bdaejec | 9b50512b617a2c867d6c4a27824db3a807360131be4f4e1fd037fc4e50654c83

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 18:28

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General

Target

2024-11-20_692400aebbfd2b85ccfb973825f2aa73_smoke-loader_wapomi.exe
Size

208KB
MD5

692400aebbfd2b85ccfb973825f2aa73
SHA1

35c36b727f652894e8810362a11216a3603599d6
SHA256

9b50512b617a2c867d6c4a27824db3a807360131be4f4e1fd037fc4e50654c83
SHA512

8a2f855302690c2421a180d4166bffde92c3cda3e61ab3116d24198b104682d9cd041e7299b0f6fc74da71e6979fb2894a67433f1c6dbc2509d2081c7d2ebce2
SSDEEP

3072:LW8KaJvnsgaSIwi/cJimz+zQzBYTBf9pAXAZPuYQO1GCH:Qkv1IHyz+zQeTBl2Muyw

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/3116-46-0x0000000000E40000-0x0000000000E49000-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/0x000c000000023b18-3.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	crHcJW.exe

Executes dropped EXE 1 IoCs

pid	Process
3116	crHcJW.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	crHcJW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	crHcJW.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	crHcJW.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	crHcJW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	crHcJW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	crHcJW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	crHcJW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	crHcJW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	crHcJW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	crHcJW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	crHcJW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	crHcJW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaw.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	crHcJW.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	crHcJW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	crHcJW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	crHcJW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	crHcJW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	crHcJW.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	crHcJW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerElevatedAppServiceClient.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	crHcJW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	crHcJW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	crHcJW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	crHcJW.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	crHcJW.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	crHcJW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	crHcJW.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	crHcJW.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	crHcJW.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{86586A1C-7EEC-4BB2-AD86-7C1FB3D0D811}\chrome_installer.exe	crHcJW.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	crHcJW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	crHcJW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	crHcJW.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	crHcJW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	crHcJW.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	crHcJW.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	crHcJW.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	crHcJW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	crHcJW.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	crHcJW.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	crHcJW.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	crHcJW.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	crHcJW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	crHcJW.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	crHcJW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	crHcJW.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	crHcJW.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxCalendarAppImm.exe	crHcJW.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	crHcJW.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	crHcJW.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2024-11-20_692400aebbfd2b85ccfb973825f2aa73_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 3116	1948	2024-11-20_692400aebbfd2b85ccfb973825f2aa73_smoke-loader_wapomi.exe	82
PID 1948 wrote to memory of 3116	1948	2024-11-20_692400aebbfd2b85ccfb973825f2aa73_smoke-loader_wapomi.exe	82
PID 1948 wrote to memory of 3116	1948	2024-11-20_692400aebbfd2b85ccfb973825f2aa73_smoke-loader_wapomi.exe	82
PID 3116 wrote to memory of 4420	3116	crHcJW.exe	83
PID 3116 wrote to memory of 4420	3116	crHcJW.exe	83
PID 3116 wrote to memory of 4420	3116	crHcJW.exe	83

C:\Users\Admin\AppData\Local\Temp\2024-11-20_692400aebbfd2b85ccfb973825f2aa73_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-20_692400aebbfd2b85ccfb973825f2aa73_smoke-loader_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\crHcJW.exe
  C:\Users\Admin\AppData\Local\Temp\crHcJW.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:3116
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\5e4e6fab.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4420

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\PGH3GSHW\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0B766377.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\5e4e6fab.bat

Filesize
187B

MD5
6b4ccbdb721c99e75b0836b5c696cd19

SHA1
5bf197978f01d3741a01abbf11bd2f156ccd46ba

SHA256
d4a32d683c73096b30acf6e062c40311c61c5011376f3f4d8799a1e6463e5c26

SHA512
d8b8299525782ffe56623d5bbb385a2402a49f83093afbc09a2938adac3f246c4dd17fb5b7d00f0a0f0e9453b311a109ae6a538fb0a93628ee82f82cf859ab06

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1948-0-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/1948-48-0x0000000000400000-0x000000000043B000-memory.dmp

Filesize
236KB

Download
memory/3116-4-0x0000000000E40000-0x0000000000E49000-memory.dmp

Filesize
36KB

Download
memory/3116-46-0x0000000000E40000-0x0000000000E49000-memory.dmp

Filesize
36KB

Download