bdaejec | 85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-10-2024 01:55

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General

Target

85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe
Size

650KB
MD5

314176bf315abcbae8afc29fc14df090
SHA1

b4e8f59057e2caba1c466be018fd0b8df0f4a91a
SHA256

85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48
SHA512

6ebb25e3edff4b000e52bb83c1d23e6ac2afebba7ea7baca4eb2cfbcdf57e3044ab2c1ef0f1baa4692500ffe0d70a0c08c97e4fad8d9c623e6d43d9380d3b7a8
SSDEEP

12288:RhMrzivePPYQmwPJKoXc8SM64DNRoXPirgSKzuq:jMHivMPUgSp4DNv0x

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

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

Processes:

resource	yara_rule
behavioral2/memory/4572-47-0x0000000000990000-0x0000000000999000-memory.dmp	family_bdaejec_backdoor

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
behavioral2/files/0x000d000000023b84-4.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

Processes:

gYhVsE.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	gYhVsE.exe

Executes dropped EXE 1 IoCs

Processes:

gYhVsE.exe

pid	Process
4572	gYhVsE.exe

Drops file in Program Files directory 64 IoCs

Processes:

gYhVsE.exe

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	gYhVsE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	gYhVsE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	gYhVsE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	gYhVsE.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	gYhVsE.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{AFD1DC19-D740-4861-ADFA-3BC6A9F6A223}\chrome_installer.exe	gYhVsE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	gYhVsE.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	gYhVsE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	gYhVsE.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	gYhVsE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	gYhVsE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	gYhVsE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	gYhVsE.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	gYhVsE.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	gYhVsE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	gYhVsE.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	gYhVsE.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	gYhVsE.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	gYhVsE.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

Processes:

cmd.exe85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exegYhVsE.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gYhVsE.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exegYhVsE.exe

description	pid	Process	procid_target
PID 1576 wrote to memory of 4572	1576	85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe	84
PID 1576 wrote to memory of 4572	1576	85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe	84
PID 1576 wrote to memory of 4572	1576	85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe	84
PID 4572 wrote to memory of 3924	4572	gYhVsE.exe	88
PID 4572 wrote to memory of 3924	4572	gYhVsE.exe	88
PID 4572 wrote to memory of 3924	4572	gYhVsE.exe	88

C:\Users\Admin\AppData\Local\Temp\85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe
"C:\Users\Admin\AppData\Local\Temp\85d78e0a851c743a308b55b83a4a6d69244344e4f7ccbc4e1d7e02bc28380f48N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1576
- C:\Users\Admin\AppData\Local\Temp\gYhVsE.exe
  C:\Users\Admin\AppData\Local\Temp\gYhVsE.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:4572
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\77f04c4b.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3924

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\VKYZDMA5\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\174C4EEB.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\77f04c4b.bat

Filesize
187B

MD5
5027094951db769ab7b9df1f94e54e9a

SHA1
bc02c25dba4e946fdeca5191075ce33e6285696e

SHA256
47787d6f8b228231e6a3df0632bbba2d4660facd77a05f5d1701f79c9cb89094

SHA512
231ca9bf982a97c296cba9024470edf572c5d6fbd589ac1ba1428231f9eb7fbc17eddf27807d22d11859429313f2b0cf3110a3c16fc48fff7b45fffecf7cc2ca

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1576-0-0x0000000000640000-0x00000000006E9000-memory.dmp

Filesize
676KB

Download
memory/1576-7-0x0000000000640000-0x00000000006E9000-memory.dmp

Filesize
676KB

Download
memory/4572-5-0x0000000000990000-0x0000000000999000-memory.dmp

Filesize
36KB

Download
memory/4572-47-0x0000000000990000-0x0000000000999000-memory.dmp

Filesize
36KB

Download