bdaejec | 428d2b34a28bf672cfd60124fa1aa6aaf1ec0758002f6740b8732c2c637cf88a

Analysis

max time kernel
140s
max time network
142s
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 11:14

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General

Target

JaffaCakes118_64ac756ae99eb21a7883d0e1b177aee0.exe
Size

842KB
MD5

64ac756ae99eb21a7883d0e1b177aee0
SHA1

0ac236915744319a88f2497010630a63542fa192
SHA256

428d2b34a28bf672cfd60124fa1aa6aaf1ec0758002f6740b8732c2c637cf88a
SHA512

ade263a37769167978b7c1a7a8adfde12d57fe1008e032aaf40d57278c5158f81d1b358032244ac07717d7c29eb5f2a50b098863ae5ef94496d519a810a2d8f0
SSDEEP

12288:89QM1W4lbdag85peRKJ17aV6pWgzHrGhuvj/ZIW/fN9pz:sQMk4lbdatK61eoLz6QnHJ

Score

10^/10

bdaejec aspackv2 backdoor discovery upx

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/5068-55-0x00000000007A0000-0x00000000007A9000-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/0x000c000000023b15-3.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	yFLBR.exe

Executes dropped EXE 1 IoCs

pid	Process
5068	yFLBR.exe

Drops desktop.ini file(s) 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\Desktop\desktop.ini	JaffaCakes118_64ac756ae99eb21a7883d0e1b177aee0.exe

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/212-0-0x0000000000400000-0x00000000005E6000-memory.dmp	upx
behavioral2/memory/212-57-0x0000000000400000-0x00000000005E6000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7z.exe	yFLBR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	yFLBR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	yFLBR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	yFLBR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	yFLBR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	yFLBR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	yFLBR.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	yFLBR.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	yFLBR.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	yFLBR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	yFLBR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	yFLBR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	yFLBR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	yFLBR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	yFLBR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	yFLBR.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	yFLBR.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	yFLBR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	yFLBR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	yFLBR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	yFLBR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	yFLBR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	yFLBR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	yFLBR.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	yFLBR.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	yFLBR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	yFLBR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	yFLBR.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	yFLBR.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	yFLBR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	yFLBR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	yFLBR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	yFLBR.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	yFLBR.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	yFLBR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	yFLBR.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	yFLBR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	yFLBR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	yFLBR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	yFLBR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	yFLBR.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	yFLBR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	yFLBR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	yFLBR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	yFLBR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	yFLBR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	yFLBR.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_64ac756ae99eb21a7883d0e1b177aee0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	yFLBR.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
212	JaffaCakes118_64ac756ae99eb21a7883d0e1b177aee0.exe
212	JaffaCakes118_64ac756ae99eb21a7883d0e1b177aee0.exe
212	JaffaCakes118_64ac756ae99eb21a7883d0e1b177aee0.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 212 wrote to memory of 5068	212	JaffaCakes118_64ac756ae99eb21a7883d0e1b177aee0.exe	83
PID 212 wrote to memory of 5068	212	JaffaCakes118_64ac756ae99eb21a7883d0e1b177aee0.exe	83
PID 212 wrote to memory of 5068	212	JaffaCakes118_64ac756ae99eb21a7883d0e1b177aee0.exe	83
PID 5068 wrote to memory of 1780	5068	yFLBR.exe	85
PID 5068 wrote to memory of 1780	5068	yFLBR.exe	85
PID 5068 wrote to memory of 1780	5068	yFLBR.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64ac756ae99eb21a7883d0e1b177aee0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_64ac756ae99eb21a7883d0e1b177aee0.exe"
1⤵
- Drops desktop.ini file(s)
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:212
- C:\Users\Admin\AppData\Local\Temp\yFLBR.exe
  C:\Users\Admin\AppData\Local\Temp\yFLBR.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:5068
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\45ac1d69.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1780

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\8R55UT9S\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\45ac1d69.bat

Filesize
185B

MD5
fb248ff172d8794c00e940f5f7db7b95

SHA1
307dada513662bb1d0350dd962149f672b9a766c

SHA256
ee78c04f71bd035357488a1b4a6fce1b2c314a757f6131e785d8465f6c59566e

SHA512
53323e4a3f5c9a28b221b6e71671f018075bd7a7553ee646d432da833404d49bb4805cef606276432516c49b181de3afbb36f8bee470f1e1e25e14ff2b18e0c7

Download Submit
C:\Users\Admin\AppData\Local\Temp\652A6099.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
C:\Users\Admin\Desktop\desktop.ini

Filesize
282B

MD5
9e36cc3537ee9ee1e3b10fa4e761045b

SHA1
7726f55012e1e26cc762c9982e7c6c54ca7bb303

SHA256
4b9d687ac625690fd026ed4b236dad1cac90ef69e7ad256cc42766a065b50026

SHA512
5f92493c533d3add10b4ce2a364624817ebd10e32daa45ee16593e913073602db5e339430a3f7d2c44abf250e96ca4e679f1f09f8ca807d58a47cf3d5c9c3790

Download Submit
memory/212-0-0x0000000000400000-0x00000000005E6000-memory.dmp

Filesize
1.9MB

Download
memory/212-7-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/212-57-0x0000000000400000-0x00000000005E6000-memory.dmp

Filesize
1.9MB

Download
memory/212-59-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/5068-4-0x00000000007A0000-0x00000000007A9000-memory.dmp

Filesize
36KB

Download
memory/5068-55-0x00000000007A0000-0x00000000007A9000-memory.dmp

Filesize
36KB

Download