bdaejec | be5a122273e7376d52c86d72d8527a90881fa802fe819170537280bef596b43e

Analysis

max time kernel
92s
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
20-11-2024 12:34

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General

Target

2024-11-20_52a5822ff450da21048368f7a163fdb3_bkransomware_wapomi.exe
Size

7.3MB
MD5

52a5822ff450da21048368f7a163fdb3
SHA1

18eae9c5e1276f871f0a82419311f8bcceb19bad
SHA256

be5a122273e7376d52c86d72d8527a90881fa802fe819170537280bef596b43e
SHA512

1a4601ba50f1f71b51afb60caedbec95d1381896c0b0535e84206df65a49132faf3dc83c75871ff22747275a4153fcbc9bf9cd6a94177f0bdaa28d564e654125
SSDEEP

196608:kSxt5g3vWwe9f/3R4Zq4V+3XcJHQw4O7NADtVev+Tt:kSxrg3+we9XR4Zq0l7ct

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/880-45-0x0000000000670000-0x0000000000679000-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/0x000a000000023c98-3.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	kpuhLx.exe

Executes dropped EXE 1 IoCs

pid	Process
880	kpuhLx.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	kpuhLx.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	kpuhLx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	kpuhLx.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	kpuhLx.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	kpuhLx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	kpuhLx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	kpuhLx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	kpuhLx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{86C113DF-C14A-4A2D-BFB2-2F0FC039BBA8}\chrome_installer.exe	kpuhLx.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	kpuhLx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	kpuhLx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	kpuhLx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	kpuhLx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	kpuhLx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	kpuhLx.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	kpuhLx.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	kpuhLx.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	kpuhLx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	kpuhLx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	kpuhLx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	kpuhLx.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	kpuhLx.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	kpuhLx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	kpuhLx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	kpuhLx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	kpuhLx.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	2024-11-20_52a5822ff450da21048368f7a163fdb3_bkransomware_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kpuhLx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1360	2024-11-20_52a5822ff450da21048368f7a163fdb3_bkransomware_wapomi.exe
1360	2024-11-20_52a5822ff450da21048368f7a163fdb3_bkransomware_wapomi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1360 wrote to memory of 880	1360	2024-11-20_52a5822ff450da21048368f7a163fdb3_bkransomware_wapomi.exe	82
PID 1360 wrote to memory of 880	1360	2024-11-20_52a5822ff450da21048368f7a163fdb3_bkransomware_wapomi.exe	82
PID 1360 wrote to memory of 880	1360	2024-11-20_52a5822ff450da21048368f7a163fdb3_bkransomware_wapomi.exe	82
PID 880 wrote to memory of 2428	880	kpuhLx.exe	83
PID 880 wrote to memory of 2428	880	kpuhLx.exe	83
PID 880 wrote to memory of 2428	880	kpuhLx.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-11-20_52a5822ff450da21048368f7a163fdb3_bkransomware_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_52a5822ff450da21048368f7a163fdb3_bkransomware_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1360
- C:\Users\Admin\AppData\Local\Temp\kpuhLx.exe
  C:\Users\Admin\AppData\Local\Temp\kpuhLx.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:880
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7d4c474d.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2428

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\537C3939.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7d4c474d.bat

Filesize
187B

MD5
98f4d589d9d6069708d5f20432d6bcd1

SHA1
394ffa26fc95d9b7bf789eef1ea4eceac6e9e111

SHA256
9a9788bff76b002113ccb35f9fc66469048fbcc5a4877236a6c6597782f58446

SHA512
ce9e44de51c3423ed8b56755e07f24bfeadc2b5923ea7affb0d190a49e3225d037fec657976403751acf666978237758213ae26dfb3b2633510517d211eb45d5

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/880-5-0x0000000000670000-0x0000000000679000-memory.dmp

Filesize
36KB

Download
memory/880-45-0x0000000000670000-0x0000000000679000-memory.dmp

Filesize
36KB

Download
memory/1360-0-0x00000000003C0000-0x0000000000B24000-memory.dmp

Filesize
7.4MB

Download
memory/1360-47-0x00000000003C0000-0x0000000000B24000-memory.dmp

Filesize
7.4MB

Download