bdaejec | 2cb59682c1a1271744fc928d8bc0ae0766ba41cdece956ed9b180f06f34cfca7

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
20-11-2024 18:31

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General

Target

2024-11-20_917f0bc664c60204a54955123cb1697c_smoke-loader_wapomi.exe
Size

203KB
MD5

917f0bc664c60204a54955123cb1697c
SHA1

1564ba6453c70c7c6c2821fa2423d32331530a9f
SHA256

2cb59682c1a1271744fc928d8bc0ae0766ba41cdece956ed9b180f06f34cfca7
SHA512

198601756d3002664aedbc1b0372c03d0b7fa05377dab30dd41a1fbc24ee97bb1bf9a43f4d3a60635f49a506862da460c74b772030bc0779dcbda5ae8124271f
SSDEEP

3072:v1TlCN3DeL0dA/VkvpS6zpQDt0v2E6LGHxdOWTtDwqytR2TBf9AqqpUwI3GCH:BlGXd4OvDzewKLGHj0qTBlznBW

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/2080-45-0x0000000000750000-0x0000000000759000-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/0x0008000000023c8d-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	ObDCTR.exe

Executes dropped EXE 1 IoCs

pid	Process
2080	ObDCTR.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	ObDCTR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	ObDCTR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	ObDCTR.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	ObDCTR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	ObDCTR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	ObDCTR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	ObDCTR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	ObDCTR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	ObDCTR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	ObDCTR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	ObDCTR.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	ObDCTR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	ObDCTR.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	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	ObDCTR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	ObDCTR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	ObDCTR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	ObDCTR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	ObDCTR.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	ObDCTR.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	ObDCTR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	ObDCTR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	ObDCTR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	ObDCTR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	ObDCTR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	ObDCTR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	ObDCTR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	ObDCTR.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	ObDCTR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	ObDCTR.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	ObDCTR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-20_917f0bc664c60204a54955123cb1697c_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 2080	1612	2024-11-20_917f0bc664c60204a54955123cb1697c_smoke-loader_wapomi.exe	83
PID 1612 wrote to memory of 2080	1612	2024-11-20_917f0bc664c60204a54955123cb1697c_smoke-loader_wapomi.exe	83
PID 1612 wrote to memory of 2080	1612	2024-11-20_917f0bc664c60204a54955123cb1697c_smoke-loader_wapomi.exe	83
PID 2080 wrote to memory of 1756	2080	ObDCTR.exe	84
PID 2080 wrote to memory of 1756	2080	ObDCTR.exe	84
PID 2080 wrote to memory of 1756	2080	ObDCTR.exe	84

C:\Users\Admin\AppData\Local\Temp\2024-11-20_917f0bc664c60204a54955123cb1697c_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_917f0bc664c60204a54955123cb1697c_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Users\Admin\AppData\Local\Temp\ObDCTR.exe
  C:\Users\Admin\AppData\Local\Temp\ObDCTR.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:2080
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\208f3afc.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1756

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\9MFSIIMR\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\00394596.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\208f3afc.bat

Filesize
187B

MD5
77a1132221cd813100cb5e1ca2947c8e

SHA1
957df7864c1b725d0b85b24f0f8d8c23133a0b0b

SHA256
420c97d5a56804603e8391397a7ce0b1989b6aabc3b6fd68d7f87beb1a32b7e2

SHA512
294f75b10fa30eed7c5e58ca57f27213fcfa321ae757bb1e215bc87e4d239bc777f17479bf8d6a55ca9dd0a61b61e57fbf815735fab0fa07188097dc5cad9dcb

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1612-0-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1612-47-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2080-4-0x0000000000750000-0x0000000000759000-memory.dmp

Filesize
36KB

Download
memory/2080-45-0x0000000000750000-0x0000000000759000-memory.dmp

Filesize
36KB

Download