bdaejec | 0eb5c2065fdac6e88beb72882269ed6e290aed830da16b98e49337238fc7479b

General

Target

2024-11-21_f9ee275e65435a28f55f43d08f21d4fb_smoke-loader_wapomi.exe
Size

80KB
MD5

f9ee275e65435a28f55f43d08f21d4fb
SHA1

dee0d22d166097b7f03cb49b631a28ae5a1bd2d2
SHA256

0eb5c2065fdac6e88beb72882269ed6e290aed830da16b98e49337238fc7479b
SHA512

1db94e9522b821d0342cc7056b1f01cf839700079ff49744f4c22ff28a2e0bf8aeb9904eadfdf28a7fd4fa2cb51be3c6d2ef3f5ba52b966e202f8fa99eecb65d
SSDEEP

1536:RfnLq01weW5yX3jFxv49Nu4GhQ2MGCq2iW7z:Y3ysTGhQbGCH

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/4856-46-0x00000000003D0000-0x00000000003D9000-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\cFhOYFkT.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:

cFhOYFkT.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	cFhOYFkT.exe

Executes dropped EXE 1 IoCs

Processes:

cFhOYFkT.exe

pid process

4856 cFhOYFkT.exe

pid	process
4856	cFhOYFkT.exe

Drops file in Program Files directory 64 IoCs

Processes:

cFhOYFkT.exe

description	ioc	process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	cFhOYFkT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	cFhOYFkT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jar.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	cFhOYFkT.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	cFhOYFkT.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	cFhOYFkT.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:

2024-11-21_f9ee275e65435a28f55f43d08f21d4fb_smoke-loader_wapomi.execFhOYFkT.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-21_f9ee275e65435a28f55f43d08f21d4fb_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cFhOYFkT.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

2024-11-21_f9ee275e65435a28f55f43d08f21d4fb_smoke-loader_wapomi.execFhOYFkT.exe

description	pid	process	target process
PID 3824 wrote to memory of 4856	3824	2024-11-21_f9ee275e65435a28f55f43d08f21d4fb_smoke-loader_wapomi.exe	cFhOYFkT.exe
PID 3824 wrote to memory of 4856	3824	2024-11-21_f9ee275e65435a28f55f43d08f21d4fb_smoke-loader_wapomi.exe	cFhOYFkT.exe
PID 3824 wrote to memory of 4856	3824	2024-11-21_f9ee275e65435a28f55f43d08f21d4fb_smoke-loader_wapomi.exe	cFhOYFkT.exe
PID 4856 wrote to memory of 4792	4856	cFhOYFkT.exe	cmd.exe
PID 4856 wrote to memory of 4792	4856	cFhOYFkT.exe	cmd.exe
PID 4856 wrote to memory of 4792	4856	cFhOYFkT.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\2024-11-21_f9ee275e65435a28f55f43d08f21d4fb_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-21_f9ee275e65435a28f55f43d08f21d4fb_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3824
- C:\Users\Admin\AppData\Local\Temp\cFhOYFkT.exe
  C:\Users\Admin\AppData\Local\Temp\cFhOYFkT.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:4856
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3e365b09.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4792

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\0BHOTC3C\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\1CFD591C.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\3e365b09.bat

Filesize
191B

MD5
8fea60e300b0a6f9bf173b2a43dce87d

SHA1
6054496cfff1b8a41379958b0f61a6fa7b47c638

SHA256
71b2becffbb37b43d8e72f73d5dc553b06cc4b469b2b0ef1ea12163121d5e958

SHA512
44b4a70a99bd1ecf49adbc2db1118cd96e6884799c76c7b78e148cca6c42cff2b74d748e5b5f30a35512c058509f3539ac29b6d4bb2a1f9f83d906df69d81118

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3824-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/3824-5-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4856-4-0x00000000003D0000-0x00000000003D9000-memory.dmp

Filesize
36KB

Download
memory/4856-46-0x00000000003D0000-0x00000000003D9000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads