bdaejec | 50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aa

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
04-01-2025 21:29

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General

Target

50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aaN.exe
Size

2.5MB
MD5

9b892f3701af9bec0a0c8ecb0291fe50
SHA1

2072b60eaa35a6e7ea0b5abb75508705e92e869d
SHA256

50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aa
SHA512

fe611422a9758cd4de9a34aa029c84d70d0322b3d5f188b72f6ccc2579655be0a8c16884626711f7881cf08f1b833c6990a4e7558007762cdabe235d3a64805d
SSDEEP

24576:gRKaPH2Z4nET7PIgOLoJNlVq4YmDWG9Dsl:g5PHe+O1LPlU

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/2552-11-0x0000000000390000-0x0000000000399000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2552-47-0x0000000000390000-0x0000000000399000-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/0x000b000000012029-6.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2552	HKLGBz.exe

Loads dropped DLL 2 IoCs

pid	Process
2496	50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aaN.exe
2496	50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aaN.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\7-Zip\7zG.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	HKLGBz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	HKLGBz.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	HKLGBz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	HKLGBz.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2068	2496	WerFault.exe	29

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	50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aaN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HKLGBz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2552	2496	50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aaN.exe	30
PID 2496 wrote to memory of 2552	2496	50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aaN.exe	30
PID 2496 wrote to memory of 2552	2496	50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aaN.exe	30
PID 2496 wrote to memory of 2552	2496	50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aaN.exe	30
PID 2496 wrote to memory of 2068	2496	50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aaN.exe	31
PID 2496 wrote to memory of 2068	2496	50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aaN.exe	31
PID 2496 wrote to memory of 2068	2496	50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aaN.exe	31
PID 2496 wrote to memory of 2068	2496	50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aaN.exe	31
PID 2552 wrote to memory of 2716	2552	HKLGBz.exe	34
PID 2552 wrote to memory of 2716	2552	HKLGBz.exe	34
PID 2552 wrote to memory of 2716	2552	HKLGBz.exe	34
PID 2552 wrote to memory of 2716	2552	HKLGBz.exe	34

C:\Users\Admin\AppData\Local\Temp\50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aaN.exe
"C:\Users\Admin\AppData\Local\Temp\50f5f00bf0564b1af5b7fed3c2a875ca9ccdd22f8f2627b7e629d46e02def8aaN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2496
- C:\Users\Admin\AppData\Local\Temp\HKLGBz.exe
  C:\Users\Admin\AppData\Local\Temp\HKLGBz.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2552
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\4a526361.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2716
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2496 -s 44
  2⤵
  - Program crash
  PID:2068

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\11955AFA.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

Download Submit
C:\Users\Admin\AppData\Local\Temp\4a526361.bat

Filesize
187B

MD5
975ce102a259dd44360694d1fefbe1d7

SHA1
c7bd1bfc29f6b37630a9f297c64c269c6644e748

SHA256
5ab916459dc92b8df76077d11bb08ce11575ca85e67c3c9ff4caa248c95120f1

SHA512
423324cca4b78f624ff4062b21965a6770f322d0b3ea240fbf4d36c472bcc501d960591f30d2d515b5eed44fea75b4d455aa422ef8f8cfba232d6f64acfcf8c8

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2496-9-0x0000000000400000-0x000000000067A000-memory.dmp

Filesize
2.5MB

Download
memory/2496-10-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/2496-12-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/2496-49-0x0000000000400000-0x000000000067A000-memory.dmp

Filesize
2.5MB

Download
memory/2552-11-0x0000000000390000-0x0000000000399000-memory.dmp

Filesize
36KB

Download
memory/2552-47-0x0000000000390000-0x0000000000399000-memory.dmp

Filesize
36KB

Download