bdaejec | 3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4

General

Target

3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exe
Size

8.5MB
MD5

5e3dbd75bcf8850aa276499f1e24aa10
SHA1

a889bb78b7b88187df92334bea63c207e90f0966
SHA256

3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4
SHA512

3d0aabda32693eff29eb9955e13eebc8294c6125f5d08a321bfe09630d8293afa78e3bdd16f6148eb96d16d512fe13c4fe70314f32e59614dd158d23b93ac15f
SSDEEP

196608:eFHo96JT/fhnvFqTfgpY4dBe62HcIrt0OmQwPKIwkQ:eFHo9YT3NFqjaBe6dIhbSok

Score

10^/10

bdaejec aspackv2 backdoor discovery

Malware Config

Extracted

Family

bdaejec

C2

ddos.dnsnb8.net

Signatures

Bdaejec
Bdaejec is a backdoor written in C++.
backdoor bdaejec
Bdaejec family
bdaejec

Detects Bdaejec Backdoor. 2 IoCs

Bdaejec is backdoor written in C++.

Processes:

resource	yara_rule
behavioral2/memory/5036-6-0x0000000000360000-0x0000000000369000-memory.dmp	family_bdaejec_backdoor
behavioral2/memory/5036-45-0x0000000000360000-0x0000000000369000-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
C:\Users\Admin\AppData\Local\Temp\qNz.exe	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:

qNz.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation qNz.exe
Executes dropped EXE 1 IoCs

Processes:

qNz.exe

pid process

5036 qNz.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	qNz.exe

pid	process
5036	qNz.exe

Drops file in Program Files directory 64 IoCs

Processes:

qNz.exe

description	ioc	process
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\MSOSREC.EXE	qNz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\javacpl.exe	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\Common.ShowHelp.exe	qNz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBridge\SkypeBridge.exe	qNz.exe
File opened for modification	C:\Program Files\WindowsApps\microsoft.windowscommunicationsapps_16005.11629.20316.0_x64__8wekyb3d8bbwe\HxOutlook.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javaws.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\xjc.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmiregistry.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\tnameserv.exe	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX64\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroCEF\RdrServicesUpdater.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\reader_sl.exe	qNz.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\DCF\DATABASECOMPARE.EXE	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Office\Office16\MSOHTMED.EXE	qNz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.YourPhone_0.19051.7.0_x64__8wekyb3d8bbwe\YourPhone.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\klist.exe	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoia.exe	qNz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	qNz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.People_10.1902.633.0_x64__8wekyb3d8bbwe\PeopleApp.exe	qNz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WebMediaExtensions_1.0.20875.0_x64__8wekyb3d8bbwe\Microsoft.WebMediaExtensions.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jdeps.exe	qNz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsMaps_5.1906.1972.0_x64__8wekyb3d8bbwe\Maps.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\AcroRd32.exe	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Integration\Integrator.exe	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\EXCEL.EXE	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\msoadfsb.exe	qNz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\ADelRCP.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\arh.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\ktab.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\schemagen.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\orbd.exe	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SETLANG.EXE	qNz.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	qNz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Getstarted_8.2.22942.0_x64__8wekyb3d8bbwe\fmui\fmui.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleCrashHandler64.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javafxpackager.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jstack.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\jp2launcher.exe	qNz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsCalculator_10.1906.55.0_x64__8wekyb3d8bbwe\Calculator.exe	qNz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.WindowsFeedbackHub_1.1907.3152.0_x64__8wekyb3d8bbwe\PilotshubApp.exe	qNz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.XboxSpeechToTextOverlay_1.17.29001.0_x64__8wekyb3d8bbwe\SpeechToTextOverlay64-Retail.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\kinit.exe	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\GRAPH.EXE	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesX86\Microsoft Analysis Services\AS OLEDB\140\SQLDumper.exe	qNz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.SkypeApp_14.53.77.0_x64__kzf8qxf38zg5c\SkypeBackgroundHost.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.371\GoogleUpdateOnDemand.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\javap.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\WORDICON.EXE	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DWTRIG20.EXE	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\FLTLDR.EXE	qNz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	qNz.exe
File opened for modification	C:\Program Files\PushCheckpoint.exe	qNz.exe
File opened for modification	C:\Program Files\WindowsApps\Microsoft.Xbox.TCUI_1.23.28002.0_x64__8wekyb3d8bbwe\TCUI-App.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jconsole.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\bin\jps.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jre-1.8\bin\jabswitch.exe	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\Office16\SDXHelper.exe	qNz.exe
File opened for modification	C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\MSOICONS.EXE	qNz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\123.0.6312.123\chrome_installer.exe	qNz.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:

3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exeqNz.execmd.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	qNz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exeqNz.exe

description	pid	process	target process
PID 3116 wrote to memory of 5036	3116	3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exe	qNz.exe
PID 3116 wrote to memory of 5036	3116	3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exe	qNz.exe
PID 3116 wrote to memory of 5036	3116	3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exe	qNz.exe
PID 5036 wrote to memory of 2876	5036	qNz.exe	cmd.exe
PID 5036 wrote to memory of 2876	5036	qNz.exe	cmd.exe
PID 5036 wrote to memory of 2876	5036	qNz.exe	cmd.exe

C:\Users\Admin\AppData\Local\Temp\3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exe
"C:\Users\Admin\AppData\Local\Temp\3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3116
- C:\Users\Admin\AppData\Local\Temp\qNz.exe
  C:\Users\Admin\AppData\Local\Temp\qNz.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:5036
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\3f86609b.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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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\110A5654.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\3f86609b.bat

Filesize
181B

MD5
22959dad3cdf93281858463dcb1568b1

SHA1
ff5278817d236846278e208bae36872467e2dea4

SHA256
9f83a5c3f776246cfa6b2259ad3d13c810a711860e69e1080d4d5aa568a1a64a

SHA512
adc306126181710e464b7d4f0b20fe3d35c05d9a9146e8ef5746b91ef4ce8c7146723b9b8e8b7cf77eb29b400ec3c896332f8a9ac621c4736b4852ce49fbf020

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/3116-5-0x0000000000400000-0x000000000142E000-memory.dmp

Filesize
16.2MB

Download
memory/3116-47-0x0000000000400000-0x000000000142E000-memory.dmp

Filesize
16.2MB

Download
memory/5036-6-0x0000000000360000-0x0000000000369000-memory.dmp

Filesize
36KB

Download
memory/5036-45-0x0000000000360000-0x0000000000369000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads