bdaejec | b2599b6a4c962dfc0a071fd1fb43662c3c08b1340bbb3f56680f88a0ffa0bee9

Analysis

max time kernel
95s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-01-2025 15:11

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General

Target

9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe
Size

2.7MB
MD5

14f6e66efcbcc6ef30286fa5c5be1697
SHA1

ad99edce34103e6e0aa91e4794e96ecf08d5e306
SHA256

9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a
SHA512

b54b6ac29828b58557ab83c70fe9f0f4ad484b88add115e3c2db5ef31cc3e87a4f50d2740d1bbbb412a9bac324bf8da81bdf71863794c2f27908e0fe97285e3b
SSDEEP

49152:UlFcqJWq7TVCfF92zMWGyBk4O1iVIQBzUcdm/ll:UlF1RCN92zMWGyg1DQ+c

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/1436-24-0x0000000000B70000-0x0000000000B79000-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/0x0009000000023ca0-3.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	vvfUDpb.exe

Executes dropped EXE 1 IoCs

pid	Process
1436	vvfUDpb.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	vvfUDpb.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	vvfUDpb.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	vvfUDpb.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	vvfUDpb.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	9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vvfUDpb.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	392	9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 392 wrote to memory of 1436	392	9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe	84
PID 392 wrote to memory of 1436	392	9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe	84
PID 392 wrote to memory of 1436	392	9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe	84
PID 1436 wrote to memory of 628	1436	vvfUDpb.exe	86
PID 1436 wrote to memory of 628	1436	vvfUDpb.exe	86
PID 1436 wrote to memory of 628	1436	vvfUDpb.exe	86

C:\Users\Admin\AppData\Local\Temp\9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe
"C:\Users\Admin\AppData\Local\Temp\9fbd818dc28ea5561278e873bd9b6deb896d4fbaac86209903bdeaad55c6c31a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:392
- C:\Users\Admin\AppData\Local\Temp\vvfUDpb.exe
  C:\Users\Admin\AppData\Local\Temp\vvfUDpb.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:1436
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\73231378.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:628

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\XH3Z2ZON\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\1504229F.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\73231378.bat

Filesize
189B

MD5
0c1af86d93db3752acda1acd3a78bc03

SHA1
eda1d2e924be4147fe19f81023b5eb6fd3d3310c

SHA256
20786eb4905a98ebde3f27a0294a20e88ccc47f1a876e238c86f2f0cf624181b

SHA512
4f6fd3cfa0e1627a56d14f65b6f1939736861f2b4fde045a04369ac981d111ce5248168fd99499f6454f84c672743b1f6310a293e1cbacb4e00c69210e364867

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/392-0-0x0000000000FC0000-0x000000000127C000-memory.dmp

Filesize
2.7MB

Download
memory/392-26-0x0000000000FC0000-0x000000000127C000-memory.dmp

Filesize
2.7MB

Download
memory/1436-5-0x0000000000B70000-0x0000000000B79000-memory.dmp

Filesize
36KB

Download
memory/1436-24-0x0000000000B70000-0x0000000000B79000-memory.dmp

Filesize
36KB

Download