bdaejec | a73c19d8a6dd9a19b7dd3e9eba088aac43e70a4bc3627506ab9aeb441e3f5d9c

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 22:45

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General

Target

a73c19d8a6dd9a19b7dd3e9eba088aac43e70a4bc3627506ab9aeb441e3f5d9c.exe
Size

12.0MB
MD5

086c6bb936a47c41a76eb567b4892b6e
SHA1

631e9ae1343b7ca445100bdb56a81ae2802662bd
SHA256

a73c19d8a6dd9a19b7dd3e9eba088aac43e70a4bc3627506ab9aeb441e3f5d9c
SHA512

4b2699980a251c9aca7a490e498ff3035e479cb0b2971081414296e10a79e4e489481550bb57569c999bb5cdd00e1bcfa253eaac1bf50e5aa38600f23c1c6811
SSDEEP

49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+zFFTCTMqQ:s/KU9/pyJx9Y5elR0T

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. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/3256-6-0x0000000000D80000-0x0000000000D89000-memory.dmp	family_bdaejec_backdoor
behavioral2/memory/3256-10-0x0000000000D80000-0x0000000000D89000-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/0x000c000000023b37-2.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	fXoDV.exe

Executes dropped EXE 1 IoCs

pid	Process
3256	fXoDV.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	fXoDV.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	fXoDV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	fXoDV.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	fXoDV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	fXoDV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	fXoDV.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	fXoDV.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	fXoDV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	fXoDV.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	fXoDV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	fXoDV.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	fXoDV.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	fXoDV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	fXoDV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	fXoDV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	fXoDV.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	fXoDV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	fXoDV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	fXoDV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	fXoDV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	fXoDV.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	fXoDV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	fXoDV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	fXoDV.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	fXoDV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	fXoDV.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	fXoDV.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	fXoDV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	fXoDV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	fXoDV.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	fXoDV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	fXoDV.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	a73c19d8a6dd9a19b7dd3e9eba088aac43e70a4bc3627506ab9aeb441e3f5d9c.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fXoDV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4732	a73c19d8a6dd9a19b7dd3e9eba088aac43e70a4bc3627506ab9aeb441e3f5d9c.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4732	a73c19d8a6dd9a19b7dd3e9eba088aac43e70a4bc3627506ab9aeb441e3f5d9c.exe
4732	a73c19d8a6dd9a19b7dd3e9eba088aac43e70a4bc3627506ab9aeb441e3f5d9c.exe
4732	a73c19d8a6dd9a19b7dd3e9eba088aac43e70a4bc3627506ab9aeb441e3f5d9c.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4732 wrote to memory of 3256	4732	a73c19d8a6dd9a19b7dd3e9eba088aac43e70a4bc3627506ab9aeb441e3f5d9c.exe	82
PID 4732 wrote to memory of 3256	4732	a73c19d8a6dd9a19b7dd3e9eba088aac43e70a4bc3627506ab9aeb441e3f5d9c.exe	82
PID 4732 wrote to memory of 3256	4732	a73c19d8a6dd9a19b7dd3e9eba088aac43e70a4bc3627506ab9aeb441e3f5d9c.exe	82
PID 3256 wrote to memory of 1676	3256	fXoDV.exe	92
PID 3256 wrote to memory of 1676	3256	fXoDV.exe	92
PID 3256 wrote to memory of 1676	3256	fXoDV.exe	92

C:\Users\Admin\AppData\Local\Temp\a73c19d8a6dd9a19b7dd3e9eba088aac43e70a4bc3627506ab9aeb441e3f5d9c.exe
"C:\Users\Admin\AppData\Local\Temp\a73c19d8a6dd9a19b7dd3e9eba088aac43e70a4bc3627506ab9aeb441e3f5d9c.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4732
- C:\Users\Admin\AppData\Local\Temp\fXoDV.exe
  C:\Users\Admin\AppData\Local\Temp\fXoDV.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:3256
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\558c56bc.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1676

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\Temp\558c56bc.bat

Filesize
185B

MD5
9df61338d64aaf1baa13a295e541e84b

SHA1
7934b57650dac61134adcbc45f713dfc9c8c4bec

SHA256
e83751428629ebfb3ac2d600bdc046c94bc35e59663469c7030d09e34b75a992

SHA512
922705d523dddc46161c37543547c99a83cb9eb7f317f3391b0c1adf77fc04baccd152d06211219a56481be0c6d73c9fae012f0ca191a6f6e5d9257458b9a23f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3256-6-0x0000000000D80000-0x0000000000D89000-memory.dmp

Filesize
36KB

Download
memory/3256-10-0x0000000000D80000-0x0000000000D89000-memory.dmp

Filesize
36KB

Download
memory/4732-5-0x00000000007E0000-0x0000000001441000-memory.dmp

Filesize
12.4MB

Download
memory/4732-8-0x00000000034C0000-0x00000000035C0000-memory.dmp

Filesize
1024KB

Download
memory/4732-9-0x00000000007E0000-0x0000000001441000-memory.dmp

Filesize
12.4MB

Download