bdaejec | 7bf58530345f0e76e71f89d899ecf5cbdc7a53086bb57bd4f4335fd66a81dd82

Analysis

max time kernel
106s
max time network
101s
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 21:30

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General

Target

7bf58530345f0e76e71f89d899ecf5cbdc7a53086bb57bd4f4335fd66a81dd82N.exe
Size

96KB
MD5

b1ae62e31bfc8ffcd79ebf8d6ff29170
SHA1

3ded17d8e991b9d45e8cbc660000e94b351f6263
SHA256

7bf58530345f0e76e71f89d899ecf5cbdc7a53086bb57bd4f4335fd66a81dd82
SHA512

9ba4a044c71d5eb1f25f471c79c1e94953b85414e213fcc908035eb9cd9d56856b5f2ea9fc8d01c78d32119fa9131e0c4cb6a03ef0f6ed5e3a7d7ce0f91bf10c
SSDEEP

1536:MqPjvlpp/06w6Px9+3cu9V+gKbbGCq2iW7z:MqPL1/7w6ZAs+VBKXGCH

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/4576-8-0x0000000000450000-0x0000000000459000-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/0x000c000000023b10-3.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	LOQHSY.exe

Executes dropped EXE 1 IoCs

pid	Process
4576	LOQHSY.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	LOQHSY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	LOQHSY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	LOQHSY.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	LOQHSY.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	LOQHSY.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	LOQHSY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	LOQHSY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	LOQHSY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	LOQHSY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	LOQHSY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	LOQHSY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	LOQHSY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	LOQHSY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	LOQHSY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	LOQHSY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	LOQHSY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	LOQHSY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	LOQHSY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	LOQHSY.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	LOQHSY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	LOQHSY.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	LOQHSY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	LOQHSY.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	LOQHSY.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	LOQHSY.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	LOQHSY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7bf58530345f0e76e71f89d899ecf5cbdc7a53086bb57bd4f4335fd66a81dd82N.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1084 wrote to memory of 4576	1084	7bf58530345f0e76e71f89d899ecf5cbdc7a53086bb57bd4f4335fd66a81dd82N.exe	82
PID 1084 wrote to memory of 4576	1084	7bf58530345f0e76e71f89d899ecf5cbdc7a53086bb57bd4f4335fd66a81dd82N.exe	82
PID 1084 wrote to memory of 4576	1084	7bf58530345f0e76e71f89d899ecf5cbdc7a53086bb57bd4f4335fd66a81dd82N.exe	82
PID 4576 wrote to memory of 3056	4576	LOQHSY.exe	92
PID 4576 wrote to memory of 3056	4576	LOQHSY.exe	92
PID 4576 wrote to memory of 3056	4576	LOQHSY.exe	92

C:\Users\Admin\AppData\Local\Temp\7bf58530345f0e76e71f89d899ecf5cbdc7a53086bb57bd4f4335fd66a81dd82N.exe
"C:\Users\Admin\AppData\Local\Temp\7bf58530345f0e76e71f89d899ecf5cbdc7a53086bb57bd4f4335fd66a81dd82N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1084
- C:\Users\Admin\AppData\Local\Temp\LOQHSY.exe
  C:\Users\Admin\AppData\Local\Temp\LOQHSY.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:4576
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2eac3396.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3056

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\2eac3396.bat

Filesize
187B

MD5
c00868eaf1541a27e9fbe202a29f7dfb

SHA1
2401dd098df4a0f3ec80cd0bea5a360ad2097bec

SHA256
8245a24aa6a7218a392c591078eb3714c8f7b6995217c1596fe3d338c97aef6d

SHA512
f8c4193704fdf631063f4775b79de8d424ffe15c3a965d5eb5ec5bd7c012ddcbdbf583477e38fd7e712906dbda3203e7230959701f7c829666eb1ee67c579fda

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1084-0-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/1084-7-0x0000000000400000-0x000000000041A000-memory.dmp

Filesize
104KB

Download
memory/4576-5-0x0000000000450000-0x0000000000459000-memory.dmp

Filesize
36KB

Download
memory/4576-8-0x0000000000450000-0x0000000000459000-memory.dmp

Filesize
36KB

Download