bdaejec | d29141d2922bd488d3fe3d4697ab0b6524cdfbc996be957027bdba63342a52be

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-11-2024 04:26

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General

Target

d29141d2922bd488d3fe3d4697ab0b6524cdfbc996be957027bdba63342a52be.exe
Size

124KB
MD5

63a7073302793e62fc5549dd6b4c01cb
SHA1

4669bbabb0a1c88ab43562a320ca7359ed823a30
SHA256

d29141d2922bd488d3fe3d4697ab0b6524cdfbc996be957027bdba63342a52be
SHA512

df398dfd3a9b4819aa2df21c4deb54752abed8e47e0921cf94c477f8277045b5322ca6cfee569a1767e341c041affd40f4300911f3b57a199bec9dda0b12649a
SSDEEP

1536:qSZ2lI7gFvjvQCfWjO/3SjeEbZgkBNFj/AOwZgkBNFj/AOnjfGCq2iW7z:zZ2a7mknO/36vmkXFymkXFdjGCH

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/4000-46-0x00000000005D0000-0x00000000005D9000-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/0x000c000000023b25-4.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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	OhzcYg.exe

Executes dropped EXE 1 IoCs

pid	Process
4000	OhzcYg.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	OhzcYg.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	OhzcYg.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	OhzcYg.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	OhzcYg.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	OhzcYg.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	OhzcYg.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	OhzcYg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	OhzcYg.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	OhzcYg.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	OhzcYg.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	OhzcYg.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	OhzcYg.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	OhzcYg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	OhzcYg.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	OhzcYg.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	OhzcYg.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	d29141d2922bd488d3fe3d4697ab0b6524cdfbc996be957027bdba63342a52be.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OhzcYg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2364	d29141d2922bd488d3fe3d4697ab0b6524cdfbc996be957027bdba63342a52be.exe
2364	d29141d2922bd488d3fe3d4697ab0b6524cdfbc996be957027bdba63342a52be.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 4000	2364	d29141d2922bd488d3fe3d4697ab0b6524cdfbc996be957027bdba63342a52be.exe	83
PID 2364 wrote to memory of 4000	2364	d29141d2922bd488d3fe3d4697ab0b6524cdfbc996be957027bdba63342a52be.exe	83
PID 2364 wrote to memory of 4000	2364	d29141d2922bd488d3fe3d4697ab0b6524cdfbc996be957027bdba63342a52be.exe	83
PID 4000 wrote to memory of 2148	4000	OhzcYg.exe	84
PID 4000 wrote to memory of 2148	4000	OhzcYg.exe	84
PID 4000 wrote to memory of 2148	4000	OhzcYg.exe	84

C:\Users\Admin\AppData\Local\Temp\d29141d2922bd488d3fe3d4697ab0b6524cdfbc996be957027bdba63342a52be.exe
"C:\Users\Admin\AppData\Local\Temp\d29141d2922bd488d3fe3d4697ab0b6524cdfbc996be957027bdba63342a52be.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Users\Admin\AppData\Local\Temp\OhzcYg.exe
  C:\Users\Admin\AppData\Local\Temp\OhzcYg.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:4000
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\259259a1.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2148

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\259259a1.bat

Filesize
187B

MD5
6ba94ed19cdf09e23ab62704dae9539e

SHA1
ad60e508a2a8498f10b87d8629fea887fdd4856b

SHA256
d703b4e053e41f924a29f112b46989b3a21d03d853aa24dcd61476d67258c7b0

SHA512
8cba8a67efe05c47e6654014c66a565214a65d3170408c2235ad59cdee5501bd8ac46e2edf54520d5ec84396ce2204e1e61f3cf7ee078c1f090ae842728f2be6

Download Submit
C:\Users\Admin\AppData\Local\Temp\4232382C.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2364-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2364-48-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2364-49-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/4000-5-0x00000000005D0000-0x00000000005D9000-memory.dmp

Filesize
36KB

Download
memory/4000-46-0x00000000005D0000-0x00000000005D9000-memory.dmp

Filesize
36KB

Download