bdaejec | b4cdb504d14c40c80fa50cf91d0a31fc8704c6b3b3094787f6212de68f825e17

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 05:22

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General

Target

2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe
Size

80KB
MD5

1740e64ebb1afb1af335ae7bbcd4d8e9
SHA1

8400cacafe2e1165e2960e5afb49b51f4cef0b32
SHA256

b4cdb504d14c40c80fa50cf91d0a31fc8704c6b3b3094787f6212de68f825e17
SHA512

350700d9c589e9d6797e5d3293446489dc461aec009e8586ec590ec1ce66110e25e868309640c2cc28f5e5376fce4d05364f1105270dfe8b45dfe2297630df8f
SSDEEP

1536:Yg/6/tM8NXDjPX0QWlfGMckTQ7qGCq2iW7z:Hk3U8kTQmGCH

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/2596-47-0x0000000000910000-0x0000000000919000-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/0x000a000000023c07-5.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	BfEyqm.exe

Executes dropped EXE 1 IoCs

pid	Process
2596	BfEyqm.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	BfEyqm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	BfEyqm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	BfEyqm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	BfEyqm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	BfEyqm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	BfEyqm.exe
File opened for modification	C:\Program Files\DisconnectRename.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	BfEyqm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	BfEyqm.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	BfEyqm.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	BfEyqm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	BfEyqm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	BfEyqm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	BfEyqm.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	BfEyqm.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	2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BfEyqm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 2596	3016	2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe	83
PID 3016 wrote to memory of 2596	3016	2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe	83
PID 3016 wrote to memory of 2596	3016	2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe	83
PID 2596 wrote to memory of 460	2596	BfEyqm.exe	84
PID 2596 wrote to memory of 460	2596	BfEyqm.exe	84
PID 2596 wrote to memory of 460	2596	BfEyqm.exe	84

C:\Users\Admin\AppData\Local\Temp\2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Users\Admin\AppData\Local\Temp\BfEyqm.exe
  C:\Users\Admin\AppData\Local\Temp\BfEyqm.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:2596
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\422f2bef.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:460

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\1C6775F9.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\422f2bef.bat

Filesize
187B

MD5
e8fc0460d1279a7761726ab71da86bc5

SHA1
6bfd43da741005073fc885392229b6640c5a5f2b

SHA256
05ab347e81d4f3ad09b05314d96edc05c53c53dc0879383dbfbaa53fe7d2fbe1

SHA512
aa594febb8facd361b1049a0b030cc111c1d0965a61d33d37c041c99315cdaecd50967d2131b316cac03e9f0632a68a31782f1dcd6212f7a5cc73e068e30cb8c

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

Filesize
15KB

MD5
f7d21de5c4e81341eccd280c11ddcc9a

SHA1
d4e9ef10d7685d491583c6fa93ae5d9105d815bd

SHA256
4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

SHA512
e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

Download Submit
memory/2596-4-0x0000000000910000-0x0000000000919000-memory.dmp

Filesize
36KB

Download
memory/2596-47-0x0000000000910000-0x0000000000919000-memory.dmp

Filesize
36KB

Download
memory/3016-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3016-6-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download