bdaejec | 683c93b5375a815e88d1e075ef1e931bb115de0918d3a5f989025efec076d38a

Analysis

max time kernel
90s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
05-01-2025 10:11

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General

Target

2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe
Size

1.1MB
MD5

e8660301ed698a144c850209cfc32372
SHA1

686bc8b1c5d5475bda8632faaa911f1b749d6fd9
SHA256

683c93b5375a815e88d1e075ef1e931bb115de0918d3a5f989025efec076d38a
SHA512

2a5a6cdde4f30831914c52e78490252e4d70e7af6fe31b045ceebddb6373e7707533826f1633a9beef63bdd7a588e117955b018bb0e8f9ae6a8c9cd2a71b45da
SSDEEP

12288:ZqOPajQUXXP8QvLWFx6Mo5rippDC7ee1hpls4Ey+:ZnajQEPnvg6PhWDC750

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/2264-46-0x0000000000280000-0x0000000000289000-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/0x0008000000023cce-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-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	dArhBL.exe

Executes dropped EXE 1 IoCs

pid	Process
2264	dArhBL.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	dArhBL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{8A1C963D-7054-4DC6-AA98-9FBFCE5E4C3B}\chrome_installer.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSQRY32.EXE	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\IntegratedOffice.exe	dArhBL.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	dArhBL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	dArhBL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	dArhBL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	dArhBL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	dArhBL.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateComRegisterShell64.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	dArhBL.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	dArhBL.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	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	dArhBL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	dArhBL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	dArhBL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	dArhBL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	dArhBL.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	dArhBL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	dArhBL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	dArhBL.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	dArhBL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	dArhBL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	dArhBL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	dArhBL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	dArhBL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	dArhBL.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
3988	2540	WerFault.exe	84

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	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dArhBL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2540	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe
2540	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe
2540	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe
2540	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2540 wrote to memory of 2264	2540	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe	85
PID 2540 wrote to memory of 2264	2540	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe	85
PID 2540 wrote to memory of 2264	2540	2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe	85
PID 2264 wrote to memory of 3152	2264	dArhBL.exe	89
PID 2264 wrote to memory of 3152	2264	dArhBL.exe	89
PID 2264 wrote to memory of 3152	2264	dArhBL.exe	89

C:\Users\Admin\AppData\Local\Temp\2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-05_e8660301ed698a144c850209cfc32372_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2540
- C:\Users\Admin\AppData\Local\Temp\dArhBL.exe
  C:\Users\Admin\AppData\Local\Temp\dArhBL.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:2264
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4bcf3022.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3152
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2540 -s 1868
  2⤵
  - Program crash
  PID:3988

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2540 -ip 2540
1⤵
PID:1456

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\DQ67RYHS\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\23841E41.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\4bcf3022.bat

Filesize
187B

MD5
8851cff90ec2ca61bb78d4eb547c0c65

SHA1
d8e6f22c1d7755b53bc310fe00196e33c98394b5

SHA256
62f0fc6d0ef12788849dcf7b587b3b0012a4449fb15cb1f0e1dd38bc53ac4bd7

SHA512
4df6463377ef0f40d8ba4559f6700cdd6b10ae6ee9248ea214b694db5932c6574718ed09e25299807e1abba16d9b2001c2c852b5f69c61bfb81794fa5db52a86

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2264-4-0x0000000000280000-0x0000000000289000-memory.dmp

Filesize
36KB

Download
memory/2264-46-0x0000000000280000-0x0000000000289000-memory.dmp

Filesize
36KB

Download
memory/2540-0-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download
memory/2540-44-0x0000000000400000-0x0000000000523000-memory.dmp

Filesize
1.1MB

Download