bdaejec | 6c7f440be78773d3f4f50a09c83eded8c5f907a24bdf7b71b7076052d4997105

Analysis

max time kernel
107s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-11-2024 12:13

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General

Target

6c7f440be78773d3f4f50a09c83eded8c5f907a24bdf7b71b7076052d4997105N.exe
Size

564KB
MD5

6ec293421f725398cd83231ee1243300
SHA1

7b04dc62f6a49c95b767d8964681d7b1cf1a2ad8
SHA256

6c7f440be78773d3f4f50a09c83eded8c5f907a24bdf7b71b7076052d4997105
SHA512

0a91d7874eac156cfe3d3cc7d209b57beb99cb81bc506000321b3c69c0c0152240e7c6bbd4dd5370b1683cf3c72bf4f9797b0e66a484d25d9b1c21c3e95599fe
SSDEEP

6144:TNUWRXniv2DEK+OHuFQVUeso7qWAzYHLnIT:TNXtniv2gK+OHuFQVUesoqzYHLn

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. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/2252-13-0x0000000000A20000-0x0000000000A29000-memory.dmp	family_bdaejec_backdoor
behavioral2/memory/2252-46-0x0000000000A20000-0x0000000000A29000-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/0x000a000000023c12-2.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	eVYUGfn.exe

Executes dropped EXE 1 IoCs

pid	Process
2252	eVYUGfn.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	eVYUGfn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	eVYUGfn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	eVYUGfn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	eVYUGfn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	eVYUGfn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	eVYUGfn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	eVYUGfn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	eVYUGfn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	eVYUGfn.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	eVYUGfn.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	eVYUGfn.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	eVYUGfn.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	eVYUGfn.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	eVYUGfn.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	eVYUGfn.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	eVYUGfn.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	6c7f440be78773d3f4f50a09c83eded8c5f907a24bdf7b71b7076052d4997105N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eVYUGfn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4040 wrote to memory of 2252	4040	6c7f440be78773d3f4f50a09c83eded8c5f907a24bdf7b71b7076052d4997105N.exe	85
PID 4040 wrote to memory of 2252	4040	6c7f440be78773d3f4f50a09c83eded8c5f907a24bdf7b71b7076052d4997105N.exe	85
PID 4040 wrote to memory of 2252	4040	6c7f440be78773d3f4f50a09c83eded8c5f907a24bdf7b71b7076052d4997105N.exe	85
PID 2252 wrote to memory of 4628	2252	eVYUGfn.exe	93
PID 2252 wrote to memory of 4628	2252	eVYUGfn.exe	93
PID 2252 wrote to memory of 4628	2252	eVYUGfn.exe	93

C:\Users\Admin\AppData\Local\Temp\6c7f440be78773d3f4f50a09c83eded8c5f907a24bdf7b71b7076052d4997105N.exe
"C:\Users\Admin\AppData\Local\Temp\6c7f440be78773d3f4f50a09c83eded8c5f907a24bdf7b71b7076052d4997105N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4040
- C:\Users\Admin\AppData\Local\Temp\eVYUGfn.exe
  C:\Users\Admin\AppData\Local\Temp\eVYUGfn.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:2252
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\18115b44.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4628

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\0BHOTC3C\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\18115b44.bat

Filesize
189B

MD5
c8c87801554e4249e34cd8a1d8bb58f5

SHA1
2066bd0294163e49eaa8807fc137cf27cdae6d44

SHA256
4a336c2213b5b9e2297b6674fa273237e4068be0769abf6cc600d3091514d19c

SHA512
290174637dfc4095506713e7bbe192c97403e68422e536a1f75a17d8c80c2d877ec20b1590f30b7607c75628b9422b1b6f27f2bb10cc70fd8b7cb37e11a35d8d

Download Submit
C:\Users\Admin\AppData\Local\Temp\441373D8.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2252-13-0x0000000000A20000-0x0000000000A29000-memory.dmp

Filesize
36KB

Download
memory/2252-46-0x0000000000A20000-0x0000000000A29000-memory.dmp

Filesize
36KB

Download
memory/4040-12-0x00000000008C0000-0x00000000061C8000-memory.dmp

Filesize
89.0MB

Download
memory/4040-48-0x00000000008C0000-0x00000000061C8000-memory.dmp

Filesize
89.0MB

Download