bdaejec | cc490c5c919c9f04976a30ce6e006784a88e1b8066f72ee53f4bbb4b316f9d29

Analysis

max time kernel
96s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 00:30

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General

Target

cc490c5c919c9f04976a30ce6e006784a88e1b8066f72ee53f4bbb4b316f9d29N.exe
Size

52KB
MD5

cfe33c680fe739a357416c3e2e6b0900
SHA1

3bac97f53a9c2e40639fff54f0664930fcef721b
SHA256

cc490c5c919c9f04976a30ce6e006784a88e1b8066f72ee53f4bbb4b316f9d29
SHA512

db5d836fb0fa58f89cc2716bfa33e903215e14d19ccf25b9378ecf3a426b033935cd3dd6210c66ddaaef4c3b222231078f9366b97659c65dc4f0fbed14e73fa2
SSDEEP

768:QVMe3Vk9haLNFZ131W8g/MRQGPL4vzZq2o9W7GsxBbPr:uMASiLNFZdO/MWGCq2iW7z

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/1644-46-0x00000000009F0000-0x00000000009F9000-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/0x0009000000023c64-3.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	SIyg.exe

Executes dropped EXE 1 IoCs

pid	Process
1644	SIyg.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	SIyg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	SIyg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstaller.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	SIyg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	SIyg.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jinfo.exe	SIyg.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	SIyg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	SIyg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	SIyg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	SIyg.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	SIyg.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	SIyg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	SIyg.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrCEF.exe	SIyg.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	SIyg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	SIyg.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	SIyg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	SIyg.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	SIyg.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	SIyg.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	SIyg.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	SIyg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	SIyg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	SIyg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	SIyg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	SIyg.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	SIyg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	SIyg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	SIyg.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\keytool.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	SIyg.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	SIyg.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	SIyg.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	SIyg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	SIyg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	SIyg.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	SIyg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	SIyg.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	SIyg.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	SIyg.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	SIyg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\excelcnv.exe	SIyg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\protocolhandler.exe	SIyg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	SIyg.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\filecompare.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	SIyg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	SIyg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	SIyg.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	SIyg.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	SIyg.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	cc490c5c919c9f04976a30ce6e006784a88e1b8066f72ee53f4bbb4b316f9d29N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SIyg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4860 wrote to memory of 1644	4860	cc490c5c919c9f04976a30ce6e006784a88e1b8066f72ee53f4bbb4b316f9d29N.exe	85
PID 4860 wrote to memory of 1644	4860	cc490c5c919c9f04976a30ce6e006784a88e1b8066f72ee53f4bbb4b316f9d29N.exe	85
PID 4860 wrote to memory of 1644	4860	cc490c5c919c9f04976a30ce6e006784a88e1b8066f72ee53f4bbb4b316f9d29N.exe	85
PID 1644 wrote to memory of 712	1644	SIyg.exe	86
PID 1644 wrote to memory of 712	1644	SIyg.exe	86
PID 1644 wrote to memory of 712	1644	SIyg.exe	86

C:\Users\Admin\AppData\Local\Temp\cc490c5c919c9f04976a30ce6e006784a88e1b8066f72ee53f4bbb4b316f9d29N.exe
"C:\Users\Admin\AppData\Local\Temp\cc490c5c919c9f04976a30ce6e006784a88e1b8066f72ee53f4bbb4b316f9d29N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4860
- C:\Users\Admin\AppData\Local\Temp\SIyg.exe
  C:\Users\Admin\AppData\Local\Temp\SIyg.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:1644
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3d67183a.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:712

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\3d67183a.bat

Filesize
183B

MD5
603cd84e2d1125663a2a7746309beb02

SHA1
84c2a20ffa12212669edf8581558318e95dac9a4

SHA256
bcf320fcc640554396a2d602e19935e99bdfb939c4045edbb041212233a5bdd7

SHA512
0cecc7bafc593cea6358cee6baa209a0c5f1a901ef49a29af59f9b40348dcbe2fa55909e1d22e2695e5083541bf2f70ed2fc3af15f9d88e523bdd8785a02fabb

Download Submit
C:\Users\Admin\AppData\Local\Temp\5D5B0E53.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1644-5-0x00000000009F0000-0x00000000009F9000-memory.dmp

Filesize
36KB

Download
memory/1644-46-0x00000000009F0000-0x00000000009F9000-memory.dmp

Filesize
36KB

Download
memory/4860-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4860-7-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download