bdaejec | 8c1309a9bf45daaa29179c581f5c26e00c108096fbe4c3fbe1c85a399f5ecf5f

Analysis

max time kernel
93s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11-11-2024 08:25

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General

Target

2024-11-11_32f8a3cf02452292f93e8cc718189d46_smoke-loader_wapomi.exe
Size

80KB
MD5

32f8a3cf02452292f93e8cc718189d46
SHA1

0a6328f65b4a88c99c45d9512efa975e636cdc59
SHA256

8c1309a9bf45daaa29179c581f5c26e00c108096fbe4c3fbe1c85a399f5ecf5f
SHA512

9df592a8f377a6a2f546051c95860b9905c929f7ec26221660661b3035419b389f747e25e615a2a4b30ea30c31ec948354040950a82477fb3ffbf8c257f66dfb
SSDEEP

1536:RfnLq01weW5yX3jFxv49Nu4GhQ7lGCq2iW7z:Y3ysTGhQRGCH

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/3552-36-0x0000000000520000-0x0000000000529000-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/0x0033000000023b88-3.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:

rvxyVB.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	rvxyVB.exe

Executes dropped EXE 1 IoCs

Processes:

rvxyVB.exe

pid	Process
3552	rvxyVB.exe

Drops file in Program Files directory 64 IoCs

Processes:

rvxyVB.exe

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	rvxyVB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	rvxyVB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	rvxyVB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	rvxyVB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	rvxyVB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	rvxyVB.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	rvxyVB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	rvxyVB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	rvxyVB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	rvxyVB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	rvxyVB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	rvxyVB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	rvxyVB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	rvxyVB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	rvxyVB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	rvxyVB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	rvxyVB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	rvxyVB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	rvxyVB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	rvxyVB.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	rvxyVB.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	rvxyVB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	rvxyVB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	rvxyVB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	rvxyVB.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	rvxyVB.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.exe2024-11-11_32f8a3cf02452292f93e8cc718189d46_smoke-loader_wapomi.exervxyVB.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-11_32f8a3cf02452292f93e8cc718189d46_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rvxyVB.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2024-11-11_32f8a3cf02452292f93e8cc718189d46_smoke-loader_wapomi.exervxyVB.exe

description	pid	Process	procid_target
PID 1272 wrote to memory of 3552	1272	2024-11-11_32f8a3cf02452292f93e8cc718189d46_smoke-loader_wapomi.exe	84
PID 1272 wrote to memory of 3552	1272	2024-11-11_32f8a3cf02452292f93e8cc718189d46_smoke-loader_wapomi.exe	84
PID 1272 wrote to memory of 3552	1272	2024-11-11_32f8a3cf02452292f93e8cc718189d46_smoke-loader_wapomi.exe	84
PID 3552 wrote to memory of 2720	3552	rvxyVB.exe	90
PID 3552 wrote to memory of 2720	3552	rvxyVB.exe	90
PID 3552 wrote to memory of 2720	3552	rvxyVB.exe	90

C:\Users\Admin\AppData\Local\Temp\2024-11-11_32f8a3cf02452292f93e8cc718189d46_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-11_32f8a3cf02452292f93e8cc718189d46_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1272
- C:\Users\Admin\AppData\Local\Temp\rvxyVB.exe
  C:\Users\Admin\AppData\Local\Temp\rvxyVB.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:3552
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1a071e4c.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2720

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\0BHOTC3C\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\1a071e4c.bat

Filesize
187B

MD5
69bc9bb7fdb4155acb747091a0351487

SHA1
2397d43bb7b7bac9b28402c6b7d257f798e41218

SHA256
feb9bdc03486cb403a7d1b56e04818234e36cceb1fde8c136d365f1279b24a8a

SHA512
49d5b7c09aa62c767514c75e1790b8b11db3ce268391c29b187ee829bb39051a6733ff463202210f6ccdf085a3c824d3b35c75b905f9973099dbb3f9b9463075

Download Submit
C:\Users\Admin\AppData\Local\Temp\2CAD2732.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1272-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1272-5-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3552-4-0x0000000000520000-0x0000000000529000-memory.dmp

Filesize
36KB

Download
memory/3552-36-0x0000000000520000-0x0000000000529000-memory.dmp

Filesize
36KB

Download