bdaejec | 430831eef07d5f484ecd42bd57b4bafc6e90c7ca9ebac5570cecc3edb7e3b614

Analysis

max time kernel
132s
max time network
137s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 02:27

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General

Target

2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe
Size

215KB
MD5

95983cc5bbbfb2a10a812498976b3f60
SHA1

9b7bb8cd7db49f4502e20a97adc04d878353a5d9
SHA256

430831eef07d5f484ecd42bd57b4bafc6e90c7ca9ebac5570cecc3edb7e3b614
SHA512

767e8255dca633ea88bc8ba7720d5bc0491f04d0bed96b26f29c5c1d99a933eb51ca60516db579a45d4c193c6271adcd7510f7fcea54f2e7de52beccfc001525
SSDEEP

3072:J666SmGgfYMSLpt690G4EHI8FeqvrvuSUdyfQHoAb3MVD+Q3KLGCH:J2SSI60GhHvjv1Q83Ky

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/4880-8-0x0000000000810000-0x0000000000819000-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/0x000b000000023b8f-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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	pujNAG.exe

Executes dropped EXE 1 IoCs

pid	Process
4880	pujNAG.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	pujNAG.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	pujNAG.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	pujNAG.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	pujNAG.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	pujNAG.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	pujNAG.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	pujNAG.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	pujNAG.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	pujNAG.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	pujNAG.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	pujNAG.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{87F23B05-A117-4666-BB8C-A9C77E6BFB56}\chrome_installer.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	pujNAG.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	pujNAG.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	pujNAG.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Win32Bridge.Server.exe	pujNAG.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	pujNAG.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	pujNAG.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	pujNAG.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	pujNAG.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	pujNAG.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	2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pujNAG.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1004 wrote to memory of 4880	1004	2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe	85
PID 1004 wrote to memory of 4880	1004	2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe	85
PID 1004 wrote to memory of 4880	1004	2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe	85
PID 4880 wrote to memory of 4820	4880	pujNAG.exe	95
PID 4880 wrote to memory of 4820	4880	pujNAG.exe	95
PID 4880 wrote to memory of 4820	4880	pujNAG.exe	95

C:\Users\Admin\AppData\Local\Temp\2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-07_95983cc5bbbfb2a10a812498976b3f60_bkransomware_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1004
- C:\Users\Admin\AppData\Local\Temp\pujNAG.exe
  C:\Users\Admin\AppData\Local\Temp\pujNAG.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:4880
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\1d5e7c37.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4820

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\Temp\1d5e7c37.bat

Filesize
187B

MD5
cfc542fb932676bab23359015ba0de34

SHA1
acc14a4ef4bf63301e58897bbf38b965d2461672

SHA256
bc4dfdbb75d40f7c9bf7ae1066e07a894fdb5d2be67e389bc1a6bf3f00a6417d

SHA512
59c2043bf29b39c181e497bf41292bb055237d713a4f42bcea08610497a3243530932734e808b594aa6ab10c9baef50a3c010d1b468453b772e858059dfc90ef

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1004-0-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/1004-6-0x0000000000080000-0x00000000000BC000-memory.dmp

Filesize
240KB

Download
memory/4880-4-0x0000000000810000-0x0000000000819000-memory.dmp

Filesize
36KB

Download
memory/4880-8-0x0000000000810000-0x0000000000819000-memory.dmp

Filesize
36KB

Download