bdaejec | 2a444f6d6c672b051ef24e95516126198fef7bda4dd2789e87d1531eb02d04d9

Analysis

max time kernel
148s
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
25-12-2024 08:54

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General

Target

2a444f6d6c672b051ef24e95516126198fef7bda4dd2789e87d1531eb02d04d9.exe
Size

676KB
MD5

8a7cf6433ebacb67ecd52e5c8f465673
SHA1

8f8971d8d29725a488fb39ea18c01219df9b99d8
SHA256

2a444f6d6c672b051ef24e95516126198fef7bda4dd2789e87d1531eb02d04d9
SHA512

bf6c3f3ff9ab6eb24d0a25f5a0553ce7ba75cb566bd485ddee46c78463b9f395e75b6f54b33f8decefcfdf36d1b51482a9b0db60d6c9cddde6078e6963925da9
SSDEEP

12288:yv0RfBk0ocABJZyzwMnQKLJp+o7sT4SO06jJzR9VCZagskGgEHqhK80N:EyfBk0lqJszjnV93Sa7VIpNGzHqopN

Score

10^/10

bdaejec aspackv2 backdoor discovery persistence upx

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/5112-46-0x0000000000C60000-0x0000000000C69000-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/0x000c000000023b7e-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	kNBcNV.exe

Executes dropped EXE 1 IoCs

pid	Process
5112	kNBcNV.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NeatDM = "C:\\Users\\Admin\\AppData\\Local\\Temp\\2a444f6d6c672b051ef24e95516126198fef7bda4dd2789e87d1531eb02d04d9.exe -autostart"	2a444f6d6c672b051ef24e95516126198fef7bda4dd2789e87d1531eb02d04d9.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1600-0-0x00000000008B0000-0x0000000000A65000-memory.dmp	upx
behavioral2/memory/1600-48-0x00000000008B0000-0x0000000000A65000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	kNBcNV.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	kNBcNV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	kNBcNV.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	kNBcNV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	kNBcNV.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	kNBcNV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	kNBcNV.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	kNBcNV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	kNBcNV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	kNBcNV.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	kNBcNV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	kNBcNV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	kNBcNV.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	kNBcNV.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	kNBcNV.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	kNBcNV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	kNBcNV.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	kNBcNV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	kNBcNV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	kNBcNV.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	kNBcNV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	kNBcNV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	kNBcNV.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	kNBcNV.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	kNBcNV.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	kNBcNV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	kNBcNV.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	2a444f6d6c672b051ef24e95516126198fef7bda4dd2789e87d1531eb02d04d9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kNBcNV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1600	2a444f6d6c672b051ef24e95516126198fef7bda4dd2789e87d1531eb02d04d9.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1600	2a444f6d6c672b051ef24e95516126198fef7bda4dd2789e87d1531eb02d04d9.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 5112	1600	2a444f6d6c672b051ef24e95516126198fef7bda4dd2789e87d1531eb02d04d9.exe	82
PID 1600 wrote to memory of 5112	1600	2a444f6d6c672b051ef24e95516126198fef7bda4dd2789e87d1531eb02d04d9.exe	82
PID 1600 wrote to memory of 5112	1600	2a444f6d6c672b051ef24e95516126198fef7bda4dd2789e87d1531eb02d04d9.exe	82
PID 5112 wrote to memory of 2436	5112	kNBcNV.exe	84
PID 5112 wrote to memory of 2436	5112	kNBcNV.exe	84
PID 5112 wrote to memory of 2436	5112	kNBcNV.exe	84

C:\Users\Admin\AppData\Local\Temp\2a444f6d6c672b051ef24e95516126198fef7bda4dd2789e87d1531eb02d04d9.exe
"C:\Users\Admin\AppData\Local\Temp\2a444f6d6c672b051ef24e95516126198fef7bda4dd2789e87d1531eb02d04d9.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Users\Admin\AppData\Local\Temp\kNBcNV.exe
  C:\Users\Admin\AppData\Local\Temp\kNBcNV.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:5112
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4b9b410a.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2436

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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\M6JHG9EK\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\29507AC0.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\4b9b410a.bat

Filesize
187B

MD5
142bd0b7fe71bf6b20d3232d8d7f920d

SHA1
eab5108e7e1626f22321b4ff770203d08d9fb5c6

SHA256
73675d1644e62cac72039feaf9ce238004b880cf7dbc908fed3d70f4f4341503

SHA512
aef19b8ebca8586aeecda63c318854960a39918dfcee98ea2e3b81236cb8953bfa06d5ad97d19f6cf59e6e83039b1dd3e69c269ce4ef4c5271e28235787be5e6

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1600-0-0x00000000008B0000-0x0000000000A65000-memory.dmp

Filesize
1.7MB

Download
memory/1600-48-0x00000000008B0000-0x0000000000A65000-memory.dmp

Filesize
1.7MB

Download
memory/5112-4-0x0000000000C60000-0x0000000000C69000-memory.dmp

Filesize
36KB

Download
memory/5112-46-0x0000000000C60000-0x0000000000C69000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads