bdaejec | 3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-11-2024 00:21

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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

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++.

resource	yara_rule
behavioral1/memory/1364-11-0x00000000003A0000-0x00000000003A9000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/1364-35-0x00000000003A0000-0x00000000003A9000-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
behavioral1/files/0x0007000000012117-1.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1364	qNz.exe

Loads dropped DLL 2 IoCs

pid	Process
880	3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exe
880	3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{9DFE08CC-30AD-4427-BBD2-AE53EED44C59}\chrome_installer.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	qNz.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	qNz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	qNz.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	qNz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	qNz.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	qNz.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	qNz.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	qNz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	qNz.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	qNz.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateCore.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	qNz.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	qNz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	qNz.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	qNz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	qNz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	qNz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.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\VideoLAN\VLC\vlc.exe	qNz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.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

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 8 IoCs

description	pid	Process	procid_target
PID 880 wrote to memory of 1364	880	3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exe	30
PID 880 wrote to memory of 1364	880	3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exe	30
PID 880 wrote to memory of 1364	880	3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exe	30
PID 880 wrote to memory of 1364	880	3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exe	30
PID 1364 wrote to memory of 2552	1364	qNz.exe	31
PID 1364 wrote to memory of 2552	1364	qNz.exe	31
PID 1364 wrote to memory of 2552	1364	qNz.exe	31
PID 1364 wrote to memory of 2552	1364	qNz.exe	31

C:\Users\Admin\AppData\Local\Temp\3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exe
"C:\Users\Admin\AppData\Local\Temp\3c4a250de87d7139406d2558c050a11be5811a150e21ea5bbea69e1ce68c18f4N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:880
- C:\Users\Admin\AppData\Local\Temp\qNz.exe
  C:\Users\Admin\AppData\Local\Temp\qNz.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1364
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\01a90436.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\Temp\01a90436.bat

Filesize
181B

MD5
86ce23743e40f3aa9eb2b7bb230ca500

SHA1
162a204986d6d4d8f4667bcde41ca61779fdf65f

SHA256
6d1d1844498612b84b9ef39f589f2dbf0ede57711a55cb2b8a981467fbe452dd

SHA512
3e36e161bb8c332d659bdbc8cb1a0f03ff7ea0e9b2540639b52c138864d7e153ea10abc3db7b90dee45dc1d51b134200ee36eba321696e2c41df6e51d3290462

Download Submit
C:\Users\Admin\AppData\Local\Temp\58166D68.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/880-10-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

Download
memory/880-9-0x0000000000400000-0x000000000142E000-memory.dmp

Filesize
16.2MB

Download
memory/880-12-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

Download
memory/1364-11-0x00000000003A0000-0x00000000003A9000-memory.dmp

Filesize
36KB

Download
memory/1364-35-0x00000000003A0000-0x00000000003A9000-memory.dmp

Filesize
36KB

Download