bdaejec | c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250207-en
resource tags

arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
submitted
11-02-2025 09:47

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General

Target

c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe
Size

1.7MB
MD5

f6ff1a3c10c0ea4619aedaa9863f8922
SHA1

16d4a85de3e561273e91496d166f1512bc15dddd
SHA256

c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2
SHA512

5b8ac5b939f4892bc51d0e9556dee1faeb50d3b9dbd94d5f61760e670ca78de294b673edbcf78870eeba2593280a29a1f26ccd4e68de895743a99eedf5497dad
SSDEEP

24576:Ckj+rIlGHibOR0UM7y8r1kJIhqEI8+2HCEToyD4Echprrm0lwE13/TQcKbWh:CkqrfiLBjE98T74EcajK/T/KbW

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/4908-21-0x0000000000B80000-0x0000000000B89000-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/0x0009000000023dcf-2.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-1-5-21-2499155680-3253481302-763015360-1000\Control Panel\International\Geo\Nation	kBflrj.exe

Executes dropped EXE 1 IoCs

pid	Process
4908	kBflrj.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	kBflrj.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	kBflrj.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	kBflrj.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	kBflrj.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	kBflrj.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	kBflrj.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	kBflrj.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	kBflrj.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	kBflrj.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	kBflrj.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	kBflrj.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	kBflrj.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	kBflrj.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	kBflrj.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	kBflrj.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	kBflrj.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	kBflrj.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	kBflrj.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	kBflrj.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	kBflrj.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	kBflrj.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	kBflrj.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 4 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	MicrosoftEdgeUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	kBflrj.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
3980	MicrosoftEdgeUpdate.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3176	c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3176	c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3176 wrote to memory of 4908	3176	c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe	86
PID 3176 wrote to memory of 4908	3176	c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe	86
PID 3176 wrote to memory of 4908	3176	c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe	86
PID 4908 wrote to memory of 2760	4908	kBflrj.exe	93
PID 4908 wrote to memory of 2760	4908	kBflrj.exe	93
PID 4908 wrote to memory of 2760	4908	kBflrj.exe	93

C:\Users\Admin\AppData\Local\Temp\c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe
"C:\Users\Admin\AppData\Local\Temp\c08f9062592ffe83ffd259e6701748f9b2cd735cdff079c2a6231402cf4ea0e2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3176
- C:\Users\Admin\AppData\Local\Temp\kBflrj.exe
  C:\Users\Admin\AppData\Local\Temp\kBflrj.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:4908
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\22241b21.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2760

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIzIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDQ0OTciIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxNjkzODEzMjAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0OTUwNDAwMjMxIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:3980

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

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\22241b21.bat

Filesize
187B

MD5
ed16dc10487bbf81e27a6a25ac8e4508

SHA1
63338614b1eb1878ac3954ea2e23e9de29fe01de

SHA256
b3f2f7aeaa386985acb73091a51f0171e327bc223c16a5ab487c560363c69c6d

SHA512
0c9bd114a293e55ef041d01272541744ac2c692b6a08e6044f258f42e098c23bb6bc3b2c06de9ca53c5a665ab91c9c6012ba92f284d8627fb9fe53664a7b670e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3176-3-0x0000000000400000-0x0000000000C5A000-memory.dmp

Filesize
8.4MB

Download
memory/3176-16-0x0000000000400000-0x0000000000C5A000-memory.dmp

Filesize
8.4MB

Download
memory/4908-5-0x0000000000B80000-0x0000000000B89000-memory.dmp

Filesize
36KB

Download
memory/4908-21-0x0000000000B80000-0x0000000000B89000-memory.dmp

Filesize
36KB

Download