bdaejec | b09ab01fac4fa50b5208680ddff09109941d4b0905feaf0b3f64b9d7c2c94734

General

Target

2024-11-17_4f825b9717b4067cce5bc917e3fab377_smoke-loader_wapomi.exe
Size

80KB
MD5

4f825b9717b4067cce5bc917e3fab377
SHA1

7baa522033a79e9a4a6ce5ea10de0ce37b78bf48
SHA256

b09ab01fac4fa50b5208680ddff09109941d4b0905feaf0b3f64b9d7c2c94734
SHA512

a663de68a713125b4c28e18d6247733683170e6e04d0f65942fa13d1e04daa998d58d6b34f6dd191eb963a0ded4ca315b930f898eb76669e2c2489f3f2fea398
SSDEEP

1536:RfnLq01weW5yX3jFxv49Nu4GhQnZGCq2iW7z:Y3ysTGhQZGCH

Score

10^/10

bdaejec aspackv2 backdoor discovery

Malware Config

Extracted

Family

bdaejec

C2

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++.

Processes:

resource	yara_rule
behavioral2/memory/3936-48-0x00000000007C0000-0x00000000007C9000-memory.dmp	family_bdaejec_backdoor

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\KsMUyt.exe	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

Processes:

KsMUyt.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation KsMUyt.exe
Executes dropped EXE 1 IoCs

Processes:

KsMUyt.exe

pid process

3936 KsMUyt.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	KsMUyt.exe

pid	process
3936	KsMUyt.exe

Drops file in Program Files directory 64 IoCs

Processes:

KsMUyt.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	KsMUyt.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java-rmi.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxTsr.exe	KsMUyt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	KsMUyt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	KsMUyt.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	KsMUyt.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	KsMUyt.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	KsMUyt.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	KsMUyt.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	KsMUyt.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	KsMUyt.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsSoundRecorder_10.1906.1972.0_x64__8wekyb3d8bbwe\SoundRec.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	KsMUyt.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	KsMUyt.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

Processes:

2024-11-17_4f825b9717b4067cce5bc917e3fab377_smoke-loader_wapomi.exeKsMUyt.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-17_4f825b9717b4067cce5bc917e3fab377_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	KsMUyt.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2024-11-17_4f825b9717b4067cce5bc917e3fab377_smoke-loader_wapomi.exeKsMUyt.exe

description	pid	process	target process
PID 2284 wrote to memory of 3936	2284	2024-11-17_4f825b9717b4067cce5bc917e3fab377_smoke-loader_wapomi.exe	KsMUyt.exe
PID 2284 wrote to memory of 3936	2284	2024-11-17_4f825b9717b4067cce5bc917e3fab377_smoke-loader_wapomi.exe	KsMUyt.exe
PID 2284 wrote to memory of 3936	2284	2024-11-17_4f825b9717b4067cce5bc917e3fab377_smoke-loader_wapomi.exe	KsMUyt.exe
PID 3936 wrote to memory of 4196	3936	KsMUyt.exe	cmd.exe
PID 3936 wrote to memory of 4196	3936	KsMUyt.exe	cmd.exe
PID 3936 wrote to memory of 4196	3936	KsMUyt.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-17_4f825b9717b4067cce5bc917e3fab377_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-17_4f825b9717b4067cce5bc917e3fab377_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2284
- C:\Users\Admin\AppData\Local\Temp\KsMUyt.exe
  C:\Users\Admin\AppData\Local\Temp\KsMUyt.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:3936
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\475463bc.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4196

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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\20117403.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\475463bc.bat

Filesize
187B

MD5
4975b310d862b5e19497416f55a2d080

SHA1
5c18d46c5a3c9b1db6a95ef0aa2533a87a3c1379

SHA256
4834d670ddc90906c6d2b0f1285c473c9d0c1d924e1f2e81eb65b87a4797c6b7

SHA512
bf730fce9bf7851980a6e3957b7dbf83cb27f62ac9c971e2ce802aa83f342766c03c89a04163d3a07c22717ce5c37a260f7697ee262d645fd966aaac0f0fe706

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2284-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2284-6-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3936-4-0x00000000007C0000-0x00000000007C9000-memory.dmp

Filesize
36KB

Download
memory/3936-48-0x00000000007C0000-0x00000000007C9000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads