bdaejec | f55d9642a4cba912db5a1cb5ce32ed25efbde5d9a0f10fb7f4e35c168ff7d7e7

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
23-01-2025 21:58

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General

Target

f55d9642a4cba912db5a1cb5ce32ed25efbde5d9a0f10fb7f4e35c168ff7d7e7.exe
Size

205KB
MD5

3d14fd9ba9ec33dadf746226f7fa7223
SHA1

59ef001b9a2145a35694df0ce1e7728db79b1bb1
SHA256

f55d9642a4cba912db5a1cb5ce32ed25efbde5d9a0f10fb7f4e35c168ff7d7e7
SHA512

2071e4674e0617388b284492e27d55c901ccd26374a7a9a1edd1c691e80f999103624e054221807a266d5324aac284c40b87bdbb8f690503015d91958fc8cdeb
SSDEEP

3072:SJ3LOtoXrqdWoX8ib8qzsrEULieF8B6uRMEc7ly5NsZQIGCHG:SZgyrqdWjibwrEULieF66u/40se1N

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/4600-45-0x0000000000B60000-0x0000000000B69000-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/0x000c000000023b59-3.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	LAVfrD.exe

Executes dropped EXE 1 IoCs

pid	Process
4600	LAVfrD.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	LAVfrD.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	LAVfrD.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	LAVfrD.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	LAVfrD.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	LAVfrD.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	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	LAVfrD.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	LAVfrD.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	LAVfrD.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	LAVfrD.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	LAVfrD.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	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	LAVfrD.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	LAVfrD.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	LAVfrD.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	LAVfrD.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	LAVfrD.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 4 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	f55d9642a4cba912db5a1cb5ce32ed25efbde5d9a0f10fb7f4e35c168ff7d7e7.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LAVfrD.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regedit.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Runs .reg file with regedit 1 IoCs

pid	Process
208	regedit.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 4264 wrote to memory of 4600	4264	f55d9642a4cba912db5a1cb5ce32ed25efbde5d9a0f10fb7f4e35c168ff7d7e7.exe	83
PID 4264 wrote to memory of 4600	4264	f55d9642a4cba912db5a1cb5ce32ed25efbde5d9a0f10fb7f4e35c168ff7d7e7.exe	83
PID 4264 wrote to memory of 4600	4264	f55d9642a4cba912db5a1cb5ce32ed25efbde5d9a0f10fb7f4e35c168ff7d7e7.exe	83
PID 4264 wrote to memory of 208	4264	f55d9642a4cba912db5a1cb5ce32ed25efbde5d9a0f10fb7f4e35c168ff7d7e7.exe	84
PID 4264 wrote to memory of 208	4264	f55d9642a4cba912db5a1cb5ce32ed25efbde5d9a0f10fb7f4e35c168ff7d7e7.exe	84
PID 4264 wrote to memory of 208	4264	f55d9642a4cba912db5a1cb5ce32ed25efbde5d9a0f10fb7f4e35c168ff7d7e7.exe	84
PID 4600 wrote to memory of 540	4600	LAVfrD.exe	85
PID 4600 wrote to memory of 540	4600	LAVfrD.exe	85
PID 4600 wrote to memory of 540	4600	LAVfrD.exe	85

C:\Users\Admin\AppData\Local\Temp\f55d9642a4cba912db5a1cb5ce32ed25efbde5d9a0f10fb7f4e35c168ff7d7e7.exe
"C:\Users\Admin\AppData\Local\Temp\f55d9642a4cba912db5a1cb5ce32ed25efbde5d9a0f10fb7f4e35c168ff7d7e7.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4264
- C:\Users\Admin\AppData\Local\Temp\LAVfrD.exe
  C:\Users\Admin\AppData\Local\Temp\LAVfrD.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:4600
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2a372c28.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:540
- C:\Windows\SysWOW64\regedit.exe
  C:\Windows\regedit.exe /s "C:\Users\Admin\AppData\Local\Temp\config.reg"
  2⤵
  - System Location Discovery: System Language Discovery
  - Runs .reg file with regedit
  PID:208

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\0GUUC90F\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\2a372c28.bat

Filesize
187B

MD5
214fed8bac00073097863fd343d44d1e

SHA1
da53549df9f8b47f863cf7076424261fdd373905

SHA256
0ed6b378c9f9883c819d9a3b30c4f9d34ca93c67188fe66c92875da04105120c

SHA512
c72057e2862f4a5d059badaf5584af3286333ed657f414b6666772889cfa4ff0b5734c764605538183451ad6ba66ce9b4aa3e790634520e4b2500537194d35fb

Download Submit
C:\Users\Admin\AppData\Local\Temp\400D5A17.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/4264-0-0x0000000000CA0000-0x0000000000CDA000-memory.dmp

Filesize
232KB

Download
memory/4264-47-0x0000000000CA0000-0x0000000000CDA000-memory.dmp

Filesize
232KB

Download
memory/4600-4-0x0000000000B60000-0x0000000000B69000-memory.dmp

Filesize
36KB

Download
memory/4600-45-0x0000000000B60000-0x0000000000B69000-memory.dmp

Filesize
36KB

Download