bdaejec | d6746f21bff4772ace893ea1914d0015d5a747a442df12198593d1facf2c73cc

Analysis

max time kernel
117s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
04-01-2025 17:33

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General

Target

JaffaCakes118_7aeecadeffcbe87329acb45cd5b97a2d.exe
Size

265KB
MD5

7aeecadeffcbe87329acb45cd5b97a2d
SHA1

6fd335af6d246496b553888ccf22679962deaf33
SHA256

d6746f21bff4772ace893ea1914d0015d5a747a442df12198593d1facf2c73cc
SHA512

69a67a96a5f73570648ae74675bc59a845f2276361fc442c01d6c55294d4beb01a30f20d5fad2ee108b8bdee5c02a7e986c60bcaeacb488a68b421c0b3089693
SSDEEP

6144:y8SkluhFijLEtHH0R/ScslxUNw8bk6X9nvzbKAOXfgscJn:yAyFiH/ScslxUNy69nLbKxod

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/3784-29-0x0000000000DC0000-0x0000000000DC9000-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/0x000c000000023b82-3.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	fwdZ.exe

Executes dropped EXE 1 IoCs

pid	Process
3784	fwdZ.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	fwdZ.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	fwdZ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	fwdZ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	fwdZ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	fwdZ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	fwdZ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	fwdZ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	fwdZ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	fwdZ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	fwdZ.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	fwdZ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	fwdZ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	fwdZ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	fwdZ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	fwdZ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	fwdZ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	fwdZ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	fwdZ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	fwdZ.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	fwdZ.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	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	fwdZ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	fwdZ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	fwdZ.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_7aeecadeffcbe87329acb45cd5b97a2d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fwdZ.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
4864	JaffaCakes118_7aeecadeffcbe87329acb45cd5b97a2d.exe
4864	JaffaCakes118_7aeecadeffcbe87329acb45cd5b97a2d.exe
4864	JaffaCakes118_7aeecadeffcbe87329acb45cd5b97a2d.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4864	JaffaCakes118_7aeecadeffcbe87329acb45cd5b97a2d.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4864	JaffaCakes118_7aeecadeffcbe87329acb45cd5b97a2d.exe
4864	JaffaCakes118_7aeecadeffcbe87329acb45cd5b97a2d.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 3784	4864	JaffaCakes118_7aeecadeffcbe87329acb45cd5b97a2d.exe	85
PID 4864 wrote to memory of 3784	4864	JaffaCakes118_7aeecadeffcbe87329acb45cd5b97a2d.exe	85
PID 4864 wrote to memory of 3784	4864	JaffaCakes118_7aeecadeffcbe87329acb45cd5b97a2d.exe	85
PID 3784 wrote to memory of 5040	3784	fwdZ.exe	103
PID 3784 wrote to memory of 5040	3784	fwdZ.exe	103
PID 3784 wrote to memory of 5040	3784	fwdZ.exe	103

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aeecadeffcbe87329acb45cd5b97a2d.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7aeecadeffcbe87329acb45cd5b97a2d.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Users\Admin\AppData\Local\Temp\fwdZ.exe
  C:\Users\Admin\AppData\Local\Temp\fwdZ.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:3784
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2c0e3f24.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

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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\2c0e3f24.bat

Filesize
183B

MD5
cf0fd4de26f83171abc86701d73d9b29

SHA1
1355de352d25cf3335e1aaa983c3a379da07cf52

SHA256
8a2b8cac23ea774e543b8658b077ce163f7115c429ce7a7bea4422e7eac42b76

SHA512
5661616095373ed456dc84dd4eeb9d60f0c9ab2a313b0a5209fbd5a5a5ac14c86159428add99258e54002a62ce6af99f48c326c9e0a440627924d90636512831

Download Submit
C:\Users\Admin\AppData\Local\Temp\342B4967.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3784-5-0x0000000000DC0000-0x0000000000DC9000-memory.dmp

Filesize
36KB

Download
memory/3784-29-0x0000000000DC0000-0x0000000000DC9000-memory.dmp

Filesize
36KB

Download
memory/4864-0-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download
memory/4864-28-0x0000000000400000-0x0000000000449000-memory.dmp

Filesize
292KB

Download