bdaejec | 1b27d568e090c376a9afdc08dc0a18b4d0fe12d10b3f4f6e37cb4ddd4de86f2e

Analysis

max time kernel
104s
max time network
104s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-10-2024 14:35

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General

Target

1b27d568e090c376a9afdc08dc0a18b4d0fe12d10b3f4f6e37cb4ddd4de86f2eN.exe
Size

96KB
MD5

f8de2772a14f7aba72f1a8768ca84b80
SHA1

3c80b9317399f19b3ec89f0ad7fe93e65d574739
SHA256

1b27d568e090c376a9afdc08dc0a18b4d0fe12d10b3f4f6e37cb4ddd4de86f2e
SHA512

5bd6c6af543134b0434def62bfad6d12b43584e9cada6b69a57da47b18079420300beff84cbb4567bd89eea67f1f004a96e1abb8464e0addbadd87b05c79fe70
SSDEEP

1536:pECLKU4+dwC/p0cQ7ZCAINqPDHuXnvE0oK1eMGCq2iW7z:pJLrp0cQ7QAINqPDHQncAGCH

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/4232-29-0x00000000006D0000-0x00000000006D9000-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/0x000c000000023b93-3.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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	mtGVKw.exe

Executes dropped EXE 1 IoCs

pid	Process
4232	mtGVKw.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MSPaint_6.1907.29027.0_x64__8wekyb3d8bbwe\PaintStudio.View.exe	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	mtGVKw.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	mtGVKw.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.BingWeather_4.25.20211.0_x64__8wekyb3d8bbwe\Microsoft.Msn.Weather.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	mtGVKw.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	mtGVKw.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdate.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	mtGVKw.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	mtGVKw.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javaw.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jhat.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCamera_2018.826.98.0_x64__8wekyb3d8bbwe\WindowsCamera.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\orbd.exe	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Office.OneNote_16001.12026.20112.0_x64__8wekyb3d8bbwe\onenoteshare.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Addons\OneDriveSetup.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxAccounts.exe	mtGVKw.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	mtGVKw.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.HEIFImageExtension_1.0.22742.0_x64__8wekyb3d8bbwe\codecpacks.heif.exe	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\servertool.exe	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftStickyNotes_3.6.73.0_x64__8wekyb3d8bbwe\Microsoft.Notes.exe	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGameOverlay_1.46.11001.0_x64__8wekyb3d8bbwe\GameBar.exe	mtGVKw.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	mtGVKw.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	mtGVKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsAlarms_10.1906.2182.0_x64__8wekyb3d8bbwe\Time.exe	mtGVKw.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	mtGVKw.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateBroker.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	mtGVKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	mtGVKw.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	mtGVKw.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\createdump.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmiregistry.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX45.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\serialver.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	mtGVKw.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	mtGVKw.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	mtGVKw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1b27d568e090c376a9afdc08dc0a18b4d0fe12d10b3f4f6e37cb4ddd4de86f2eN.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 4232	1732	1b27d568e090c376a9afdc08dc0a18b4d0fe12d10b3f4f6e37cb4ddd4de86f2eN.exe	84
PID 1732 wrote to memory of 4232	1732	1b27d568e090c376a9afdc08dc0a18b4d0fe12d10b3f4f6e37cb4ddd4de86f2eN.exe	84
PID 1732 wrote to memory of 4232	1732	1b27d568e090c376a9afdc08dc0a18b4d0fe12d10b3f4f6e37cb4ddd4de86f2eN.exe	84
PID 4232 wrote to memory of 4628	4232	mtGVKw.exe	99
PID 4232 wrote to memory of 4628	4232	mtGVKw.exe	99
PID 4232 wrote to memory of 4628	4232	mtGVKw.exe	99

C:\Users\Admin\AppData\Local\Temp\1b27d568e090c376a9afdc08dc0a18b4d0fe12d10b3f4f6e37cb4ddd4de86f2eN.exe
"C:\Users\Admin\AppData\Local\Temp\1b27d568e090c376a9afdc08dc0a18b4d0fe12d10b3f4f6e37cb4ddd4de86f2eN.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\mtGVKw.exe
  C:\Users\Admin\AppData\Local\Temp\mtGVKw.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:4232
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\095f44af.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:4628

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\M6JHG9EK\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\095f44af.bat

Filesize
187B

MD5
15c27848348d58d7fd76bad014efe2cd

SHA1
b109bcd1e463bdefdb47e1062b9a44b2ac253b04

SHA256
ad6903d8981f0ba1d38a6a70dfe4fd1ab368446f0164ab02424d207c4eb2be8a

SHA512
7f798f93b2a36e0572ec2cf040f445bd6571148c99ce27256abcbe368a8e6a304ce529c3abddaac7e762e2c089b898277f007fe16bf2811851baaf2e80036258

Download Submit
C:\Users\Admin\AppData\Local\Temp\46BA5C5C.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1732-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1732-7-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/4232-4-0x00000000006D0000-0x00000000006D9000-memory.dmp

Filesize
36KB

Download
memory/4232-29-0x00000000006D0000-0x00000000006D9000-memory.dmp

Filesize
36KB

Download