bdaejec | de3eefc014a4adea607db9a6d442ef74ab7dfb40d63cf0a4a48649fffb895ae2

Analysis

max time kernel
119s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2024, 11:43

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General

Target

de3eefc014a4adea607db9a6d442ef74ab7dfb40d63cf0a4a48649fffb895ae2.exe
Size

262KB
MD5

d227212c5c13eed0a3038c95be2b396f
SHA1

ed4a99a7cfecb60ea7377e349f820038204c33c9
SHA256

de3eefc014a4adea607db9a6d442ef74ab7dfb40d63cf0a4a48649fffb895ae2
SHA512

d5ebc5b5f7432630472495af38091d39ba00ef5ed5be34732375038514ee4440481baa3f72b11cabe09ca7cfdac7ca3b34a96c93673e80cee95dd4ea9ba7572f
SSDEEP

6144:v48g+ZmUUWC6kslF7tV51lDqUOXMJlAOsRLypwn0v:v48SWC6ksl/laRLCwno

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/1264-47-0x0000000000EF0000-0x0000000000EF9000-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/0x000c000000023b37-3.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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	vWeuJK.exe

Executes dropped EXE 1 IoCs

pid	Process
1264	vWeuJK.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\policytool.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate32.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelperBgt.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\AppSharingHookController.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler.exe	vWeuJK.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java-rmi.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\wsgen.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxGamingOverlay_2.34.28001.0_x64__8wekyb3d8bbwe\GameBar.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\orbd.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MicrosoftSolitaireCollection_4.4.8204.0_x64__8wekyb3d8bbwe\Solitaire.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\Source Engine\OSE.EXE	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javac.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\klist.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\servertool.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msotd.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\tnameserv.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	vWeuJK.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jmap.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	vWeuJK.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTEM.EXE	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\servertool.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsStore_11910.1002.5.0_x64__8wekyb3d8bbwe\WinStore.App.exe	vWeuJK.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	vWeuJK.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\extcheck.exe	vWeuJK.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	vWeuJK.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	de3eefc014a4adea607db9a6d442ef74ab7dfb40d63cf0a4a48649fffb895ae2.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3088 wrote to memory of 1264	3088	de3eefc014a4adea607db9a6d442ef74ab7dfb40d63cf0a4a48649fffb895ae2.exe	83
PID 3088 wrote to memory of 1264	3088	de3eefc014a4adea607db9a6d442ef74ab7dfb40d63cf0a4a48649fffb895ae2.exe	83
PID 3088 wrote to memory of 1264	3088	de3eefc014a4adea607db9a6d442ef74ab7dfb40d63cf0a4a48649fffb895ae2.exe	83
PID 1264 wrote to memory of 2636	1264	vWeuJK.exe	84
PID 1264 wrote to memory of 2636	1264	vWeuJK.exe	84
PID 1264 wrote to memory of 2636	1264	vWeuJK.exe	84

C:\Users\Admin\AppData\Local\Temp\de3eefc014a4adea607db9a6d442ef74ab7dfb40d63cf0a4a48649fffb895ae2.exe
"C:\Users\Admin\AppData\Local\Temp\de3eefc014a4adea607db9a6d442ef74ab7dfb40d63cf0a4a48649fffb895ae2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3088
- C:\Users\Admin\AppData\Local\Temp\vWeuJK.exe
  C:\Users\Admin\AppData\Local\Temp\vWeuJK.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:1264
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\6b345074.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2636

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\XH3Z2ZON\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\475462A8.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\6b345074.bat

Filesize
187B

MD5
0e3568d3eaf215a297fc39f0e81d15f7

SHA1
5388a69ff3948d7a705b546e74740d8fba9a100c

SHA256
e42cbd66c1b35721210502f55090ec03130a74dddb35af93645e87c791111544

SHA512
30760cad79f747ac235460af3280b50600fa9afb45a1371ee666e64b24a61f1aeca3b39c0263a08743c1dc0d72570e0810875ced8ae645e06cacc3c92476fdb4

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1264-4-0x0000000000EF0000-0x0000000000EF9000-memory.dmp

Filesize
36KB

Download
memory/1264-47-0x0000000000EF0000-0x0000000000EF9000-memory.dmp

Filesize
36KB

Download
memory/3088-0-0x0000000000950000-0x0000000000997000-memory.dmp

Filesize
284KB

Download
memory/3088-49-0x0000000000950000-0x0000000000997000-memory.dmp

Filesize
284KB

Download