bdaejec | 5bd17818bef0048f63583e996130adf5a5eb9368ad0baa533ec40d740a9b7717

Analysis

max time kernel
93s
max time network
132s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
24/02/2025, 04:29

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General

Target

2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe
Size

90KB
MD5

247ef92b686574963cc63ee11a483abf
SHA1

b3d602d4a137e7a6984ec42b279ce48950b9942a
SHA256

5bd17818bef0048f63583e996130adf5a5eb9368ad0baa533ec40d740a9b7717
SHA512

c8f93252db6086f18a3217408d0821ecf223192f23679b14731ba98ad02eaf21e354d598227277eac0b48521b2dc7a2546169a97d3585d97df487e6edbef1761
SSDEEP

1536:KJgIzEO/p3BjXV1bG5r4rW7r4tc+L19sWjcdx8Ka2CGCq2iW7z:ov1/G5+L1C6RGCH

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/220-29-0x0000000000A80000-0x0000000000A89000-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/0x000c000000023b66-3.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-1-5-21-1294999112-580688058-1763548717-1000\Control Panel\International\Geo\Nation	RRJzPJ.exe

Executes dropped EXE 1 IoCs

pid	Process
220	RRJzPJ.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	RRJzPJ.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	RRJzPJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	RRJzPJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	RRJzPJ.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	RRJzPJ.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	RRJzPJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	RRJzPJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	RRJzPJ.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	RRJzPJ.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	RRJzPJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	RRJzPJ.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	RRJzPJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	RRJzPJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	RRJzPJ.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	RRJzPJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	RRJzPJ.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	RRJzPJ.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	RRJzPJ.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	RRJzPJ.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	RRJzPJ.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	RRJzPJ.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4456 wrote to memory of 220	4456	2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe	85
PID 4456 wrote to memory of 220	4456	2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe	85
PID 4456 wrote to memory of 220	4456	2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe	85
PID 220 wrote to memory of 4684	220	RRJzPJ.exe	98
PID 220 wrote to memory of 4684	220	RRJzPJ.exe	98
PID 220 wrote to memory of 4684	220	RRJzPJ.exe	98

C:\Users\Admin\AppData\Local\Temp\2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-24_247ef92b686574963cc63ee11a483abf_bkransomware_karagany_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4456
- C:\Users\Admin\AppData\Local\Temp\RRJzPJ.exe
  C:\Users\Admin\AppData\Local\Temp\RRJzPJ.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:220
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\54b20b5d.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4684

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\VWBOIGFN\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\4493281E.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\54b20b5d.bat

Filesize
187B

MD5
a2ff654149b894e26d4a280958486c18

SHA1
a18d31879a0f1166d3deeefad2fd0392008fd78f

SHA256
7eb0b7052e4bc2ce531aaaa5cf8f36d1b232147f60609efe0f68efda1905126b

SHA512
322e55d56e0e4dc4f1146a538fe5ff84f10d40662b3502ee2d36fb9550da4d70d6118c5c83215b8f59192c1ccdcd8b0a26836e2f986004c6c4c37229b6679930

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/220-4-0x0000000000A80000-0x0000000000A89000-memory.dmp

Filesize
36KB

Download
memory/220-29-0x0000000000A80000-0x0000000000A89000-memory.dmp

Filesize
36KB

Download
memory/4456-0-0x0000000000020000-0x000000000003D000-memory.dmp

Filesize
116KB

Download
memory/4456-6-0x0000000000020000-0x000000000003D000-memory.dmp

Filesize
116KB

Download