bdaejec | 45c750869e31ed836f892cb85fe2d968146a3ae10261f1e28cef8e61b8265f55

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
29-12-2024 02:16

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General

Target

45c750869e31ed836f892cb85fe2d968146a3ae10261f1e28cef8e61b8265f55.exe
Size

80KB
MD5

8da10c130681fd03a6b64ad9a827a433
SHA1

55be25e240ff1eebca02e9db0f9cec91f03729c3
SHA256

45c750869e31ed836f892cb85fe2d968146a3ae10261f1e28cef8e61b8265f55
SHA512

8e86e44b229c5d0b9014997f19f4f27f3aebed36d4566a8c7705e29b525ca6cfc67546ee9759c190c44ae1d3da13bd371b5fce21ffb4e2c9469b3f9b0dc603dc
SSDEEP

1536:Yg/6/tM8NXDjPX0QWlfGMckTQK0GCq2iW7z:Hk3U8kTQTGCH

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/4752-46-0x0000000000630000-0x0000000000639000-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/0x000c000000023b42-3.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	IivJTsFD.exe

Executes dropped EXE 1 IoCs

pid	Process
4752	IivJTsFD.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	IivJTsFD.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	IivJTsFD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	IivJTsFD.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	IivJTsFD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	IivJTsFD.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	IivJTsFD.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	IivJTsFD.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	IivJTsFD.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	IivJTsFD.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	IivJTsFD.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	IivJTsFD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	IivJTsFD.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	IivJTsFD.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	IivJTsFD.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	IivJTsFD.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	45c750869e31ed836f892cb85fe2d968146a3ae10261f1e28cef8e61b8265f55.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IivJTsFD.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1644 wrote to memory of 4752	1644	45c750869e31ed836f892cb85fe2d968146a3ae10261f1e28cef8e61b8265f55.exe	82
PID 1644 wrote to memory of 4752	1644	45c750869e31ed836f892cb85fe2d968146a3ae10261f1e28cef8e61b8265f55.exe	82
PID 1644 wrote to memory of 4752	1644	45c750869e31ed836f892cb85fe2d968146a3ae10261f1e28cef8e61b8265f55.exe	82
PID 4752 wrote to memory of 4884	4752	IivJTsFD.exe	83
PID 4752 wrote to memory of 4884	4752	IivJTsFD.exe	83
PID 4752 wrote to memory of 4884	4752	IivJTsFD.exe	83

C:\Users\Admin\AppData\Local\Temp\45c750869e31ed836f892cb85fe2d968146a3ae10261f1e28cef8e61b8265f55.exe
"C:\Users\Admin\AppData\Local\Temp\45c750869e31ed836f892cb85fe2d968146a3ae10261f1e28cef8e61b8265f55.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1644
- C:\Users\Admin\AppData\Local\Temp\IivJTsFD.exe
  C:\Users\Admin\AppData\Local\Temp\IivJTsFD.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:4752
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7a204d0d.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4884

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\P2UT3MS5\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0F84369F.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\7a204d0d.bat

Filesize
191B

MD5
543fa58f5f6e84a2741ec37e9893f893

SHA1
3d3e3730b7474c51c3702677691a2cc7ac8ec315

SHA256
d99bd4d067c297d693353af48d6034584b8ee1d589e8143d1d6cc3ed02bed1ec

SHA512
cca014860a0fef6ddd47d43cc6cf83c2c3d9245b32552342f5ddfccd466d1955ccc7f4998d01771ee639997308131d1046627efc9e63c77512323f35c315f80d

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1644-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1644-6-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4752-5-0x0000000000630000-0x0000000000639000-memory.dmp

Filesize
36KB

Download
memory/4752-46-0x0000000000630000-0x0000000000639000-memory.dmp

Filesize
36KB

Download