bdaejec | 840c9b9926a60e7c4efc340834d1680939c4daa50665c26298ce8cca43697c05

Analysis

max time kernel
94s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-01-2025 16:35

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General

Target

JaffaCakes118_6685d3c2a1a1c4aca8dd884b73af5290.exe
Size

158KB
MD5

6685d3c2a1a1c4aca8dd884b73af5290
SHA1

8fca64977e4fe43ce6da66cad9e45f26226adef9
SHA256

840c9b9926a60e7c4efc340834d1680939c4daa50665c26298ce8cca43697c05
SHA512

c54edc80fceba5d8b63964af7f7b39b5f5e5ff54b39029960ab2758da0fe36ed209bec97eec9edeb5f2975683e7c7c30dcbabd0bcc874f8b192be5f5021d5779
SSDEEP

1536:yN6gJk0sKTaBAmpeWf1JOB67UXt2MZojGTmz5LH9LsS0KHNZQkMhOxN5EqHqbaG3:yNxyKT4pQBPlWjR3HNZFDxN5Eq4pGCH

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/3100-33-0x00000000007E0000-0x00000000007E9000-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/0x000b000000023c75-4.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	jYx.exe

Executes dropped EXE 1 IoCs

pid	Process
3100	jYx.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	jYx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	jYx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	jYx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	jYx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	jYx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	jYx.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	jYx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	jYx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	jYx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	jYx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	jYx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	jYx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	jYx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	jYx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmid.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	jYx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	jYx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	jYx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	jYx.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	jYx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	jYx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	jYx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	jYx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	jYx.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	jYx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	jYx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	jYx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	jYx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	jYx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	jYx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	jYx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	jYx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	jYx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	jYx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	jYx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	jYx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	jYx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	jYx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	jYx.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_6685d3c2a1a1c4aca8dd884b73af5290.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jYx.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 3100	2848	JaffaCakes118_6685d3c2a1a1c4aca8dd884b73af5290.exe	83
PID 2848 wrote to memory of 3100	2848	JaffaCakes118_6685d3c2a1a1c4aca8dd884b73af5290.exe	83
PID 2848 wrote to memory of 3100	2848	JaffaCakes118_6685d3c2a1a1c4aca8dd884b73af5290.exe	83
PID 3100 wrote to memory of 3408	3100	jYx.exe	84
PID 3100 wrote to memory of 3408	3100	jYx.exe	84
PID 3100 wrote to memory of 3408	3100	jYx.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6685d3c2a1a1c4aca8dd884b73af5290.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6685d3c2a1a1c4aca8dd884b73af5290.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Users\Admin\AppData\Local\Temp\jYx.exe
  C:\Users\Admin\AppData\Local\Temp\jYx.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:3100
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6cf4137c.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3408

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\Microsoft\Windows\INetCache\IE\PGH3GSHW\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\585D3357.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\6cf4137c.bat

Filesize
181B

MD5
1a3ff167efb9e74c7c118bf13faf25ee

SHA1
cab45b4ff859b88609d985c8174650629b763bb3

SHA256
eb127f2bc0199415911a57655931d3a00403bda71877751890751f2cec47a3c1

SHA512
beb2238b4a6e195f8d60c440a8a7f4130915acc237cdff9678a3c605f4a1d865afcef37b5caaa5a0ab7a1ef931c1035a44760caff21e3458fc49dd83a8afbdf3

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2848-0-0x0000000000150000-0x000000000017E000-memory.dmp

Filesize
184KB

Download
memory/2848-7-0x0000000000150000-0x000000000017E000-memory.dmp

Filesize
184KB

Download
memory/3100-5-0x00000000007E0000-0x00000000007E9000-memory.dmp

Filesize
36KB

Download
memory/3100-33-0x00000000007E0000-0x00000000007E9000-memory.dmp

Filesize
36KB

Download