bdaejec | ce435ba894f3737d0abe06180b9114e20d122240fded0685bd63db4a020a7a83

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 19:33

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General

Target

JaffaCakes118_60433a5ba519475e6faa1a4f7210bc20.exe
Size

169KB
MD5

60433a5ba519475e6faa1a4f7210bc20
SHA1

0bafd67adf0969d28ef14d836b7c9e8219c93780
SHA256

ce435ba894f3737d0abe06180b9114e20d122240fded0685bd63db4a020a7a83
SHA512

7d1603ab400ba232c1968cd662af3a705e1313f8d912d52a2a30e40f1fb79bce34a18e98ef38837a936e847b5d8b4e738923d0af4572e7cf77011fd1326a861f
SSDEEP

1536:9I2t937an08bcn6kwOgKhlgvwf+l+OBDY4f2XdR7TPk3BfEBZWEzMNGCq2iW7z:tbadAn67Ogvl+qlKdR7TPk8XWEzQGCH

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/4644-8-0x0000000000900000-0x0000000000909000-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/0x000c000000023b2b-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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	esS.exe

Executes dropped EXE 1 IoCs

pid	Process
4644	esS.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	esS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	esS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	esS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	esS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	esS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	esS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	esS.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	esS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	esS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	esS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	esS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	esS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	esS.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	esS.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	esS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	esS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	esS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	esS.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	esS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	esS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	esS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	esS.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	esS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	esS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	esS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	esS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	esS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	esS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	esS.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	esS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	esS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	esS.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	esS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	esS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	esS.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	esS.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	esS.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	esS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	esS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	esS.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	esS.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	esS.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	esS.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	esS.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	esS.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	esS.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	esS.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	esS.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	esS.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_60433a5ba519475e6faa1a4f7210bc20.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 4644	3764	JaffaCakes118_60433a5ba519475e6faa1a4f7210bc20.exe	83
PID 3764 wrote to memory of 4644	3764	JaffaCakes118_60433a5ba519475e6faa1a4f7210bc20.exe	83
PID 3764 wrote to memory of 4644	3764	JaffaCakes118_60433a5ba519475e6faa1a4f7210bc20.exe	83
PID 4644 wrote to memory of 4380	4644	esS.exe	100
PID 4644 wrote to memory of 4380	4644	esS.exe	100
PID 4644 wrote to memory of 4380	4644	esS.exe	100

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60433a5ba519475e6faa1a4f7210bc20.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_60433a5ba519475e6faa1a4f7210bc20.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3764
- C:\Users\Admin\AppData\Local\Temp\esS.exe
  C:\Users\Admin\AppData\Local\Temp\esS.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:4644
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\102713c4.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4380

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\102713c4.bat

Filesize
181B

MD5
2894268bd2f6776869ee088cfce16a86

SHA1
9a062b72aa5d65e14452de7260d645c07af22116

SHA256
2cdb57e7868088d333b33efc5e3fb2729076e6af6129074737bbab62029930c2

SHA512
a447e04f443fa3a817d17e10c288658a525d7d402a34602bd264a145cae40026af3f007a6ce48f17886941721989fc31dd349bde41d1e568577a36858b8b9af7

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3764-0-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/3764-7-0x0000000000400000-0x000000000042E000-memory.dmp

Filesize
184KB

Download
memory/4644-5-0x0000000000900000-0x0000000000909000-memory.dmp

Filesize
36KB

Download
memory/4644-8-0x0000000000900000-0x0000000000909000-memory.dmp

Filesize
36KB

Download