bdaejec | dd23b91802db436df659ce628cd7ac36e1b5240b55f711f69c595c4b7d537e41

Analysis

max time kernel
93s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-11-2024 04:35

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General

Target

2024-11-25_3678b6fac035fcc1f705c291a9039c58_smoke-loader_wapomi.exe
Size

35KB
MD5

3678b6fac035fcc1f705c291a9039c58
SHA1

925a09039de5d0006daf64cbacb798d285f91445
SHA256

dd23b91802db436df659ce628cd7ac36e1b5240b55f711f69c595c4b7d537e41
SHA512

00ee093f46e49d7709a9a1dddc5f8e6b1d782832355bb8946382a2208fc9f5c9a6563670d947d71e0d21a4949a9ff66bd17f68484377b0c6f71ec30fa25b1be7
SSDEEP

768:3wv4s7UUpOvj8u4Mf4MMRt4Mtj6QGPL4vzZq2o9W7GsxBbPr:3wvvoqO4uP87t5GCq2iW7z

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++.

Processes:

resource	yara_rule
behavioral2/memory/4372-46-0x0000000000C80000-0x0000000000C89000-memory.dmp	family_bdaejec_backdoor

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
behavioral2/files/0x000c000000023c16-3.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

Processes:

nvKAct.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	nvKAct.exe

Executes dropped EXE 1 IoCs

Processes:

nvKAct.exe

pid	Process
4372	nvKAct.exe

Drops file in Program Files directory 64 IoCs

Processes:

nvKAct.exe

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	nvKAct.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	nvKAct.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	nvKAct.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	nvKAct.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	nvKAct.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	nvKAct.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	nvKAct.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	nvKAct.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	nvKAct.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	nvKAct.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	nvKAct.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	nvKAct.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	nvKAct.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	nvKAct.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	nvKAct.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	nvKAct.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	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	nvKAct.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	nvKAct.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	nvKAct.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	nvKAct.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	nvKAct.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	nvKAct.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	nvKAct.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	nvKAct.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	nvKAct.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	nvKAct.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	nvKAct.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	nvKAct.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

Processes:

cmd.exe2024-11-25_3678b6fac035fcc1f705c291a9039c58_smoke-loader_wapomi.exenvKAct.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-25_3678b6fac035fcc1f705c291a9039c58_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nvKAct.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

2024-11-25_3678b6fac035fcc1f705c291a9039c58_smoke-loader_wapomi.exe

pid	Process
4776	2024-11-25_3678b6fac035fcc1f705c291a9039c58_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2024-11-25_3678b6fac035fcc1f705c291a9039c58_smoke-loader_wapomi.exenvKAct.exe

description	pid	Process	procid_target
PID 4776 wrote to memory of 4372	4776	2024-11-25_3678b6fac035fcc1f705c291a9039c58_smoke-loader_wapomi.exe	83
PID 4776 wrote to memory of 4372	4776	2024-11-25_3678b6fac035fcc1f705c291a9039c58_smoke-loader_wapomi.exe	83
PID 4776 wrote to memory of 4372	4776	2024-11-25_3678b6fac035fcc1f705c291a9039c58_smoke-loader_wapomi.exe	83
PID 4372 wrote to memory of 404	4372	nvKAct.exe	86
PID 4372 wrote to memory of 404	4372	nvKAct.exe	86
PID 4372 wrote to memory of 404	4372	nvKAct.exe	86

C:\Users\Admin\AppData\Local\Temp\2024-11-25_3678b6fac035fcc1f705c291a9039c58_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-25_3678b6fac035fcc1f705c291a9039c58_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4776
- C:\Users\Admin\AppData\Local\Temp\nvKAct.exe
  C:\Users\Admin\AppData\Local\Temp\nvKAct.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:4372
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5faf4e65.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:404

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\5faf4e65.bat

Filesize
187B

MD5
efad30a977778e5f78940fbd801a6f4a

SHA1
c47cdd82ab717166661903f7f687ca6af1e25c69

SHA256
0ab34617a0ad483fc2841cc9fc1d56ac0e41e9bfe7d15d3bab68db3b07f1081f

SHA512
61dd00347f38170ef04ecd7b4e765e45077c1730ef505183f553f59dea638dd0568a4e546c3b5ce241f23b2c711f41fbecc7439c092a2868f8c8240b4ded6737

Download Submit
C:\Users\Admin\AppData\Local\Temp\79836C60.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/4372-4-0x0000000000C80000-0x0000000000C89000-memory.dmp

Filesize
36KB

Download
memory/4372-46-0x0000000000C80000-0x0000000000C89000-memory.dmp

Filesize
36KB

Download
memory/4776-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4776-48-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download