bdaejec | be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bce

Analysis

max time kernel
119s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2024, 16:37

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General

Target

be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe
Size

262KB
MD5

cb1ada827628b14def48055d43800ad0
SHA1

f31517f020c0bb0c97ba2238c1b88740cf01ff95
SHA256

be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bce
SHA512

e3dcd3da2d921a386fdf4222cad7decc3089c6a2af44ef7f14c5c782eb2cbcad318ffed6c760111a1ffe1fd30bfbed8e8e4274ee45fe0ba3dedca81f9d8457c4
SSDEEP

6144:v48g+ZmUUWC6kslF7tV51lDqUOXMJlAOsRLypwn0:v48SWC6ksl/laRLCwn

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/3156-47-0x0000000000400000-0x0000000000409000-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/0x000a000000023c09-3.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	vWeuJK.exe

Executes dropped EXE 1 IoCs

pid	Process
3156	vWeuJK.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	vWeuJK.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\View3D.ResourceResolver.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	vWeuJK.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.VP9VideoExtensions_1.0.22681.0_x64__8wekyb3d8bbwe\codecpacks.VP9.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ktab.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	vWeuJK.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	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javah.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	vWeuJK.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	vWeuJK.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	be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vWeuJK.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2176 wrote to memory of 3156	2176	be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe	82
PID 2176 wrote to memory of 3156	2176	be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe	82
PID 2176 wrote to memory of 3156	2176	be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe	82
PID 3156 wrote to memory of 1084	3156	vWeuJK.exe	83
PID 3156 wrote to memory of 1084	3156	vWeuJK.exe	83
PID 3156 wrote to memory of 1084	3156	vWeuJK.exe	83

C:\Users\Admin\AppData\Local\Temp\be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe
"C:\Users\Admin\AppData\Local\Temp\be3531ac4bca4685147844c43584424b6efdd48b4ebf732659fda506f94e8bceN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2176
- C:\Users\Admin\AppData\Local\Temp\vWeuJK.exe
  C:\Users\Admin\AppData\Local\Temp\vWeuJK.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:3156
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\37fb5c39.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1084

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\0GUUC90F\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0DCE2A10.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\37fb5c39.bat

Filesize
187B

MD5
dc62ba414eee11973543a86f367b34bd

SHA1
78469b2636d7a9f4a30daf921bea9cda2d214bb0

SHA256
3095e2567a9ceaf44047ef432c6015f55bf6d2411032b7250558f53bf8aaafa8

SHA512
f5c9f61ad3f404c81aee856b8a97c8d52c83e5dc431d91d60243dc297716b6c969b525cc1165de5e7bd6a8c7fc9012311efe11b29eda13b7e764b96b867e2de8

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2176-0-0x00000000002F0000-0x0000000000337000-memory.dmp

Filesize
284KB

Download
memory/2176-49-0x00000000002F0000-0x0000000000337000-memory.dmp

Filesize
284KB

Download
memory/3156-4-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download
memory/3156-47-0x0000000000400000-0x0000000000409000-memory.dmp

Filesize
36KB

Download