bdaejec | ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854

Analysis

max time kernel
129s
max time network
148s
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 17:52

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General

Target

ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe
Size

510KB
MD5

f786dd4800f09abe67a76b18fe7a482d
SHA1

a8afd8254553f6394f79ffe28280143e7cfa19e3
SHA256

ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854
SHA512

353609aef28d65f34a2c06eb9c72122123084c0fc9b8bed2708f8c4202ade1c7c355b27ac22b35f20ae496f46d242dd0ab17ebe4b35a9b4d8c70dcb703044253
SSDEEP

12288:deO4ivVb83+hs/c8NViqI4+EiZVeRrs7ngjK8JxddvxDcMGk4J2M0Tf:L4Wdhs/tmV4+EjXKsgMGk4J/0Tf

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/1724-8-0x0000000000010000-0x0000000000019000-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/0x000c000000023bb1-3.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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	qSzcQM.exe

Executes dropped EXE 1 IoCs

pid	Process
1724	qSzcQM.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	qSzcQM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	qSzcQM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	qSzcQM.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	qSzcQM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	qSzcQM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	qSzcQM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	qSzcQM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	qSzcQM.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	qSzcQM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	qSzcQM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{1E8F5DDF-3FB3-4332-A4CC-B46FF6E6899A}\chrome_installer.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	qSzcQM.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	qSzcQM.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	qSzcQM.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	qSzcQM.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	qSzcQM.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	qSzcQM.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	qSzcQM.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	qSzcQM.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	ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qSzcQM.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5076 wrote to memory of 1724	5076	ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe	84
PID 5076 wrote to memory of 1724	5076	ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe	84
PID 5076 wrote to memory of 1724	5076	ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe	84
PID 1724 wrote to memory of 1016	1724	qSzcQM.exe	94
PID 1724 wrote to memory of 1016	1724	qSzcQM.exe	94
PID 1724 wrote to memory of 1016	1724	qSzcQM.exe	94

C:\Users\Admin\AppData\Local\Temp\ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe
"C:\Users\Admin\AppData\Local\Temp\ec4eb4f1f018d18e8e143e35fd930793ce43ba7f7336ac3dd529b715cd881854.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5076
- C:\Users\Admin\AppData\Local\Temp\qSzcQM.exe
  C:\Users\Admin\AppData\Local\Temp\qSzcQM.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:1724
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5fe562c7.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1016

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\5fe562c7.bat

Filesize
187B

MD5
41aec986bd6ac9c95eab4a6aea38a0bf

SHA1
8d47b8c5dbaafbd3d7f1bf422a3ffe1e3d2e7efc

SHA256
2de44e5c334978c861ca3a2695591044845b3f2efb08c4457e0105f4c8c2d521

SHA512
aa8c673b8daeb947b015b9450b173930213c3aa1a01d8aff2d802356d45a837fa9cd254e6a3500201ff6826520471bdc51fe83caeaaaccec8322f6f10bf622c6

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1724-4-0x0000000000010000-0x0000000000019000-memory.dmp

Filesize
36KB

Download
memory/1724-8-0x0000000000010000-0x0000000000019000-memory.dmp

Filesize
36KB

Download
memory/5076-0-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download
memory/5076-7-0x0000000000400000-0x0000000000486000-memory.dmp

Filesize
536KB

Download