bdaejec | 2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea

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
28-12-2024 17:56

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General

Target

2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe
Size

12.0MB
MD5

5bfe382610f379f0cbbcd6a8cf666171
SHA1

5080e009ea40a254e1ac5b8c72d56d88440cc6b4
SHA256

2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea
SHA512

e9ab9b9831be945bbe72b1fc1a973a323f8879be9371453a07167fc1cae1c7aae568fc1b5448db00bd6fb186a52aa595b324773def1737e8211553119ddf3f80
SSDEEP

49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+zsFTCTMqQ:s/KU9/pyJx9Y5elQ0T

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. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/2920-6-0x0000000000450000-0x0000000000459000-memory.dmp	family_bdaejec_backdoor
behavioral2/memory/2920-10-0x0000000000450000-0x0000000000459000-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/0x000c000000023b7e-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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	cJvWTo.exe

Executes dropped EXE 1 IoCs

pid	Process
2920	cJvWTo.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	cJvWTo.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	cJvWTo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	cJvWTo.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	cJvWTo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	cJvWTo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	cJvWTo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	cJvWTo.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{1D4B5551-822C-42C0-B673-53AB80587853}\chrome_installer.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	cJvWTo.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	cJvWTo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	cJvWTo.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	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cJvWTo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1648	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1648	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe
1648	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe
1648	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1648 wrote to memory of 2920	1648	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe	82
PID 1648 wrote to memory of 2920	1648	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe	82
PID 1648 wrote to memory of 2920	1648	2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe	82
PID 2920 wrote to memory of 5040	2920	cJvWTo.exe	100
PID 2920 wrote to memory of 5040	2920	cJvWTo.exe	100
PID 2920 wrote to memory of 5040	2920	cJvWTo.exe	100

C:\Users\Admin\AppData\Local\Temp\2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe
"C:\Users\Admin\AppData\Local\Temp\2257cc7523dd8efc5487b6179a00f5e3a372c58930441e50ddab7c5c0bf9b9ea.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1648
- C:\Users\Admin\AppData\Local\Temp\cJvWTo.exe
  C:\Users\Admin\AppData\Local\Temp\cJvWTo.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:2920
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\78c45f0a.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5040

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\78c45f0a.bat

Filesize
187B

MD5
38f140e394362fb7088755a4af54327b

SHA1
90fb9cfab65229dfa1db69c9d6302b2c94a28798

SHA256
29956720e8e220c7f4e7955254bb588f55b3d8e04f4e1d0888c164b0a1d47b93

SHA512
ca1a0e43873909838e506bdafeb77e88ff4b4ef525cffe3d94b96b2f753d55e19e33fc5c821f98283c04f7360eee87668c0242ef1a9e7ca0e759b83227a865b8

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1648-5-0x0000000000030000-0x0000000000C91000-memory.dmp

Filesize
12.4MB

Download
memory/1648-8-0x00000000034A0000-0x00000000035A0000-memory.dmp

Filesize
1024KB

Download
memory/1648-9-0x0000000000030000-0x0000000000C91000-memory.dmp

Filesize
12.4MB

Download
memory/1648-11-0x00000000034A0000-0x00000000035A0000-memory.dmp

Filesize
1024KB

Download
memory/2920-6-0x0000000000450000-0x0000000000459000-memory.dmp

Filesize
36KB

Download
memory/2920-10-0x0000000000450000-0x0000000000459000-memory.dmp

Filesize
36KB

Download