bdaejec | e4506ced555bd0fd679386cdad960b3095fb58f50599c91f2a0ce241496d7a68

Analysis

max time kernel
133s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 22:34

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General

Target

e4506ced555bd0fd679386cdad960b3095fb58f50599c91f2a0ce241496d7a68.exe
Size

96KB
MD5

41c99e820034991e5ef3510d6d4ea592
SHA1

ac65bea1f9ac08797c216337cf3337830907c807
SHA256

e4506ced555bd0fd679386cdad960b3095fb58f50599c91f2a0ce241496d7a68
SHA512

85c2f984b29c81082bc649b332ecfce23d9689aeffba063f8bcc24e3c1ff2170a809c2f306fb1ce6b44a31e227fa87946dd897fca3119c9c89e105701575a72d
SSDEEP

1536:pECLKU4+dwC/p0cQ7ZCAINqPDHuXnvE0oK1PiGCq2iW7zq:pJLrp0cQ7QAINqPDHQnchGCHm

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/1572-15-0x0000000000130000-0x0000000000139000-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/0x000c000000023ba8-3.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	aAFgrKW.exe

Executes dropped EXE 1 IoCs

pid	Process
1572	aAFgrKW.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	aAFgrKW.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	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	aAFgrKW.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	e4506ced555bd0fd679386cdad960b3095fb58f50599c91f2a0ce241496d7a68.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aAFgrKW.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1528 wrote to memory of 1572	1528	e4506ced555bd0fd679386cdad960b3095fb58f50599c91f2a0ce241496d7a68.exe	83
PID 1528 wrote to memory of 1572	1528	e4506ced555bd0fd679386cdad960b3095fb58f50599c91f2a0ce241496d7a68.exe	83
PID 1528 wrote to memory of 1572	1528	e4506ced555bd0fd679386cdad960b3095fb58f50599c91f2a0ce241496d7a68.exe	83
PID 1572 wrote to memory of 5056	1572	aAFgrKW.exe	90
PID 1572 wrote to memory of 5056	1572	aAFgrKW.exe	90
PID 1572 wrote to memory of 5056	1572	aAFgrKW.exe	90

C:\Users\Admin\AppData\Local\Temp\e4506ced555bd0fd679386cdad960b3095fb58f50599c91f2a0ce241496d7a68.exe
"C:\Users\Admin\AppData\Local\Temp\e4506ced555bd0fd679386cdad960b3095fb58f50599c91f2a0ce241496d7a68.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1528
- C:\Users\Admin\AppData\Local\Temp\aAFgrKW.exe
  C:\Users\Admin\AppData\Local\Temp\aAFgrKW.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:1572
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1b3c3f3b.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5056

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\Temp\1b3c3f3b.bat

Filesize
189B

MD5
91fd0d35222080f8e444f107a7d7d6b3

SHA1
0c72d7409adb757725cd297fcff8ab4216d34883

SHA256
6473f06d0d3075519cc83e81977f60feeda58a8d271bab95f1387f749992aff3

SHA512
2d28de147a4118a0c0d83ac781c280e013369d9e238b2668ebf0e7b7614f8146df618807f994d2d2665285bf2621c0fe33a1a128fca168538dbe7a897072f411

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1528-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1528-7-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1572-4-0x0000000000130000-0x0000000000139000-memory.dmp

Filesize
36KB

Download
memory/1572-15-0x0000000000130000-0x0000000000139000-memory.dmp

Filesize
36KB

Download