bdaejec | 91799b6e02fcd747bc5cc56bbd81f49815e6b6f6559ca45e6f3176b39e12f0e6

Analysis

max time kernel
95s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 11:58

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General

Target

2025-01-02_22ca79da555657eb956b6fbd994607e1_smoke-loader_wapomi.exe
Size

208KB
MD5

22ca79da555657eb956b6fbd994607e1
SHA1

14ccb98b4a8488ae5730a83e6ae715cada39192e
SHA256

91799b6e02fcd747bc5cc56bbd81f49815e6b6f6559ca45e6f3176b39e12f0e6
SHA512

9852d26b651e0f1cab72dd605a91cbb060fb102024d30790a986787a9ec3190a578538d3af9bb57f83d434c2033683dd92b759b5342f241ef66785d8773a3213
SSDEEP

3072:LW8KaJvnsgaSIwi/cJimz+zQzBYTBf9pAXAZPuYQO6GCH:Qkv1IHyz+zQeTBl2MuyL

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/3608-45-0x0000000000BE0000-0x0000000000BE9000-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/0x000c000000023ba8-3.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	MKO.exe

Executes dropped EXE 1 IoCs

pid	Process
3608	MKO.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	MKO.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	MKO.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	MKO.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	MKO.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	MKO.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	MKO.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	MKO.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	MKO.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	MKO.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	MKO.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	MKO.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	MKO.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	MKO.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	MKO.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	MKO.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	MKO.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	2025-01-02_22ca79da555657eb956b6fbd994607e1_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MKO.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 848 wrote to memory of 3608	848	2025-01-02_22ca79da555657eb956b6fbd994607e1_smoke-loader_wapomi.exe	83
PID 848 wrote to memory of 3608	848	2025-01-02_22ca79da555657eb956b6fbd994607e1_smoke-loader_wapomi.exe	83
PID 848 wrote to memory of 3608	848	2025-01-02_22ca79da555657eb956b6fbd994607e1_smoke-loader_wapomi.exe	83
PID 3608 wrote to memory of 3224	3608	MKO.exe	84
PID 3608 wrote to memory of 3224	3608	MKO.exe	84
PID 3608 wrote to memory of 3224	3608	MKO.exe	84

C:\Users\Admin\AppData\Local\Temp\2025-01-02_22ca79da555657eb956b6fbd994607e1_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-02_22ca79da555657eb956b6fbd994607e1_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:848
- C:\Users\Admin\AppData\Local\Temp\MKO.exe
  C:\Users\Admin\AppData\Local\Temp\MKO.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:3608
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\23cc316a.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3224

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\23cc316a.bat

Filesize
181B

MD5
1471ed99f11974a5b22b45e15d6c399f

SHA1
60878e9ea9c58970c47c87faa0de67c8c7293c42

SHA256
1d56630b4ef8e2f75a8771cd3dc307cf3ad91025516894bd18c77cf5c22e639e

SHA512
9f97935331b3ae595ceb2e6c52c32e93c339814407bc65cad671965a4600440662e5293e96dc5cbc868012f935a447a8cc93b878909e88760cccf1ce985c7219

Download Submit
C:\Users\Admin\AppData\Local\Temp\3DD42783.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/848-0-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/848-47-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/3608-4-0x0000000000BE0000-0x0000000000BE9000-memory.dmp

Filesize
36KB

Download
memory/3608-45-0x0000000000BE0000-0x0000000000BE9000-memory.dmp

Filesize
36KB

Download