bdaejec | c4e2f03077d0f6fe2fedca59fa76845497d0a6077f6a4ee5fe4bc65e79e40098

Analysis

max time kernel
94s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 06:07

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General

Target

c4e2f03077d0f6fe2fedca59fa76845497d0a6077f6a4ee5fe4bc65e79e40098.exe
Size

1.1MB
MD5

fc541cfb66fb22766ba2875463dbb264
SHA1

3e0dc7e0bdac357985f83efbeddca115c7b48eaf
SHA256

c4e2f03077d0f6fe2fedca59fa76845497d0a6077f6a4ee5fe4bc65e79e40098
SHA512

ce5824eb08d6e271f7084f5de67f1b3f61c412771e043551e569c4f05bc8c4f0ccf9eb6a99d034527cea7ef503e48ee7fa8fa3550cff44da35ce4bce4fe1219a
SSDEEP

12288:ZqOPajQUXXP8QvLWFx6Mo5rippDC7ee1hpls4Ey+:ZnajQEPnvg6PhWDC750

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/2740-46-0x0000000000690000-0x0000000000699000-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/0x000c000000023bb8-3.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	vez.exe

Executes dropped EXE 1 IoCs

pid	Process
2740	vez.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7z.exe	vez.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	vez.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	vez.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	vez.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{1D4B5551-822C-42C0-B673-53AB80587853}\chrome_installer.exe	vez.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	vez.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	vez.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	vez.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	vez.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	vez.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	vez.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	vez.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	vez.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	vez.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	vez.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	vez.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	vez.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	vez.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	vez.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	vez.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	vez.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	vez.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	vez.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	vez.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	vez.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	vez.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	vez.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	vez.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	vez.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	vez.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	vez.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	vez.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	vez.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	vez.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	vez.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	vez.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	vez.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	vez.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	vez.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	vez.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	vez.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	vez.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	vez.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	vez.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	vez.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	vez.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	vez.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	vez.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	vez.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	vez.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	vez.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	vez.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	vez.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	vez.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	vez.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	vez.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	vez.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	vez.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	vez.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	vez.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	vez.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	vez.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	vez.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	vez.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4584	336	WerFault.exe	82

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	c4e2f03077d0f6fe2fedca59fa76845497d0a6077f6a4ee5fe4bc65e79e40098.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vez.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
336	c4e2f03077d0f6fe2fedca59fa76845497d0a6077f6a4ee5fe4bc65e79e40098.exe
336	c4e2f03077d0f6fe2fedca59fa76845497d0a6077f6a4ee5fe4bc65e79e40098.exe
336	c4e2f03077d0f6fe2fedca59fa76845497d0a6077f6a4ee5fe4bc65e79e40098.exe
336	c4e2f03077d0f6fe2fedca59fa76845497d0a6077f6a4ee5fe4bc65e79e40098.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 336 wrote to memory of 2740	336	c4e2f03077d0f6fe2fedca59fa76845497d0a6077f6a4ee5fe4bc65e79e40098.exe	83
PID 336 wrote to memory of 2740	336	c4e2f03077d0f6fe2fedca59fa76845497d0a6077f6a4ee5fe4bc65e79e40098.exe	83
PID 336 wrote to memory of 2740	336	c4e2f03077d0f6fe2fedca59fa76845497d0a6077f6a4ee5fe4bc65e79e40098.exe	83
PID 2740 wrote to memory of 1000	2740	vez.exe	87
PID 2740 wrote to memory of 1000	2740	vez.exe	87
PID 2740 wrote to memory of 1000	2740	vez.exe	87

C:\Users\Admin\AppData\Local\Temp\c4e2f03077d0f6fe2fedca59fa76845497d0a6077f6a4ee5fe4bc65e79e40098.exe
"C:\Users\Admin\AppData\Local\Temp\c4e2f03077d0f6fe2fedca59fa76845497d0a6077f6a4ee5fe4bc65e79e40098.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:336
- C:\Users\Admin\AppData\Local\Temp\vez.exe
  C:\Users\Admin\AppData\Local\Temp\vez.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:2740
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\374a3eb1.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1000
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 336 -s 1888
  2⤵
  - Program crash
  PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 336 -ip 336
1⤵
PID:1820

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\M6JHG9EK\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0ECB6873.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\374a3eb1.bat

Filesize
181B

MD5
0543c1f55255cc6d5653e913b6b14055

SHA1
00585043493eeb535c11aedb30f817bbd5c45815

SHA256
b604b7fe33f2b5ac04fce61dffd1cd4edcafc8feb68919f8c1aa8768bea5539b

SHA512
25027666152beba0ec4b3a0925459f163bf6e862823a7348bc6987e854a7c5f859a8e1c47113c15b2cfab875d127d5970f1624d26992d5cbcd902243ca758b6b

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/336-0-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/336-48-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/2740-4-0x0000000000690000-0x0000000000699000-memory.dmp

Filesize
36KB

Download
memory/2740-46-0x0000000000690000-0x0000000000699000-memory.dmp

Filesize
36KB

Download