bdaejec | 4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0

Analysis

max time kernel
141s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20250211-en
resource tags

arch:x64arch:x86image:win10v2004-20250211-enlocale:en-usos:windows10-2004-x64system
submitted
14-02-2025 05:26

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General

Target

4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe
Size

948KB
MD5

267081bb9feeb631e66e4b550d52218a
SHA1

384b1ce104f8a71fc668d16d870c30843966905f
SHA256

4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0
SHA512

2f2fd0f4998d56a3301a0792c1bb07bffa7c5d40c92f74cafb692fcf0564b9b713840aa52ae7a6dbad210a1dc97b16d80c4e337722d69f03dcc5817e63842710
SSDEEP

24576:d6tNfSHgPOvaCrfqGo3PnHgKYD0GegB0UBNz+u:G0vaLPAKYQOZNC

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/3064-33-0x0000000000820000-0x0000000000829000-memory.dmp	family_bdaejec_backdoor

Downloads MZ/PE file 1 IoCs

flow	pid	Process
33	1540	Process not Found

ASPack v2.12-2.42 1 IoCs

Detects executables packed with ASPack v2.12-2.42

aspackv2

resource	yara_rule
behavioral2/files/0x000c000000023cdd-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-1-5-21-2656314083-4170277356-267438488-1000\Control Panel\International\Geo\Nation	tmbDro.exe

Executes dropped EXE 1 IoCs

pid	Process
3064	tmbDro.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	tmbDro.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\keytool.exe	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.DBConnection64.exe	tmbDro.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AdobeCollabSync.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\unpack200.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	tmbDro.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxApp_48.49.31001.0_x64__8wekyb3d8bbwe\XboxApp.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{2A638684-1291-40FD-BFAA-F18043B44A02}\chrome_installer.exe	tmbDro.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	tmbDro.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	tmbDro.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOXMLED.EXE	tmbDro.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jjs.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\pack200.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\javacpl.exe	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Smart Tag\SmartTagInstall.exe	tmbDro.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	tmbDro.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Office\Office16\OSPPREARM.EXE	tmbDro.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	tmbDro.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	tmbDro.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	tmbDro.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\pack200.exe	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	tmbDro.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroBroker.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe	tmbDro.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	tmbDro.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	tmbDro.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WINWORD.EXE	tmbDro.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\unpack200.exe	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	tmbDro.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\createdump.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	tmbDro.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 4 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	4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmbDro.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
4432	MicrosoftEdgeUpdate.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1936 wrote to memory of 3064	1936	4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe	87
PID 1936 wrote to memory of 3064	1936	4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe	87
PID 1936 wrote to memory of 3064	1936	4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe	87
PID 3064 wrote to memory of 3652	3064	tmbDro.exe	91
PID 3064 wrote to memory of 3652	3064	tmbDro.exe	91
PID 3064 wrote to memory of 3652	3064	tmbDro.exe	91

C:\Users\Admin\AppData\Local\Temp\4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe
"C:\Users\Admin\AppData\Local\Temp\4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Users\Admin\AppData\Local\Temp\tmbDro.exe
  C:\Users\Admin\AppData\Local\Temp\tmbDro.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:3064
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6bc94d71.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3652

C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
"C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIyIiBpbnN0YWxsZGF0ZXRpbWU9IjE3MzkyODM0MTAiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4Mzc1NTUzNjg2NzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0ODYzODMyODIyIi8-PC9hcHA-PC9yZXF1ZXN0Pg
1⤵
- System Location Discovery: System Language Discovery
- System Network Configuration Discovery: Internet Connection Discovery
PID:4432

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

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\N5X69Y56\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\2A4C5DB8.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\6bc94d71.bat

Filesize
187B

MD5
eb571ecfa9a921fa0d451bae62719898

SHA1
6b764ac9e07b5a62fd6b5d2829ea96e38e023063

SHA256
5ab1772f3d81983e0e675826612e9cc50f387171de34eb70eab8bdcc53d28114

SHA512
cdbbbf6d365eada4ea20ca5ed94798c91451d01553fba6620436037be30559e80bed77612b5cd96735386725b8d53e031bed76303edb812302d1ac41cd800745

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1936-0-0x0000000000400000-0x000000000051E000-memory.dmp

Filesize
1.1MB

Download
memory/1936-7-0x0000000000400000-0x000000000051E000-memory.dmp

Filesize
1.1MB

Download
memory/3064-4-0x0000000000820000-0x0000000000829000-memory.dmp

Filesize
36KB

Download
memory/3064-33-0x0000000000820000-0x0000000000829000-memory.dmp

Filesize
36KB

Download