bdaejec | 63e4eec1191664536b04dd249432a93dbc04a9a1e23c38c425e654979cf94350

Analysis

max time kernel
93s
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
19/11/2024, 17:42

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General

Target

63e4eec1191664536b04dd249432a93dbc04a9a1e23c38c425e654979cf94350.exe
Size

65KB
MD5

4784c1b0e40e1d8ca017fb922d16bbc9
SHA1

e8b555c710039936dd79c6c7afd367dc611167be
SHA256

63e4eec1191664536b04dd249432a93dbc04a9a1e23c38c425e654979cf94350
SHA512

4b3154dadd317ed1d8f600f100de867386e32ae4a66d1dfb2f79ce9f7a9698e29902163a32c73be40973ef6c19a968468f73b95f3cc1465f3e7f5e5ab66e1e72
SSDEEP

768:S5qn4NX7+MbT1y9EG+HOkHmopjtWO3ZCdZP1f8SvnHH5GCQGPL4vzZq2o9W7GsxI:8qn40x9kOkNpjWZP1Vn5GxGCq2iW7z6

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/3916-46-0x0000000000FC0000-0x0000000000FC9000-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/0x000b000000021647-3.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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	atkr.exe

Executes dropped EXE 1 IoCs

pid	Process
3916	atkr.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVLP.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe	atkr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.549981C3F5F10_1.1911.21713.0_x64__8wekyb3d8bbwe\Cortana.exe	atkr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jrunscript.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\PerfBoost.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	atkr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\tnameserv.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jp2launcher.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ONENOTE.EXE	atkr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstat.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\kinit.exe	atkr.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	atkr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeApp.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\Eula.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins\pi_brokers\64BitMAPIBroker.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jjs.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SkypeSrv\SKYPESERVER.EXE	atkr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	atkr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdb.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateCore.exe	atkr.exe
File opened for modification	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe	atkr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.StorePurchaseApp_11811.1001.18.0_x64__8wekyb3d8bbwe\StoreExperienceHost.exe	atkr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxIdentityProvider_12.50.6001.0_x64__8wekyb3d8bbwe\XboxIdp.exe	atkr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.ZuneMusic_10.19071.19011.0_x64__8wekyb3d8bbwe\Music.UI.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javadoc.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\policytool.exe	atkr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.MixedReality.Portal_2000.19081.1301.0_x64__8wekyb3d8bbwe\MixedRealityPortal.Brokered.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	atkr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\wow_helper.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	atkr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\chrmstp.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\rmic.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\LogTransport2.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroTextExtractor.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmid.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Client\AppVDllSurrogate64.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office 15\ClientX64\OfficeClickToRun.exe	atkr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SELFCERT.EXE	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\VPREVIEW.EXE	atkr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\java.exe	atkr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	atkr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\elevation_service.exe	atkr.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\123.0.6312.123\notification_helper.exe	atkr.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	atkr.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	atkr.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32Info.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jsadebugd.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\ORGCHART.EXE	atkr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe	atkr.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	atkr.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	atkr.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	63e4eec1191664536b04dd249432a93dbc04a9a1e23c38c425e654979cf94350.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	atkr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3508 wrote to memory of 3916	3508	63e4eec1191664536b04dd249432a93dbc04a9a1e23c38c425e654979cf94350.exe	84
PID 3508 wrote to memory of 3916	3508	63e4eec1191664536b04dd249432a93dbc04a9a1e23c38c425e654979cf94350.exe	84
PID 3508 wrote to memory of 3916	3508	63e4eec1191664536b04dd249432a93dbc04a9a1e23c38c425e654979cf94350.exe	84
PID 3916 wrote to memory of 1736	3916	atkr.exe	88
PID 3916 wrote to memory of 1736	3916	atkr.exe	88
PID 3916 wrote to memory of 1736	3916	atkr.exe	88

C:\Users\Admin\AppData\Local\Temp\63e4eec1191664536b04dd249432a93dbc04a9a1e23c38c425e654979cf94350.exe
"C:\Users\Admin\AppData\Local\Temp\63e4eec1191664536b04dd249432a93dbc04a9a1e23c38c425e654979cf94350.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3508
- C:\Users\Admin\AppData\Local\Temp\atkr.exe
  C:\Users\Admin\AppData\Local\Temp\atkr.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:3916
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2d663280.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1736

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\8R55UT9S\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\052878BD.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\2d663280.bat

Filesize
183B

MD5
ad693b8c621bd56a9c90768920f87609

SHA1
a58edc084110a5d9e38152ad57cddb54c3d32e66

SHA256
d44f7a556557129d8858282cdb98daf24be97d3c1acd78ef7995ef1631d79c9f

SHA512
75fd979c73efef975a4267079e9ad6bc5183c302d339fafb39a6626a306a39fad64a47dbebb9892f29fe2c963d496e4c4375bf1aaf877945452934fe76c9ccd5

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3508-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3508-48-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/3916-4-0x0000000000FC0000-0x0000000000FC9000-memory.dmp

Filesize
36KB

Download
memory/3916-46-0x0000000000FC0000-0x0000000000FC9000-memory.dmp

Filesize
36KB

Download