bdaejec | d16292bc56c98d0098ce43bb1bc0b526593182821cce22b78750e87cd04989bf

Analysis

max time kernel
94s
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
26-12-2024 09:31

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General

Target

2024-12-26_c806cec1971ffab88a3ab286bcbbe434_smoke-loader_wapomi.exe
Size

80KB
MD5

c806cec1971ffab88a3ab286bcbbe434
SHA1

b9f368ec9adfb3a947f1dbe11fd19c938d5a42ec
SHA256

d16292bc56c98d0098ce43bb1bc0b526593182821cce22b78750e87cd04989bf
SHA512

7e73e0c3ce49b7deeced098660cfa0eb9a6ba1941a09521751674773b365817f0dcbc904ea0a7c24e32df4749eb41e3960f61dc94475a68c7d4f0e2c90d54c43
SSDEEP

1536:2HB0UxMkzOt7HcvJGt5AdHIOWnToIf12ZPgGCq2iW7z:2hAWJGSCTBf12ZIGCH

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/3060-19-0x0000000000780000-0x0000000000789000-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/0x000c000000023b19-3.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	OKsKtnY.exe

Executes dropped EXE 1 IoCs

pid	Process
3060	OKsKtnY.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\GoogleUpdateBroker.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	OKsKtnY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	OKsKtnY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	OKsKtnY.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	OKsKtnY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	OKsKtnY.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	OKsKtnY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	OKsKtnY.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	OKsKtnY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	OKsKtnY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	OKsKtnY.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	OKsKtnY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	OKsKtnY.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	OKsKtnY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	OKsKtnY.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	OKsKtnY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	OKsKtnY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	OKsKtnY.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	OKsKtnY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	OKsKtnY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	OKsKtnY.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	OKsKtnY.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	2024-12-26_c806cec1971ffab88a3ab286bcbbe434_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OKsKtnY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 3060	1288	2024-12-26_c806cec1971ffab88a3ab286bcbbe434_smoke-loader_wapomi.exe	82
PID 1288 wrote to memory of 3060	1288	2024-12-26_c806cec1971ffab88a3ab286bcbbe434_smoke-loader_wapomi.exe	82
PID 1288 wrote to memory of 3060	1288	2024-12-26_c806cec1971ffab88a3ab286bcbbe434_smoke-loader_wapomi.exe	82
PID 3060 wrote to memory of 1872	3060	OKsKtnY.exe	83
PID 3060 wrote to memory of 1872	3060	OKsKtnY.exe	83
PID 3060 wrote to memory of 1872	3060	OKsKtnY.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-12-26_c806cec1971ffab88a3ab286bcbbe434_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-26_c806cec1971ffab88a3ab286bcbbe434_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1288
- C:\Users\Admin\AppData\Local\Temp\OKsKtnY.exe
  C:\Users\Admin\AppData\Local\Temp\OKsKtnY.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:3060
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1a384b2e.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1872

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\PGH3GSHW\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\1a384b2e.bat

Filesize
189B

MD5
0cf4920451d226c3eb250d5b5c4a2aa5

SHA1
193b71d6a1038e7c917ca695d9eaa51a89eaa871

SHA256
ff91eb0fd5e7332457f6100c0346afc99cce44fdfd59c2f62bc7f5fab679fc46

SHA512
b4fcd58640142c97a43cd99f0e5fe38b3a3040f1e5188c0f5ab676be754d23509fdad922e50704a72ebc85e8e73bc654b806ce1cbc52a74652e677ed1be47047

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1288-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/1288-21-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3060-4-0x0000000000780000-0x0000000000789000-memory.dmp

Filesize
36KB

Download
memory/3060-19-0x0000000000780000-0x0000000000789000-memory.dmp

Filesize
36KB

Download