bdaejec | 7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888

Analysis

max time kernel
110s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 00:54

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General

Target

7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
Size

930KB
MD5

7b69bda4c2571cfacbf5a04837647f7e
SHA1

e15c3f93555ff159d209cb13f05db66e4307b250
SHA256

7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888
SHA512

04037e60b3ecb9d6b596c06866aa611242c7a14323d9384b24c269a9beceae58e8325fcea2b9879893836eccf6ca388a237000f2077230765e5829731c977c65
SSDEEP

12288:hr+/U0UAQ0QkiWNlyxRCugvijhCWTJUuD6q9RIHwjMj+F8ii6JqgkYUV+I7cKRgF:hqBUAPiWNA0vijQWquD2wjqIO6lnicKY

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/2232-48-0x0000000000180000-0x0000000000189000-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/0x0008000000023c9a-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	byvEek.exe

Executes dropped EXE 1 IoCs

pid	Process
2232	byvEek.exe

Enumerates connected drives 3 TTPs 2 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\D:	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
File opened (read-only)	\??\F:	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	byvEek.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	byvEek.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	byvEek.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	byvEek.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe	byvEek.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	byvEek.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	byvEek.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	byvEek.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	byvEek.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	byvEek.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	byvEek.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	byvEek.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	byvEek.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	byvEek.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	byvEek.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	byvEek.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	byvEek.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{87F23B05-A117-4666-BB8C-A9C77E6BFB56}\chrome_installer.exe	byvEek.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	byvEek.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	byvEek.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	byvEek.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	byvEek.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	byvEek.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	byvEek.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	byvEek.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	byvEek.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	byvEek.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	byvEek.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	byvEek.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	byvEek.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	byvEek.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	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	byvEek.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\DeviceDesc	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
2948	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
2948	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
2948	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
2948	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
2948	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
2948	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
2948	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
2948	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2948	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
2948	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
2948	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2948 wrote to memory of 2232	2948	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe	82
PID 2948 wrote to memory of 2232	2948	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe	82
PID 2948 wrote to memory of 2232	2948	7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe	82
PID 2232 wrote to memory of 2356	2232	byvEek.exe	83
PID 2232 wrote to memory of 2356	2232	byvEek.exe	83
PID 2232 wrote to memory of 2356	2232	byvEek.exe	83

C:\Users\Admin\AppData\Local\Temp\7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe
"C:\Users\Admin\AppData\Local\Temp\7ccd934b6ec4b3b7d5ec7a84460f27d1c33ad8642ed3f7908ac6b7c040d29888.exe"
1⤵
- Enumerates connected drives
- System Location Discovery: System Language Discovery
- Checks SCSI registry key(s)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2948
- C:\Users\Admin\AppData\Local\Temp\byvEek.exe
  C:\Users\Admin\AppData\Local\Temp\byvEek.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:2232
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2a41788e.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2356

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

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\P2UT3MS5\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\2A015659.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\2a41788e.bat

Filesize
187B

MD5
402328d1f3a80d20d9517e84b88aabe5

SHA1
6fb4a4a7d2224564bbcbc58012415c4951876ab2

SHA256
ac4b0fdbc7e2e6bf0431a3e9e4242bbbc13193ddfff9d8155c4926d2021ed950

SHA512
457c11ae3687976f96a91431b664d8f28bcdad312dd2da7534dd67fc5962cb0ca46caef8fd7c335b74860b9abcf0a6d413b7e515e98d63b03c8327567d996ac1

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2232-4-0x0000000000180000-0x0000000000189000-memory.dmp

Filesize
36KB

Download
memory/2232-48-0x0000000000180000-0x0000000000189000-memory.dmp

Filesize
36KB

Download
memory/2948-0-0x0000000000250000-0x0000000000534000-memory.dmp

Filesize
2.9MB

Download
memory/2948-8-0x0000000000250000-0x0000000000534000-memory.dmp

Filesize
2.9MB

Download
memory/2948-7-0x0000000000250000-0x0000000000534000-memory.dmp

Filesize
2.9MB

Download
memory/2948-9-0x0000000000250000-0x0000000000534000-memory.dmp

Filesize
2.9MB

Download
memory/2948-50-0x0000000000250000-0x0000000000534000-memory.dmp

Filesize
2.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads