bdaejec | 76def49d49c93c76f1d2300566e8b0a90457101322c4a1e1503f4b3daad31dbd

Analysis

max time kernel
94s
max time network
148s
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, 06:39

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General

Target

JaffaCakes118_7839810b8554c3b3e7ebb39fb6913100.exe
Size

216KB
MD5

7839810b8554c3b3e7ebb39fb6913100
SHA1

590d091197a09f428fca6d3601bb9a59b1464a25
SHA256

76def49d49c93c76f1d2300566e8b0a90457101322c4a1e1503f4b3daad31dbd
SHA512

5b7470226aba31efc50106714fae0d047f81579ef9df2273d87e011d1322356256e4e9660b1aa1e9ff45d21137c7ea69b887c1b38216e700eb79cb9c3519d66d
SSDEEP

3072:ol3qOf+5or1QcMgmST9F+bAsOekqMhOdFAeRV8HDO4O2Vurl3dQuGCH:dOf+5UpMdkF+8sOKmw+eR8kFd4

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/4760-47-0x0000000000820000-0x0000000000829000-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/0x000a000000023bfa-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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	colSjR.exe

Executes dropped EXE 1 IoCs

pid	Process
4760	colSjR.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	colSjR.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	colSjR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	colSjR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	colSjR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	colSjR.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	colSjR.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	colSjR.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	colSjR.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	colSjR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	colSjR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	colSjR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	colSjR.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	colSjR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	colSjR.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	colSjR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	colSjR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	colSjR.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	colSjR.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	colSjR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	colSjR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	colSjR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	colSjR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	colSjR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	colSjR.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	colSjR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	colSjR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	colSjR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	colSjR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	colSjR.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	colSjR.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	colSjR.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	colSjR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	colSjR.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	colSjR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	colSjR.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	colSjR.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	colSjR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	colSjR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	colSjR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	colSjR.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	colSjR.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	colSjR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	colSjR.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	colSjR.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	colSjR.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	colSjR.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	JaffaCakes118_7839810b8554c3b3e7ebb39fb6913100.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	colSjR.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3524 wrote to memory of 4760	3524	JaffaCakes118_7839810b8554c3b3e7ebb39fb6913100.exe	84
PID 3524 wrote to memory of 4760	3524	JaffaCakes118_7839810b8554c3b3e7ebb39fb6913100.exe	84
PID 3524 wrote to memory of 4760	3524	JaffaCakes118_7839810b8554c3b3e7ebb39fb6913100.exe	84
PID 4760 wrote to memory of 4332	4760	colSjR.exe	85
PID 4760 wrote to memory of 4332	4760	colSjR.exe	85
PID 4760 wrote to memory of 4332	4760	colSjR.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7839810b8554c3b3e7ebb39fb6913100.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_7839810b8554c3b3e7ebb39fb6913100.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3524
- C:\Users\Admin\AppData\Local\Temp\colSjR.exe
  C:\Users\Admin\AppData\Local\Temp\colSjR.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:4760
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\20de5a6c.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4332

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\XH3Z2ZON\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\20de5a6c.bat

Filesize
187B

MD5
14beade5807b8b2b6a6b40c3df2147ca

SHA1
22679fd7dcaa4a23dc4b7c7aaee0450615c4342a

SHA256
46ed1f51c53089d8f7f0deb63b9f6db6534973651f5967f0578d91e9e5cd1d1e

SHA512
a00002d0f55e1c608576e81ad1439b00a61e26d51ae4625b02ad3564e772b2da4c98375c896780f9c1bc14d3227dc327a586ddff9ba905a8864967c70074a3b7

Download Submit
C:\Users\Admin\AppData\Local\Temp\34600FF5.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3524-0-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/3524-7-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4760-4-0x0000000000820000-0x0000000000829000-memory.dmp

Filesize
36KB

Download
memory/4760-47-0x0000000000820000-0x0000000000829000-memory.dmp

Filesize
36KB

Download