bdaejec | 404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374

Analysis

max time kernel
140s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/12/2024, 21:43

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General

Target

404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe
Size

313KB
MD5

2f879e96d834d51e2fc74710a551bca3
SHA1

7ce7d00b86aaab1dc7798b691b91eb8f67f9b7e3
SHA256

404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374
SHA512

521d2be4496996891464e10df1ec099de4309d4a2cd1016b14bd148dbe12516dc2e036d7c45603cd950867f472217fb08ac986c46387d63c085417e0b97c23ef
SSDEEP

6144:7qV54oUeSsMY3j0cI8rdYEylF2EHJ8Sj6vzHrh8wDVU3wMs9ZFWM:7qV5dU7oTWKYEEF5J87vzLh8aVJS

Score

10^/10

bdaejec aspackv2 backdoor discovery upx

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/1324-11-0x0000000000E80000-0x0000000000E89000-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/0x000b000000023b78-4.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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	VfmHoY.exe

Executes dropped EXE 1 IoCs

pid	Process
1324	VfmHoY.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3832-0-0x0000000000400000-0x00000000004D8000-memory.dmp	upx
behavioral2/memory/3832-9-0x0000000000400000-0x00000000004D8000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	VfmHoY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	VfmHoY.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	VfmHoY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	VfmHoY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	VfmHoY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	VfmHoY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	VfmHoY.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	VfmHoY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	VfmHoY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	VfmHoY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	VfmHoY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	VfmHoY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	VfmHoY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	VfmHoY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	VfmHoY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	VfmHoY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	VfmHoY.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	VfmHoY.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	VfmHoY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	VfmHoY.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	VfmHoY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	VfmHoY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	VfmHoY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	VfmHoY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	VfmHoY.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	VfmHoY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	VfmHoY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	VfmHoY.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	404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VfmHoY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script\shell\Open\command	404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script\shell\Open	404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script\shell\Open\command\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe \"%1\""	404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\.pwn	404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script\DefaultIcon	404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script	404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script\DefaultIcon\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe,1"	404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script\shell	404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\PAWN.Script\shell\ = "Open"	404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\.pwn\ = "PAWN.Script"	404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 1324	3832	404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe	83
PID 3832 wrote to memory of 1324	3832	404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe	83
PID 3832 wrote to memory of 1324	3832	404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe	83
PID 1324 wrote to memory of 1496	1324	VfmHoY.exe	101
PID 1324 wrote to memory of 1496	1324	VfmHoY.exe	101
PID 1324 wrote to memory of 1496	1324	VfmHoY.exe	101

C:\Users\Admin\AppData\Local\Temp\404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe
"C:\Users\Admin\AppData\Local\Temp\404fac854040dc353931499a4126f52c1800503ecade5a0dc79e726769306374.exe"
1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3832
- C:\Users\Admin\AppData\Local\Temp\VfmHoY.exe
  C:\Users\Admin\AppData\Local\Temp\VfmHoY.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:1324
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4d537feb.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1496

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\Temp\4d537feb.bat

Filesize
187B

MD5
934a3874e8af804ac2a8d186e6d896af

SHA1
1af4226cae87840be91ed7c81d6de5c2562b4024

SHA256
74e09de8328b794cfb24371b8828974682418f3d9bcfab5773a405aea41648cc

SHA512
b5f9c99959afa7df323b082d4eb65b41d8ed50a564f01ac663d481e848de2d48499bb6c5a5e498bb63648b67f0406192da82adb109ed200ce01a21f3417e1b8c

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1324-5-0x0000000000E80000-0x0000000000E89000-memory.dmp

Filesize
36KB

Download
memory/1324-11-0x0000000000E80000-0x0000000000E89000-memory.dmp

Filesize
36KB

Download
memory/3832-0-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3832-7-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

Filesize
4KB

Download
memory/3832-9-0x0000000000400000-0x00000000004D8000-memory.dmp

Filesize
864KB

Download
memory/3832-12-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

Filesize
4KB

Download