bdaejec | 681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341

Analysis

max time kernel
95s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20250211-en
resource tags

arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
submitted
16-02-2025 11:41

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General

Target

681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe
Size

78KB
MD5

6122a31aa5435b471cac17140ced898c
SHA1

be323d2bd712dce4a3915430eb6bd056f163d432
SHA256

681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341
SHA512

70320e258e521129922aa642ca587c99f9dfc5671de859810e4fdff94f576a72128338c959fb1dcde7cbe34fbe5926898c77e914e1a90e46f968e1a89f23a18a
SSDEEP

768:Uwckfpik6qYXy7dMkIwzsWUHUpOCdoR+vMiHfdOa5IQGPL4vzZq2o9W7GsxBbPr+:xFfh7dGs3wqOCSR6Mesa5DGCq2iW7zq

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/4928-16-0x00000000006A0000-0x00000000006A9000-memory.dmp	family_bdaejec_backdoor

Downloads MZ/PE file 1 IoCs

flow	pid	Process
41	2892	Process not Found

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000c000000023b36-3.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-1-5-21-2508704002-2325818048-3575902788-1000\Control Panel\International\Geo\Nation	IcHnJr.exe

Executes dropped EXE 1 IoCs

pid	Process
4928	IcHnJr.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	IcHnJr.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	IcHnJr.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	IcHnJr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	IcHnJr.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	IcHnJr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	IcHnJr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	IcHnJr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	IcHnJr.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	IcHnJr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	IcHnJr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	IcHnJr.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 4 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	681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	IcHnJr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4256	MicrosoftEdgeUpdate.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1940	681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe
1940	681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1940 wrote to memory of 4928	1940	681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe	88
PID 1940 wrote to memory of 4928	1940	681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe	88
PID 1940 wrote to memory of 4928	1940	681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe	88
PID 4928 wrote to memory of 3240	4928	IcHnJr.exe	104
PID 4928 wrote to memory of 3240	4928	IcHnJr.exe	104
PID 4928 wrote to memory of 3240	4928	IcHnJr.exe	104

C:\Users\Admin\AppData\Local\Temp\681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe
"C:\Users\Admin\AppData\Local\Temp\681af3b0818450b479cfa7067c934287bbd468015ee37617bcba0f3180097341.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1940
- C:\Users\Admin\AppData\Local\Temp\IcHnJr.exe
  C:\Users\Admin\AppData\Local\Temp\IcHnJr.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:4928
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5dcd79ab.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3240

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSI0IiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMyMzYiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDI1MTE0ODAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI1MDc5MjAyODUwIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4256

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

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\474E796A.exe

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\474E796A.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\5dcd79ab.bat

Filesize
187B

MD5
f81e1ca6dc5d9128ecdf441921a85ca3

SHA1
b99f769909a686a690bc40e4ee0edcc1e3e06d8f

SHA256
7ad80d88608f1b6771f6dcf3ff5f1f746c13370926e6912d1ddf3ffbf9118500

SHA512
cae9b4f7d2c0f8a9bdae494133bac2f2824de18f0f746b5dd0b7fc8551c7fa900365b5b6f750b0c6056c6a35564d3dfa7eb2fca7f30fdf3b396db6351695e8b1

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1940-0-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/1940-14-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4928-5-0x00000000006A0000-0x00000000006A9000-memory.dmp

Filesize
36KB

Download
memory/4928-16-0x00000000006A0000-0x00000000006A9000-memory.dmp

Filesize
36KB

Download