bdaejec | ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060

Analysis

max time kernel
103s
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
12-02-2025 14:28

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General

Target

ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.exe
Size

146KB
MD5

ce6b04721edd46ab7b12be3a353d94cb
SHA1

70264211eba8694420f25a0e31722a9442fcfa4c
SHA256

ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060
SHA512

e76aeffb472e04b2ae67bafae5cd2682f068cad498310e0106cb040800bdb6f530c75b1d83283ce9638ad521dfaa9bdca009a8afb1f2b150a2c3888e253a0e9e
SSDEEP

3072:EEO9aq9pOM5nMCGJri8OioDw7LC89IAFF5J7P03xGCHW:EEO9aq97nkll5Vc3kV

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/1228-11-0x0000000000700000-0x0000000000709000-memory.dmp	family_bdaejec_backdoor

Downloads MZ/PE file 2 IoCs

flow	pid	Process
34	3664	Process not Found
53	3544	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/0x000c000000023b3c-4.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	piIRVc.exe

Executes dropped EXE 1 IoCs

pid	Process
1228	piIRVc.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	piIRVc.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	piIRVc.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	piIRVc.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	piIRVc.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	piIRVc.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{BF559B16-53E4-40BE-B7B4-0C7CB6E900BE}\chrome_installer.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	piIRVc.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	piIRVc.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	piIRVc.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	piIRVc.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	piIRVc.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	piIRVc.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	piIRVc.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	piIRVc.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	piIRVc.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	piIRVc.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	piIRVc.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	piIRVc.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	piIRVc.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 5 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	ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	piIRVc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.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
3420	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4720 wrote to memory of 1228	4720	ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.exe	86
PID 4720 wrote to memory of 1228	4720	ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.exe	86
PID 4720 wrote to memory of 1228	4720	ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.exe	86
PID 1228 wrote to memory of 2568	1228	piIRVc.exe	98
PID 1228 wrote to memory of 2568	1228	piIRVc.exe	98
PID 1228 wrote to memory of 2568	1228	piIRVc.exe	98

C:\Users\Admin\AppData\Local\Temp\ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.exe
"C:\Users\Admin\AppData\Local\Temp\ac9f955b869fee9cea9e602d790940589ff9e1f7930e0d4fb6bac8ad20882060.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Users\Admin\AppData\Local\Temp\piIRVc.exe
  C:\Users\Admin\AppData\Local\Temp\piIRVc.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:1228
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7ea104c5.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2568

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ua /installsource core
1⤵
- System Location Discovery: System Language Discovery
PID:3876

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIxIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODMyMzYiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NDI1MTE0ODAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0NzM5NzcwNDYxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3420

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:\ProgramData\Microsoft\EdgeUpdate\Log\MicrosoftEdgeUpdate.log

Filesize
360KB

MD5
8b6c53d95051d9771056b73a3011cfd9

SHA1
ec81564a51553050f8382e6dee0bae89fe7d4e89

SHA256
ebfa608d01249a09869af5ab8b360a2d583c20f20e10b1bcbd89dd1f447f4ab7

SHA512
baaf74447f295d547ea269bcfd77a79931222ee33e9287cbc14d4c9b88534f9fa26efbc5e5664eb5f3c68771a08e498d0a0dbe8315eda79838d922afa78f9740

Download Submit
C:\Users\Admin\AppData\Local\Temp\7ea104c5.bat

Filesize
187B

MD5
59358b94724fc300721ac79adc849b2f

SHA1
3926755a63978bf04f8f7e7ee0462aa479baa758

SHA256
763be5ef35c5c59c7322ca714c231ccb52e8782a0cf22f6637d2655d19b0aefb

SHA512
bbd66673d27ee39907ff6781bac7875bdc0b244f1caba411285a877f214523a96977ed47784b4ae08994276a5ab3c1344e61fcf4b170dc907c1beb75c8de6797

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1228-5-0x0000000000700000-0x0000000000709000-memory.dmp

Filesize
36KB

Download
memory/1228-11-0x0000000000700000-0x0000000000709000-memory.dmp

Filesize
36KB

Download
memory/4720-0-0x0000000000DA0000-0x0000000000DCA000-memory.dmp

Filesize
168KB

Download
memory/4720-3-0x0000000000DA0000-0x0000000000DCA000-memory.dmp

Filesize
168KB

Download