bdaejec | d839638cb3d66a8d895b7504ca3661f88655dd6ce5865fb042969b482d3ab592

Analysis

max time kernel
107s
max time network
108s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/11/2024, 07:05

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General

Target

d839638cb3d66a8d895b7504ca3661f88655dd6ce5865fb042969b482d3ab592N.exe
Size

564KB
MD5

195b8ce8f7a17ffd462f2aee1ac71e20
SHA1

888a84087ec89834fec78b656c9cb40a4de40e4f
SHA256

d839638cb3d66a8d895b7504ca3661f88655dd6ce5865fb042969b482d3ab592
SHA512

9c1feeeb641413ecb4f184e252b4e8e7a379c9620672c7badf121e6220497a5015b85210dd13a0944fe7cdda92b4cb8c482913c7c09ed0b85fe8bd7da4a22bb2
SSDEEP

6144:TNUWRXniv2DEK+OHuFQVUeso7qWAzYHLnI7: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/1740-6-0x0000000000010000-0x0000000000019000-memory.dmp	family_bdaejec_backdoor
behavioral2/memory/1740-46-0x0000000000010000-0x0000000000019000-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/0x000d000000023c87-3.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	APfpRt.exe

Executes dropped EXE 1 IoCs

pid	Process
1740	APfpRt.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	APfpRt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	APfpRt.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	APfpRt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	APfpRt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	APfpRt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	APfpRt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	APfpRt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	APfpRt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	APfpRt.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	APfpRt.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	APfpRt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	APfpRt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	APfpRt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	APfpRt.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	APfpRt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	APfpRt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	APfpRt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	APfpRt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	APfpRt.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	APfpRt.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	APfpRt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	APfpRt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	APfpRt.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	APfpRt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	APfpRt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	APfpRt.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	APfpRt.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	APfpRt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	APfpRt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	APfpRt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	APfpRt.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	APfpRt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	APfpRt.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	APfpRt.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	APfpRt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	APfpRt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	APfpRt.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	APfpRt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	APfpRt.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	APfpRt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	APfpRt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	APfpRt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	APfpRt.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	APfpRt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	APfpRt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	APfpRt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	APfpRt.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	d839638cb3d66a8d895b7504ca3661f88655dd6ce5865fb042969b482d3ab592N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	APfpRt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3100 wrote to memory of 1740	3100	d839638cb3d66a8d895b7504ca3661f88655dd6ce5865fb042969b482d3ab592N.exe	85
PID 3100 wrote to memory of 1740	3100	d839638cb3d66a8d895b7504ca3661f88655dd6ce5865fb042969b482d3ab592N.exe	85
PID 3100 wrote to memory of 1740	3100	d839638cb3d66a8d895b7504ca3661f88655dd6ce5865fb042969b482d3ab592N.exe	85
PID 1740 wrote to memory of 3184	1740	APfpRt.exe	89
PID 1740 wrote to memory of 3184	1740	APfpRt.exe	89
PID 1740 wrote to memory of 3184	1740	APfpRt.exe	89

C:\Users\Admin\AppData\Local\Temp\d839638cb3d66a8d895b7504ca3661f88655dd6ce5865fb042969b482d3ab592N.exe
"C:\Users\Admin\AppData\Local\Temp\d839638cb3d66a8d895b7504ca3661f88655dd6ce5865fb042969b482d3ab592N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3100
- C:\Users\Admin\AppData\Local\Temp\APfpRt.exe
  C:\Users\Admin\AppData\Local\Temp\APfpRt.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:1740
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4cd22858.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3184

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\Microsoft\Windows\INetCache\IE\8R55UT9S\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\02451857.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\4cd22858.bat

Filesize
187B

MD5
5a60c50784af400b1bde14a952d4a5a1

SHA1
9abef4883b16a946571217eab743b31795aeaf62

SHA256
90238b01bb11bf9610a68d6a3b235aab634b661b1a5d2d35ec1b5c8e538b028b

SHA512
5cb16319cba189c01a858b6184a9050f5de248cb2ad245756be0d02f7f324f5bd9f814179af22757d9c4c470347596a483c54216fc0defcd8c9dac7de39efd3e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1740-6-0x0000000000010000-0x0000000000019000-memory.dmp

Filesize
36KB

Download
memory/1740-46-0x0000000000010000-0x0000000000019000-memory.dmp

Filesize
36KB

Download
memory/3100-5-0x0000000000A20000-0x0000000006328000-memory.dmp

Filesize
89.0MB

Download
memory/3100-48-0x0000000000A20000-0x0000000006328000-memory.dmp

Filesize
89.0MB

Download