bdaejec | efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d

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
06-01-2025 12:45

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General

Target

efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe
Size

722KB
MD5

ff865e96d473152228d0d6552c274b6b
SHA1

91341f1ee71b995a41a06f1b6b3f2a172733c25e
SHA256

efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d
SHA512

ab4550ecf2c3aec42305239a1443d79c0f0e693c9675f406fc30bd0f2712bc16cdf4f711a14e051e67b5c9d17c32552052cbb3289182b8edde33fb7c65c2df2f
SSDEEP

12288:YWiB+BQ4mc8fyMVzUzQmbIs8hG06pkMwclhjj41vNJsmHt7zFR9:YWiBeOykzxmbIdPcl+9Ht7zF

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/2472-43-0x00000000000E0000-0x00000000000E9000-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/0x000c000000023b9a-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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	EHWblqwC.exe

Executes dropped EXE 1 IoCs

pid	Process
2472	EHWblqwC.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	EHWblqwC.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	EHWblqwC.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	EHWblqwC.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	EHWblqwC.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	EHWblqwC.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	EHWblqwC.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	efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EHWblqwC.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1052 wrote to memory of 2472	1052	efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe	82
PID 1052 wrote to memory of 2472	1052	efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe	82
PID 1052 wrote to memory of 2472	1052	efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe	82
PID 2472 wrote to memory of 1772	2472	EHWblqwC.exe	83
PID 2472 wrote to memory of 1772	2472	EHWblqwC.exe	83
PID 2472 wrote to memory of 1772	2472	EHWblqwC.exe	83

C:\Users\Admin\AppData\Local\Temp\efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe
"C:\Users\Admin\AppData\Local\Temp\efc06a25024fbbf35a57f15bd9a2cbf36d5706d867fd2433329bb372d316d99d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1052
- C:\Users\Admin\AppData\Local\Temp\EHWblqwC.exe
  C:\Users\Admin\AppData\Local\Temp\EHWblqwC.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:2472
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\0ec43105.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1772

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\PGH3GSHW\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0ec43105.bat

Filesize
191B

MD5
ddc019c96fa38088703c5e42a0ad0d47

SHA1
79b66896372bbd5a49c30eb6db2f21a4a3dea202

SHA256
932ad61261a0300f709c0c04e6db2bd3636c91830a7e947c47be7e16432e2b26

SHA512
ec63dff694e6c0a9194a5d4f281e37e4b096a75fa7a4b193a85400a38d27cbf92121fc7129bee7ee5b2b03b40922b94de92c59881796e704c1ab4c12bd7f9e85

Download Submit
C:\Users\Admin\AppData\Local\Temp\64DE46A6.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1052-0-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/1052-8-0x0000000000B70000-0x0000000000BD7000-memory.dmp

Filesize
412KB

Download
memory/1052-14-0x0000000000B70000-0x0000000000BD7000-memory.dmp

Filesize
412KB

Download
memory/1052-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/2472-4-0x00000000000E0000-0x00000000000E9000-memory.dmp

Filesize
36KB

Download
memory/2472-43-0x00000000000E0000-0x00000000000E9000-memory.dmp

Filesize
36KB

Download