bdaejec | 8fb21da485e1e69b887ebf7702d578138fae07852c863828bab2261a83db75e0

Analysis

max time kernel
91s
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
09/11/2024, 18:31

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General

Target

2024-11-09_4f0a7d2f975af5ce73f59615da313bbe_avoslocker_cobalt-strike_luca-stealer_wapomi.exe
Size

164KB
MD5

4f0a7d2f975af5ce73f59615da313bbe
SHA1

0dad9a866dfc7a3476ccc3d2212c1736a37e4849
SHA256

8fb21da485e1e69b887ebf7702d578138fae07852c863828bab2261a83db75e0
SHA512

a579e2c4f7d52d95bad523ab94872fd66a938273850521f730722108c1b4f8f13d6121691b3f7203fe1d6466b73bbe7359f96141b53f46ab56eb058ca4b134cc
SSDEEP

3072:h8nH9j2ziuvAaIBlCn24Rc4Yn0NJKckH2Fe7E29A/zdGt69heo4JMGCH:hyR2zi7ajvRcGLKZH2FaLw9hH4JR

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/3532-46-0x0000000000510000-0x0000000000519000-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	CdahltaP.exe

Executes dropped EXE 1 IoCs

pid	Process
3532	CdahltaP.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ssvagent.exe	CdahltaP.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	CdahltaP.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	CdahltaP.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	CdahltaP.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	CdahltaP.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteim.exe	CdahltaP.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\appletviewer.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	CdahltaP.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	CdahltaP.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	CdahltaP.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javaws.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.Loader.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	CdahltaP.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	CdahltaP.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ScreenSketch_10.1907.2471.0_x64__8wekyb3d8bbwe\ScreenSketch.exe	CdahltaP.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	CdahltaP.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	CdahltaP.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	CdahltaP.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	CdahltaP.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	CdahltaP.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	CdahltaP.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	CdahltaP.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	CdahltaP.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	CdahltaP.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	CdahltaP.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	2024-11-09_4f0a7d2f975af5ce73f59615da313bbe_avoslocker_cobalt-strike_luca-stealer_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CdahltaP.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2844 wrote to memory of 3532	2844	2024-11-09_4f0a7d2f975af5ce73f59615da313bbe_avoslocker_cobalt-strike_luca-stealer_wapomi.exe	85
PID 2844 wrote to memory of 3532	2844	2024-11-09_4f0a7d2f975af5ce73f59615da313bbe_avoslocker_cobalt-strike_luca-stealer_wapomi.exe	85
PID 2844 wrote to memory of 3532	2844	2024-11-09_4f0a7d2f975af5ce73f59615da313bbe_avoslocker_cobalt-strike_luca-stealer_wapomi.exe	85
PID 3532 wrote to memory of 4424	3532	CdahltaP.exe	89
PID 3532 wrote to memory of 4424	3532	CdahltaP.exe	89
PID 3532 wrote to memory of 4424	3532	CdahltaP.exe	89

C:\Users\Admin\AppData\Local\Temp\2024-11-09_4f0a7d2f975af5ce73f59615da313bbe_avoslocker_cobalt-strike_luca-stealer_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-09_4f0a7d2f975af5ce73f59615da313bbe_avoslocker_cobalt-strike_luca-stealer_wapomi.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2844
- C:\Users\Admin\AppData\Local\Temp\CdahltaP.exe
  C:\Users\Admin\AppData\Local\Temp\CdahltaP.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:3532
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\294b46f2.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4424

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\09A30D2F.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\294b46f2.bat

Filesize
191B

MD5
e26504fea1330b1002100ebd59fbc13e

SHA1
7f1b1134d9f3714351d29c6f0a1c3f8bf5aff8c7

SHA256
fd759b0e0e1d5c64e83cfcf0bbfa65a5c498309ba23880a9611b86de2c36d83a

SHA512
e3b3c518620b1458317fa69b4b86e0157abeb09fcb5529c9b588f0b6e77da9f1bec2c7b7e4d8c247d03732dc3cf238bef21c0e4b46ef2a7fe91752078c661ee5

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2844-0-0x0000000000F20000-0x0000000000F50000-memory.dmp

Filesize
192KB

Download
memory/2844-48-0x0000000000F20000-0x0000000000F50000-memory.dmp

Filesize
192KB

Download
memory/3532-4-0x0000000000510000-0x0000000000519000-memory.dmp

Filesize
36KB

Download
memory/3532-46-0x0000000000510000-0x0000000000519000-memory.dmp

Filesize
36KB

Download