bdaejec | 5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34

Analysis

max time kernel
106s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
28-12-2024 17:44

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General

Target

5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34.exe
Size

12.0MB
MD5

94c3fbd89d3a3f6958bdcceb7e5f4a90
SHA1

8759405cdb47491f8bb049f90dea7bd4bd473d49
SHA256

5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34
SHA512

6fec5d0192abe09422b0c4376d5ee9493a484fa03f1d6d5b6582cae2bb7caa4f21c73a12aae0ac32601e11e38d3a8df98b7f8f6ab20fa5bac7231887e544e8b5
SSDEEP

49152:s/KE1ld3/wAyJxVZp2bnbJ5eA+zlFTCTMqQ:s/KU9/pyJx9Y5el50T

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/5116-10-0x0000000000040000-0x0000000000049000-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/0x000c000000023b15-2.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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	PUTYqA.exe

Executes dropped EXE 1 IoCs

pid	Process
5116	PUTYqA.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX86\Microsoft Shared\EQUATION\eqnedt32.exe	PUTYqA.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	PUTYqA.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	PUTYqA.exe
File opened for modification	C:\Program Files\dotnet\dotnet.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\keytool.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\Wordconv.exe	PUTYqA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\pack200.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOHTMED.EXE	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	PUTYqA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	PUTYqA.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	PUTYqA.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	PUTYqA.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	PUTYqA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	PUTYqA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\native2ascii.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	PUTYqA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaws.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection.exe	PUTYqA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	PUTYqA.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\IEContentService.exe	PUTYqA.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	PUTYqA.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	PUTYqA.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\idlj.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsimport.exe	PUTYqA.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\NAMECONTROLSERVER.EXE	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\CLVIEW.EXE	PUTYqA.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	PUTYqA.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	PUTYqA.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftOfficeHub_18.1903.1152.0_x64__8wekyb3d8bbwe\LocalBridge.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	PUTYqA.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	PUTYqA.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PUTYqA.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4912	5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4912	5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34.exe
4912	5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34.exe
4912	5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4912 wrote to memory of 5116	4912	5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34.exe	83
PID 4912 wrote to memory of 5116	4912	5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34.exe	83
PID 4912 wrote to memory of 5116	4912	5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34.exe	83
PID 5116 wrote to memory of 1552	5116	PUTYqA.exe	102
PID 5116 wrote to memory of 1552	5116	PUTYqA.exe	102
PID 5116 wrote to memory of 1552	5116	PUTYqA.exe	102

C:\Users\Admin\AppData\Local\Temp\5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34.exe
"C:\Users\Admin\AppData\Local\Temp\5a1303406e9199d185931b525371923de77dbd4ecbde7e91db68eb8b72266c34.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4912
- C:\Users\Admin\AppData\Local\Temp\PUTYqA.exe
  C:\Users\Admin\AppData\Local\Temp\PUTYqA.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:5116
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\128b78f3.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1552

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\Temp\128b78f3.bat

Filesize
187B

MD5
ebb643c65b02de1e2a96a01ed3e03b02

SHA1
8b3f0d56b1595a8c6a80c169a546ec5775e883df

SHA256
7a15f4c81c1fc51726e63213daa86cfbe6122b939f543ce2eeba6d52570a2461

SHA512
31fc55918e495c318d8a1fa465445b3123a62ca62632bd6ba2a21e668525011feadfab55910b413613ecabd86e649ab78eae7d4804f25f1326cc4dbba733fb0b

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/4912-3-0x00000000003A0000-0x0000000001001000-memory.dmp

Filesize
12.4MB

Download
memory/4912-8-0x0000000003860000-0x0000000003960000-memory.dmp

Filesize
1024KB

Download
memory/4912-9-0x00000000003A0000-0x0000000001001000-memory.dmp

Filesize
12.4MB

Download
memory/4912-11-0x0000000003860000-0x0000000003960000-memory.dmp

Filesize
1024KB

Download
memory/5116-4-0x0000000000040000-0x0000000000049000-memory.dmp

Filesize
36KB

Download
memory/5116-10-0x0000000000040000-0x0000000000049000-memory.dmp

Filesize
36KB

Download