bdaejec | d59f0807902e89eee53db2a85bab6131700fa6be2d36604cc32efe71c94ad6bf

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08/12/2024, 11:57

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General

Target

2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe
Size

1.2MB
MD5

b3670f2666c0f3ccb9456e0aab00480d
SHA1

3a9efa649fecc41fd2e5b05630504452ce9d3bb5
SHA256

d59f0807902e89eee53db2a85bab6131700fa6be2d36604cc32efe71c94ad6bf
SHA512

2b3cea482fe944b0d7f3515abf8f9e6534c857622d0d26dd0bdcbd34e545a411e0222dfb129ec19709e516e999eef0e8c2b0f7db248dd5f1fcb445089c9c1de6
SSDEEP

24576:07GO7dtrjrICw9XuXo7beSTdt5xbX02uvfTXfBxrj3d5E/jKQvVj4YpdjYY0td78:1EtnrICSooGSTD5xbX022fjBxrj3

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/5036-39-0x0000000000CA0000-0x0000000000CA9000-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/0x000c000000023b7b-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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	cxaFhI.exe

Executes dropped EXE 1 IoCs

pid	Process
5036	cxaFhI.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	cxaFhI.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	cxaFhI.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	cxaFhI.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	cxaFhI.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	cxaFhI.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	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	cxaFhI.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	cxaFhI.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	cxaFhI.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{1E8F5DDF-3FB3-4332-A4CC-B46FF6E6899A}\chrome_installer.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	cxaFhI.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	cxaFhI.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	cxaFhI.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	cxaFhI.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	cxaFhI.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	cxaFhI.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	cxaFhI.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	cxaFhI.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe	cxaFhI.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cxaFhI.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 404 wrote to memory of 5036	404	2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe	82
PID 404 wrote to memory of 5036	404	2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe	82
PID 404 wrote to memory of 5036	404	2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe	82
PID 5036 wrote to memory of 64	5036	cxaFhI.exe	83
PID 5036 wrote to memory of 64	5036	cxaFhI.exe	83
PID 5036 wrote to memory of 64	5036	cxaFhI.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-08_b3670f2666c0f3ccb9456e0aab00480d_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:404
- C:\Users\Admin\AppData\Local\Temp\cxaFhI.exe
  C:\Users\Admin\AppData\Local\Temp\cxaFhI.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:5036
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\34db281f.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:64

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\124D0EA4.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\34db281f.bat

Filesize
187B

MD5
838f576c3cbeb0462a7e2c73deaf9328

SHA1
8709ee28e6486c82ea3b7459dfcdc22094f01639

SHA256
5fefbb56c788259f7a1ecaabb0903bab8fb3d57ee28cff925ecc985e28756335

SHA512
b592ba7fdcbe552750e1dd70921f49b41b98d863948240522efd422296e63668cd41dc296573bcd3e9f9b1d9274d166cb8753e3cdb92262cd8c07497c8591e22

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/404-0-0x0000000000400000-0x000000000053D000-memory.dmp

Filesize
1.2MB

Download
memory/404-41-0x0000000000400000-0x000000000053D000-memory.dmp

Filesize
1.2MB

Download
memory/5036-4-0x0000000000CA0000-0x0000000000CA9000-memory.dmp

Filesize
36KB

Download
memory/5036-39-0x0000000000CA0000-0x0000000000CA9000-memory.dmp

Filesize
36KB

Download