bdaejec | 251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/01/2025, 13:59

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General

Target

251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
Size

1.1MB
MD5

0a9feac0126e029a0afae9efecb202dd
SHA1

683399e142b823b8a41f70e5bc77cf76b137117d
SHA256

251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566
SHA512

91bf0a008ebb0c4f45825bc18f264e6d2a97a756339e3db1d4fa479b5a6f2124026c53d786f31fb1e40fb300b4ad361280aefe1eab7e40b3e6fae8204a722db1
SSDEEP

12288:ZqOPajQUXXP8QvLWFx6Mo5rippDC7ee1hpls4Ey+F:ZnajQEPnvg6PhWDC750F

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/3064-46-0x0000000000480000-0x0000000000489000-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/0x000c000000023b21-3.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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	cLLtGx.exe

Executes dropped EXE 1 IoCs

pid	Process
3064	cLLtGx.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	cLLtGx.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	cLLtGx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	cLLtGx.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	cLLtGx.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Wallet_2.4.18324.0_x64__8wekyb3d8bbwe\Microsoft.Wallet.exe	cLLtGx.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	cLLtGx.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	cLLtGx.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	cLLtGx.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3596	1656	WerFault.exe	80

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	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cLLtGx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1656	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
1656	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
1656	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
1656	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 3064	1656	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe	81
PID 1656 wrote to memory of 3064	1656	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe	81
PID 1656 wrote to memory of 3064	1656	251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe	81
PID 3064 wrote to memory of 2428	3064	cLLtGx.exe	86
PID 3064 wrote to memory of 2428	3064	cLLtGx.exe	86
PID 3064 wrote to memory of 2428	3064	cLLtGx.exe	86

C:\Users\Admin\AppData\Local\Temp\251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe
"C:\Users\Admin\AppData\Local\Temp\251ec38c52b8c7bb12f333d54f4c7170848c30851815987c0f31cc2085e58566.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1656
- C:\Users\Admin\AppData\Local\Temp\cLLtGx.exe
  C:\Users\Admin\AppData\Local\Temp\cLLtGx.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:3064
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\63f44fe7.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2428
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1656 -s 1492
  2⤵
  - Program crash
  PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 1656 -ip 1656
1⤵
PID:1556

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\PGH3GSHW\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\09373E66.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\63f44fe7.bat

Filesize
187B

MD5
700b97907ffb245fccdd2b0365aa47f5

SHA1
76a81b8fd4af1108017d34fdad26d5b25d2b5137

SHA256
a00bcc4dbc10f6e02e0c339e55d5ce07c1976cd8354eaac37b1abb4972b1d273

SHA512
c70344d6b9f35fec572a8c7fadf640461fb6230f6139a048a26c7d8995d57d73600ba8e8bae3def6ccc8b70e5259bfd37571e31a50e05f4d00b7b25ef244492e

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1656-0-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/1656-28-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/3064-4-0x0000000000480000-0x0000000000489000-memory.dmp

Filesize
36KB

Download
memory/3064-46-0x0000000000480000-0x0000000000489000-memory.dmp

Filesize
36KB

Download