bdaejec | da6585e8b34d370c9ed80329f6691a0ea3379ecdb267f64574f03232623dd2f8

Analysis

max time kernel
93s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30/11/2024, 13:47

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General

Target

a855fa52c07ea362123e8cd9fd293824a46fac160c88819aae2cb4212b63bec4.exe
Size

2.3MB
MD5

339d10e5c34d820024d08ddafee21b52
SHA1

97037d550aa84387147267bcb23f9de34ce19da3
SHA256

a855fa52c07ea362123e8cd9fd293824a46fac160c88819aae2cb4212b63bec4
SHA512

17e1d3652845afc9c8d19e9cb76d1ce65968290db7b66ed7d05290d2b27395ccf64a76eb021935b88aea23eec8e86653906915406a0d9b02973576b62400bc66
SSDEEP

49152:HtNUaQsh3Ss/flyXP8BnzoVPgfpQO21F8k:HtNUA3vlyXPE0qR

Score

10^/10

bdaejec blacksuit_windows aspackv2 backdoor discovery ransomware

Malware Config

Extracted

Family

bdaejec

ddos.dnsnb8.net

Signatures

Bdaejec
Bdaejec is a backdoor written in C++.
backdoor bdaejec
Bdaejec family
bdaejec
BlackSuit
A ransomware first detected in May 2023 linked to the Conti group.
ransomware blacksuit_windows
Blacksuit_windows family
blacksuit_windows

Detects Bdaejec Backdoor. 1 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral2/memory/2704-49-0x0000000000040000-0x0000000000049000-memory.dmp	family_bdaejec_backdoor

Detects the Windows variant of BlackSuit Ransomware 2 IoCs

resource	yara_rule
behavioral2/memory/4552-0-0x0000000000190000-0x00000000003DB000-memory.dmp	family_blacksuit_windows
behavioral2/memory/4552-7-0x0000000000190000-0x00000000003DB000-memory.dmp	family_blacksuit_windows

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000a000000021649-3.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	jcPL.exe

Executes dropped EXE 1 IoCs

pid	Process
2704	jcPL.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	jcPL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	jcPL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	jcPL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	jcPL.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	jcPL.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	jcPL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	jcPL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	jcPL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	jcPL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	jcPL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	jcPL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	jcPL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\misc.exe	jcPL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSYNC.EXE	jcPL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\officeappguardwin32.exe	jcPL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	jcPL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	jcPL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	jcPL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	jcPL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PDFREFLOW.EXE	jcPL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	jcPL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	jcPL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Browser\WCChromeExtn\WCChromeNativeMessagingHost.exe	jcPL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Microsoft3DViewer_6.1908.2042.0_x64__8wekyb3d8bbwe\3DViewer.exe	jcPL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	jcPL.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	jcPL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	jcPL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	jcPL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\policytool.exe	jcPL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	jcPL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	jcPL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	jcPL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	jcPL.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	jcPL.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	jcPL.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	jcPL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	jcPL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	jcPL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	jcPL.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	jcPL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	jcPL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	jcPL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	jcPL.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	jcPL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	jcPL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	jcPL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	jcPL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	jcPL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Windows.Photos_2019.19071.12548.0_x64__8wekyb3d8bbwe\Microsoft.Photos.exe	jcPL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	jcPL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe	jcPL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Microsoft.MicrosoftSolitaireCollection.exe	jcPL.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{F123CA10-B28F-434D-9884-6C3679B73C43}\chrome_installer.exe	jcPL.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	jcPL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	jcPL.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	jcPL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	jcPL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	jcPL.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneVideo_10.19071.19011.0_x64__8wekyb3d8bbwe\Video.UI.exe	jcPL.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	jcPL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	jcPL.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	jcPL.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	jcPL.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	jcPL.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	a855fa52c07ea362123e8cd9fd293824a46fac160c88819aae2cb4212b63bec4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jcPL.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4552 wrote to memory of 2704	4552	a855fa52c07ea362123e8cd9fd293824a46fac160c88819aae2cb4212b63bec4.exe	83
PID 4552 wrote to memory of 2704	4552	a855fa52c07ea362123e8cd9fd293824a46fac160c88819aae2cb4212b63bec4.exe	83
PID 4552 wrote to memory of 2704	4552	a855fa52c07ea362123e8cd9fd293824a46fac160c88819aae2cb4212b63bec4.exe	83
PID 2704 wrote to memory of 1100	2704	jcPL.exe	84
PID 2704 wrote to memory of 1100	2704	jcPL.exe	84
PID 2704 wrote to memory of 1100	2704	jcPL.exe	84

C:\Users\Admin\AppData\Local\Temp\a855fa52c07ea362123e8cd9fd293824a46fac160c88819aae2cb4212b63bec4.exe
"C:\Users\Admin\AppData\Local\Temp\a855fa52c07ea362123e8cd9fd293824a46fac160c88819aae2cb4212b63bec4.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4552
- C:\Users\Admin\AppData\Local\Temp\jcPL.exe
  C:\Users\Admin\AppData\Local\Temp\jcPL.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:2704
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\4b850789.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1100

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\8R55UT9S\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\4b850789.bat

Filesize
183B

MD5
3c36aa62b0deeeaf3fbfdca19561d577

SHA1
d57853a9f293b88056c8add925a54ba1bd368636

SHA256
373cf7a7e82c2f803558f64d22b5451b2e97f78b161d5c2579a49c6dfaa09d60

SHA512
1ef7f9c8b3b5ae0f88c1b61f5438c635474b02606bf1c9a2e81ec212e4513756234af86c84ba9e97978c2f9e538afc0128e8750b0de16a167df6e06815a05b03

Download Submit
C:\Users\Admin\AppData\Local\Temp\791F4AB9.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2704-4-0x0000000000040000-0x0000000000049000-memory.dmp

Filesize
36KB

Download
memory/2704-49-0x0000000000040000-0x0000000000049000-memory.dmp

Filesize
36KB

Download
memory/4552-0-0x0000000000190000-0x00000000003DB000-memory.dmp

Filesize
2.3MB

Download
memory/4552-7-0x0000000000190000-0x00000000003DB000-memory.dmp

Filesize
2.3MB

Download