bdaejec | cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067dde

Analysis

max time kernel
134s
max time network
135s
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 12:03

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General

Target

cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067ddeN.exe
Size

424KB
MD5

410bd0b2a224d98346be14a3d8bc7690
SHA1

494230861d47da01e99fcad063f77912e075f273
SHA256

cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067dde
SHA512

2de7a93e0355c35204a991fa4d8180ea45960242d9742b08a1ca6d404b363abb7dd6f184c8f07104ebd7bb0e0bbbd961b2ad60a4fd57c068c5050c71f0f6c9b4
SSDEEP

3072:iP/AlO+dsHijwgRtQxPYFCywe0jA7sILipody4rBxfFgJ2Xt+TM+9B0eCkBITFFm:iP/AlOLCjDR+xE57sn7uxJIlBzBzXe

Score

10^/10

bdaejec aspackv2 backdoor discovery persistence

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/1624-39-0x0000000000E90000-0x0000000000E99000-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/0x000b000000023c75-3.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	WQMZip.exe

Executes dropped EXE 1 IoCs

pid	Process
1624	WQMZip.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\QuickTime Task = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067ddeN.exe\" -atboottime"	cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067ddeN.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	WQMZip.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	WQMZip.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	WQMZip.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	WQMZip.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	WQMZip.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	WQMZip.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	WQMZip.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	WQMZip.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	WQMZip.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	WQMZip.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	WQMZip.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	WQMZip.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	WQMZip.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	WQMZip.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	WQMZip.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	WQMZip.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	WQMZip.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	WQMZip.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	WQMZip.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	WQMZip.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	WQMZip.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	WQMZip.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	WQMZip.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	WQMZip.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	WQMZip.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe	WQMZip.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	WQMZip.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	WQMZip.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	WQMZip.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	WQMZip.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	WQMZip.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	cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067ddeN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WQMZip.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 4 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000_Classes\WOW6432Node\CLSID	cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067ddeN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\video/quicktime	cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067ddeN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\image/x-quicktime	cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067ddeN.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\MIME\Database\Content Type\image/x-macpaint	cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067ddeN.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3956	cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067ddeN.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
3956	cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067ddeN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3956 wrote to memory of 1624	3956	cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067ddeN.exe	84
PID 3956 wrote to memory of 1624	3956	cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067ddeN.exe	84
PID 3956 wrote to memory of 1624	3956	cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067ddeN.exe	84
PID 1624 wrote to memory of 1504	1624	WQMZip.exe	91
PID 1624 wrote to memory of 1504	1624	WQMZip.exe	91
PID 1624 wrote to memory of 1504	1624	WQMZip.exe	91

C:\Users\Admin\AppData\Local\Temp\cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067ddeN.exe
"C:\Users\Admin\AppData\Local\Temp\cd8e96c7b461f37c9cd4a3613e2598f398b9507b381f484fbde0e18b14067ddeN.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3956
- C:\Users\Admin\AppData\Local\Temp\WQMZip.exe
  C:\Users\Admin\AppData\Local\Temp\WQMZip.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:1624
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7a0b0c06.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1504

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\PGH3GSHW\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\70F9703E.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7a0b0c06.bat

Filesize
187B

MD5
a7fa15c7275300c572b37b8d65a96ee5

SHA1
b0777b9d241b0415699f71846005b6c7f3de7a57

SHA256
751d87079d4a37b0b935baffb60d6f35bbb4b7cd03307f914cfcabcbb1c10564

SHA512
0eb9e9961ad2da573f35224fe6c274646e524cdd4ceb9f3c818e1217ebc8f9aabd6af48f06aa9d18245328523776428ed4b8fc681f0a01e81ba4b73c66872968

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1624-4-0x0000000000E90000-0x0000000000E99000-memory.dmp

Filesize
36KB

Download
memory/1624-39-0x0000000000E90000-0x0000000000E99000-memory.dmp

Filesize
36KB

Download
memory/3956-0-0x0000000000070000-0x00000000000DC000-memory.dmp

Filesize
432KB

Download
memory/3956-41-0x0000000000070000-0x00000000000DC000-memory.dmp

Filesize
432KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads