bdaejec | f3bc13d7857a6dc5ae83d04b0f125f2246422b589961dfcbaa4087f1e3fc9bed

Analysis

max time kernel
106s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-10-2024 17:08

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General

Target

f3bc13d7857a6dc5ae83d04b0f125f2246422b589961dfcbaa4087f1e3fc9bedN.exe
Size

52KB
MD5

0d152a0f4e4ddb9d5f009dd02f4b4320
SHA1

3c43fc8c1d8d3e0a82357fb76b3052fe8db35e01
SHA256

f3bc13d7857a6dc5ae83d04b0f125f2246422b589961dfcbaa4087f1e3fc9bed
SHA512

9f34bfa8203d12e2796f52011bb3164a9d0d24122f984f3323de11de4bff675c4cb200b2c619fdddb8e1127e7dc9479f775b7d913ed80745c235515a08651014
SSDEEP

768:QVMe3Vk9haLNFZ131W8g/ReQGPL4vzZq2o9W7GsxBbPr:uMASiLNFZdO/RlGCq2iW7z

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/5108-49-0x0000000000B30000-0x0000000000B39000-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/0x000c000000023b10-3.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:

eRELly.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	eRELly.exe

Executes dropped EXE 1 IoCs

Processes:

eRELly.exe

pid	Process
5108	eRELly.exe

Drops file in Program Files directory 64 IoCs

Processes:

eRELly.exe

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PPTICO.EXE	eRELly.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\WhatsNew.Store.exe	eRELly.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	eRELly.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	eRELly.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	eRELly.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	eRELly.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\POWERPNT.EXE	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javapackager.exe	eRELly.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	eRELly.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	eRELly.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebpImageExtension_1.0.22753.0_x64__8wekyb3d8bbwe\codecpacks.webp.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	eRELly.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	eRELly.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	eRELly.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE	eRELly.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	eRELly.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	eRELly.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaw.exe	eRELly.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	eRELly.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\java.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	eRELly.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	eRELly.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\32BitMAPIBroker.exe	eRELly.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jabswitch.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jjs.exe	eRELly.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\XLICONS.EXE	eRELly.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\SPREADSHEETCOMPARE.EXE	eRELly.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	eRELly.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.0.30251.0_x64__8wekyb3d8bbwe\AppInstallerPythonRedirector.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	eRELly.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	eRELly.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\klist.exe	eRELly.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	eRELly.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\FullTrustNotifier.exe	eRELly.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	eRELly.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOUC.EXE	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	eRELly.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	eRELly.exe
File opened for modification	C:\Program Files\Windows Security\BrowserCore\BrowserCore.exe	eRELly.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.GetHelp_10.1706.13331.0_x64__8wekyb3d8bbwe\GetHelp.exe	eRELly.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	eRELly.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	eRELly.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoev.exe	eRELly.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	eRELly.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroLayoutRecognizer\AcroLayoutRecognizer.exe	eRELly.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	eRELly.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_pwa_launcher.exe	eRELly.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	eRELly.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	eRELly.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	eRELly.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:

eRELly.execmd.exef3bc13d7857a6dc5ae83d04b0f125f2246422b589961dfcbaa4087f1e3fc9bedN.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eRELly.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f3bc13d7857a6dc5ae83d04b0f125f2246422b589961dfcbaa4087f1e3fc9bedN.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

f3bc13d7857a6dc5ae83d04b0f125f2246422b589961dfcbaa4087f1e3fc9bedN.exeeRELly.exe

description	pid	Process	procid_target
PID 2208 wrote to memory of 5108	2208	f3bc13d7857a6dc5ae83d04b0f125f2246422b589961dfcbaa4087f1e3fc9bedN.exe	85
PID 2208 wrote to memory of 5108	2208	f3bc13d7857a6dc5ae83d04b0f125f2246422b589961dfcbaa4087f1e3fc9bedN.exe	85
PID 2208 wrote to memory of 5108	2208	f3bc13d7857a6dc5ae83d04b0f125f2246422b589961dfcbaa4087f1e3fc9bedN.exe	85
PID 5108 wrote to memory of 1196	5108	eRELly.exe	88
PID 5108 wrote to memory of 1196	5108	eRELly.exe	88
PID 5108 wrote to memory of 1196	5108	eRELly.exe	88

C:\Users\Admin\AppData\Local\Temp\f3bc13d7857a6dc5ae83d04b0f125f2246422b589961dfcbaa4087f1e3fc9bedN.exe
"C:\Users\Admin\AppData\Local\Temp\f3bc13d7857a6dc5ae83d04b0f125f2246422b589961dfcbaa4087f1e3fc9bedN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Users\Admin\AppData\Local\Temp\eRELly.exe
  C:\Users\Admin\AppData\Local\Temp\eRELly.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:5108
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\489c7b25.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1196

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\FQRZN8O7\k1[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\1B0334DB.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\489c7b25.bat

Filesize
187B

MD5
f34d96095d78efb4414e50d246db72e5

SHA1
070c74812a038c96291de9f215a99343b6e190ae

SHA256
5edebc8a3b40c7609ea4c22973d9c7f1505867beb9bce7f7fa2b293d0bc43088

SHA512
7692d81bb8e96161d255e70fc7daac20c06b8dc398955109c61580d87b30000b9e2861a6aea8a5643a65e209ec5a66576e2fcf683fa78399c0d8f4c01556a09f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2208-0-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/2208-7-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/5108-4-0x0000000000B30000-0x0000000000B39000-memory.dmp

Filesize
36KB

Download
memory/5108-49-0x0000000000B30000-0x0000000000B39000-memory.dmp

Filesize
36KB

Download