bdaejec | c41f7ffdda089471c034613a55dec0d374d4aca312d8b3200e7aa6f699fe7e9f

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-01-2025 05:57

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General

Target

c41f7ffdda089471c034613a55dec0d374d4aca312d8b3200e7aa6f699fe7e9fN.exe
Size

205KB
MD5

23c5c9a9d933c554145b8d6ddceca510
SHA1

adec9055aa0b187587c8b097e94237a075ce89e0
SHA256

c41f7ffdda089471c034613a55dec0d374d4aca312d8b3200e7aa6f699fe7e9f
SHA512

a277f91ea1001be0f058afdc8186d6ad86a8c58f8544991fd05354ff0f53033c50dafb19d090f3c75a29444f982c7e87d45e5ed25a1d0ad3cae140db1fe9df70
SSDEEP

3072:SJ3LOtoXrqdWoX8ib8qzsrEULieF8B6uRMEc7ly5NsZQIGCH:SZgyrqdWjibwrEULieF66u/40se1

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/3328-39-0x0000000000450000-0x0000000000459000-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/0x000c000000023b2b-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	LAVfrD.exe

Executes dropped EXE 1 IoCs

pid	Process
3328	LAVfrD.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	LAVfrD.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.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 (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	LAVfrD.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.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\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.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\Mozilla Firefox\maintenanceservice.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\Java\jdk-1.8\bin\jdb.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	LAVfrD.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.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\Java\jdk-1.8\bin\jinfo.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\jdk-1.8\jre\bin\klist.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	LAVfrD.exe
File opened for modification	C:\Program Files\dotnet\dotnet.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\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	LAVfrD.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.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)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.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\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	LAVfrD.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	LAVfrD.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	LAVfrD.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.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\javac.exe	LAVfrD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.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	c41f7ffdda089471c034613a55dec0d374d4aca312d8b3200e7aa6f699fe7e9fN.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
1516	regedit.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2184 wrote to memory of 3328	2184	c41f7ffdda089471c034613a55dec0d374d4aca312d8b3200e7aa6f699fe7e9fN.exe	84
PID 2184 wrote to memory of 3328	2184	c41f7ffdda089471c034613a55dec0d374d4aca312d8b3200e7aa6f699fe7e9fN.exe	84
PID 2184 wrote to memory of 3328	2184	c41f7ffdda089471c034613a55dec0d374d4aca312d8b3200e7aa6f699fe7e9fN.exe	84
PID 2184 wrote to memory of 1516	2184	c41f7ffdda089471c034613a55dec0d374d4aca312d8b3200e7aa6f699fe7e9fN.exe	85
PID 2184 wrote to memory of 1516	2184	c41f7ffdda089471c034613a55dec0d374d4aca312d8b3200e7aa6f699fe7e9fN.exe	85
PID 2184 wrote to memory of 1516	2184	c41f7ffdda089471c034613a55dec0d374d4aca312d8b3200e7aa6f699fe7e9fN.exe	85
PID 3328 wrote to memory of 3512	3328	LAVfrD.exe	87
PID 3328 wrote to memory of 3512	3328	LAVfrD.exe	87
PID 3328 wrote to memory of 3512	3328	LAVfrD.exe	87

C:\Users\Admin\AppData\Local\Temp\c41f7ffdda089471c034613a55dec0d374d4aca312d8b3200e7aa6f699fe7e9fN.exe
"C:\Users\Admin\AppData\Local\Temp\c41f7ffdda089471c034613a55dec0d374d4aca312d8b3200e7aa6f699fe7e9fN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2184
- 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:3328
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\43905c4d.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3512
- 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:1516

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\9MFSIIMR\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\33BC4085.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\43905c4d.bat

Filesize
187B

MD5
1b5610096fb1bcdda1b3a9118bb4f27a

SHA1
90e691dbd9055a90a02567999a6c9a38849c14b4

SHA256
dcbbf17b513dc6690172c1254aa25eecf21a4dfe988b630d074b8657f3497805

SHA512
fea12e7e436fb275258fa19af8a0a438ecefd6cb66cd9692a997278c1871ff88bce407818bf03acd1a138c9390514788f47e9791a7c36d1aefb15e256653f53b

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2184-0-0x0000000000B70000-0x0000000000BAA000-memory.dmp

Filesize
232KB

Download
memory/2184-41-0x0000000000B70000-0x0000000000BAA000-memory.dmp

Filesize
232KB

Download
memory/3328-5-0x0000000000450000-0x0000000000459000-memory.dmp

Filesize
36KB

Download
memory/3328-39-0x0000000000450000-0x0000000000459000-memory.dmp

Filesize
36KB

Download