a57fba85ba2c7c80b720f29a1474
SHA256

cb0d303f66d5ace8ee689b69adeeee25f048619bcb7102a523aba9af30185f26
SHA512

c1df09c80257c664b48853ee0ec9ab0bb983dce51f1e453c5f361eb8f88068fbca6d8929fc9b72b60860a4c9bd9f0ffaf424d739e293842e0b78b7764c1bb307
SSDEEP

49152:hPt8WJ3SeUjEqED4wAmE5G9ZC3tr4aS6BMWdE95AhcL6:DVCpED4wALU983tfS6pkh

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/1492-46-0x0000000000470000-0x0000000000479000-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/0x000d000000023b33-3.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	GbCQqh.exe

Executes dropped EXE 1 IoCs

pid	Process
1492	GbCQqh.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	GbCQqh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	GbCQqh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	GbCQqh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	GbCQqh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	GbCQqh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	GbCQqh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	GbCQqh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	GbCQqh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	GbCQqh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	GbCQqh.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	GbCQqh.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	GbCQqh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	GbCQqh.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	GbCQqh.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	GbCQqh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	GbCQqh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	GbCQqh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	GbCQqh.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	GbCQqh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	GbCQqh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	GbCQqh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	GbCQqh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	GbCQqh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	GbCQqh.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	GbCQqh.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	GbCQqh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	GbCQqh.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	GbCQqh.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	cb0d303f66d5ace8ee689b69adeeee25f048619bcb7102a523aba9af30185f26N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	GbCQqh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1152	cb0d303f66d5ace8ee689b69adeeee25f048619bcb7102a523aba9af30185f26N.exe
1152	cb0d303f66d5ace8ee689b69adeeee25f048619bcb7102a523aba9af30185f26N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1152 wrote to memory of 1492	1152	cb0d303f66d5ace8ee689b69adeeee25f048619bcb7102a523aba9af30185f26N.exe	86
PID 1152 wrote to memory of 1492	1152	cb0d303f66d5ace8ee689b69adeeee25f048619bcb7102a523aba9af30185f26N.exe	86
PID 1152 wrote to memory of 1492	1152	cb0d303f66d5ace8ee689b69adeeee25f048619bcb7102a523aba9af30185f26N.exe	86
PID 1492 wrote to memory of 976	1492	GbCQqh.exe	90
PID 1492 wrote to memory of 976	1492	GbCQqh.exe	90
PID 1492 wrote to memory of 976	1492	GbCQqh.exe	90

C:\Users\Admin\AppData\Local\Temp\cb0d303f66d5ace8ee689b69adeeee25f048619bcb7102a523aba9af30185f26N.exe
"C:\Users\Admin\AppData\Local\Temp\cb0d303f66d5ace8ee689b69adeeee25f048619bcb7102a523aba9af30185f26N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1152
- C:\Users\Admin\AppData\Local\Temp\GbCQqh.exe
  C:\Users\Admin\AppData\Local\Temp\GbCQqh.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:1492
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\01c161fb.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:976

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:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\01c161fb.bat

Filesize
187B

MD5
eb47db84f9615947cd29ea5df10d51f2

SHA1
65a56cec46317be95a4961a8ce705b12a26f3334

SHA256
f7801a491d91add0ba5314e4ea4b1e41918877e04b18e29a74e01bfd1be97cd5

SHA512
5679e9e636ff3d176d4ae693284e9ce909574c4bb610666697754a84bcef28969842f8912e0e4c8d88fceee7afd9c1d4f53f155f7f85e2dda70cab812812c97b

Download Submit
C:\Users\Admin\AppData\Local\Temp\33090116.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1152-0-0x0000000000C60000-0x0000000000E3B000-memory.dmp

Filesize
1.9MB

Download
memory/1152-48-0x0000000000C60000-0x0000000000E3B000-memory.dmp

Filesize
1.9MB

Download
memory/1492-4-0x0000000000470000-0x0000000000479000-memory.dmp

Filesize
36KB

Download
memory/1492-46-0x0000000000470000-0x0000000000479000-memory.dmp

Filesize
36KB

Download