bdaejec | c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2

Analysis

max time kernel
107s
max time network
111s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-11-2024 22:02

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General

Target

c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe
Size

80KB
MD5

144cfb18e4f6c0f5167b6d3223826370
SHA1

e93f4b5be2a7009fa1e39b13cdf13fc93d241a84
SHA256

c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2
SHA512

5646a6c6323698f98bea1a7b437fac8512b6c2ba817ef0d7e7ce3c8e259e208e90d5271796fe3f42ada63aad4306d23ef1b89ed634c9e835c668edc8e74601d4
SSDEEP

1536:2HB0UxMkzOt7HcvJGt5AdHIOWnToIf12ZqlGCq2iW7z:2hAWJGSCTBf12ZqGCH

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++.

Processes:

resource	yara_rule
behavioral2/memory/1632-46-0x00000000004C0000-0x00000000004C9000-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
behavioral2/files/0x000c000000023b3c-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

Processes:

CeHfbB.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	CeHfbB.exe

Executes dropped EXE 1 IoCs

Processes:

CeHfbB.exe

pid	Process
1632	CeHfbB.exe

Drops file in Program Files directory 64 IoCs

Processes:

CeHfbB.exe

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	CeHfbB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	CeHfbB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	CeHfbB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	CeHfbB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	CeHfbB.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	CeHfbB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	CeHfbB.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	CeHfbB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	CeHfbB.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	CeHfbB.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	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\OLicenseHeartbeat.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	CeHfbB.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	CeHfbB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	CeHfbB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	CeHfbB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	CeHfbB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	CeHfbB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	CeHfbB.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	CeHfbB.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:

c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exeCeHfbB.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CeHfbB.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exeCeHfbB.exe

description	pid	Process	procid_target
PID 3512 wrote to memory of 1632	3512	c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe	84
PID 3512 wrote to memory of 1632	3512	c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe	84
PID 3512 wrote to memory of 1632	3512	c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe	84
PID 1632 wrote to memory of 4336	1632	CeHfbB.exe	89
PID 1632 wrote to memory of 4336	1632	CeHfbB.exe	89
PID 1632 wrote to memory of 4336	1632	CeHfbB.exe	89

C:\Users\Admin\AppData\Local\Temp\c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe
"C:\Users\Admin\AppData\Local\Temp\c531c610426491ffd4bd260f9e282df24cac0d1c76cec77984ea68a6970cf2a2N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3512
- C:\Users\Admin\AppData\Local\Temp\CeHfbB.exe
  C:\Users\Admin\AppData\Local\Temp\CeHfbB.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:1632
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\19522d9d.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4336

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\XH3Z2ZON\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0D42718D.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\19522d9d.bat

Filesize
187B

MD5
8ca09ddf59baa6e9807a8fb06f5f77e3

SHA1
85f64d5549f7440b151c0fa96b05d635eec63180

SHA256
e9d378dbaf805d887564bb2b452a134e615dccd3f4a7fba15cd77fb50b01f7aa

SHA512
22941ce59d3c1c0e6c72309096f02418409d65cd4ad5561a2fe65a3968ee3ec10ad40eb864cd41ec9d48e8d64e7d13f85c73f3215f8ac11b4d2d3e232bb30061

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1632-4-0x00000000004C0000-0x00000000004C9000-memory.dmp

Filesize
36KB

Download
memory/1632-46-0x00000000004C0000-0x00000000004C9000-memory.dmp

Filesize
36KB

Download
memory/3512-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3512-48-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download