bdaejec | fefe097bec3613de6dac2a0af3f2d7e762125681d6e981f33aa3ff98f661baeb

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
31-01-2025 11:23

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General

Target

2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe
Size

65KB
MD5

83ecbff215630ca1c09eb901826fc050
SHA1

4e0c6a56045e465e6ad7770463788c8fdb5af63d
SHA256

fefe097bec3613de6dac2a0af3f2d7e762125681d6e981f33aa3ff98f661baeb
SHA512

3b0eab8983b7877f756d5c704bbd4421777eaab979df8e2bd9c06086282904d64667f05749120d12a1c35374780195fdfdee725043eba52d7b5d2bf5ea5297cc
SSDEEP

768:S5qn4NX7+MbT1y9EG+HOkHmopjtWO3ZCdZP1f8SvnHH5p1QGPL4vzZq2o9W7Gsxl:8qn40x9kOkNpjWZP1Vn5pyGCq2iW7z

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/4064-46-0x00000000007D0000-0x00000000007D9000-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/0x000a000000023b82-3.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-1-5-21-4174397412-4125106315-2776226590-1000\Control Panel\International\Geo\Nation	fcIYYo.exe

Executes dropped EXE 1 IoCs

pid	Process
4064	fcIYYo.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	fcIYYo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	fcIYYo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	fcIYYo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	fcIYYo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	fcIYYo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	fcIYYo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	fcIYYo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	fcIYYo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	fcIYYo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	fcIYYo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	fcIYYo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	fcIYYo.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	fcIYYo.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	fcIYYo.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	fcIYYo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	fcIYYo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	fcIYYo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	fcIYYo.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	fcIYYo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	fcIYYo.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	2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fcIYYo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4292 wrote to memory of 4064	4292	2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe	83
PID 4292 wrote to memory of 4064	4292	2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe	83
PID 4292 wrote to memory of 4064	4292	2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe	83
PID 4064 wrote to memory of 4820	4064	fcIYYo.exe	87
PID 4064 wrote to memory of 4820	4064	fcIYYo.exe	87
PID 4064 wrote to memory of 4820	4064	fcIYYo.exe	87

C:\Users\Admin\AppData\Local\Temp\2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4292
- C:\Users\Admin\AppData\Local\Temp\fcIYYo.exe
  C:\Users\Admin\AppData\Local\Temp\fcIYYo.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:4064
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\74710460.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4820

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\H693S724\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\510A2A55.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\74710460.bat

Filesize
187B

MD5
b3c75ce726047bb87b9ae75e8d9632d0

SHA1
efbf041d9d8779fda32d07553f91d761f0046cda

SHA256
66c5bad9251ca1b5e35b7aa48c8622888b67040704395d8d372106eb4b70bd61

SHA512
4e72cc1d2858120de40e779764cb490495a32ddad76f485d2f7fa6a897e0d147f93b98d98916d3597f234e982ddc73f050e678683a655fe499570e9628107f8a

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

Filesize
15KB

MD5
f7d21de5c4e81341eccd280c11ddcc9a

SHA1
d4e9ef10d7685d491583c6fa93ae5d9105d815bd

SHA256
4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

SHA512
e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

Download Submit
memory/4064-4-0x00000000007D0000-0x00000000007D9000-memory.dmp

Filesize
36KB

Download
memory/4064-46-0x00000000007D0000-0x00000000007D9000-memory.dmp

Filesize
36KB

Download
memory/4292-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/4292-48-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download