bdaejec | 66db676de6d828518d98bb7fd27eb6d437d0c97f909a6bfad2cf6d471368a1cf

Analysis

max time kernel
119s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 20:25

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General

Target

66db676de6d828518d98bb7fd27eb6d437d0c97f909a6bfad2cf6d471368a1cfN.exe
Size

1.2MB
MD5

95ea3838774f56bde48c33c8af0951d0
SHA1

0e39fcf7c226c92e8a04237787d80b96b0322574
SHA256

66db676de6d828518d98bb7fd27eb6d437d0c97f909a6bfad2cf6d471368a1cf
SHA512

4f591a97dd5c56cb8e3841039aede5e6725d4a622339017e43c8ef8802fa91111ce0736356d4d6677f797d547ad8142ca886d20664797df64922af2180eecccb
SSDEEP

24576:d7GO7dtrjrICw9XuXo7beSTdt5xbX01uvfTXfBxr93d5E/jKQvVj4YpdjYY0td78:8EtnrICSooGSTD5xbX012fjBxr93

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
behavioral1/memory/2340-53-0x0000000001330000-0x0000000001339000-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/0x00080000000120f9-11.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2340	OqvbzY.exe

Loads dropped DLL 2 IoCs

pid	Process
2644	66db676de6d828518d98bb7fd27eb6d437d0c97f909a6bfad2cf6d471368a1cfN.exe
2644	66db676de6d828518d98bb7fd27eb6d437d0c97f909a6bfad2cf6d471368a1cfN.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	OqvbzY.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	OqvbzY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{EBB1980D-D3FB-4EE3-8028-3788F037127D}\chrome_installer.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	OqvbzY.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	OqvbzY.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	OqvbzY.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	OqvbzY.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	OqvbzY.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	66db676de6d828518d98bb7fd27eb6d437d0c97f909a6bfad2cf6d471368a1cfN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	OqvbzY.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2644 wrote to memory of 2340	2644	66db676de6d828518d98bb7fd27eb6d437d0c97f909a6bfad2cf6d471368a1cfN.exe	30
PID 2644 wrote to memory of 2340	2644	66db676de6d828518d98bb7fd27eb6d437d0c97f909a6bfad2cf6d471368a1cfN.exe	30
PID 2644 wrote to memory of 2340	2644	66db676de6d828518d98bb7fd27eb6d437d0c97f909a6bfad2cf6d471368a1cfN.exe	30
PID 2644 wrote to memory of 2340	2644	66db676de6d828518d98bb7fd27eb6d437d0c97f909a6bfad2cf6d471368a1cfN.exe	30
PID 2340 wrote to memory of 2076	2340	OqvbzY.exe	31
PID 2340 wrote to memory of 2076	2340	OqvbzY.exe	31
PID 2340 wrote to memory of 2076	2340	OqvbzY.exe	31
PID 2340 wrote to memory of 2076	2340	OqvbzY.exe	31

C:\Users\Admin\AppData\Local\Temp\66db676de6d828518d98bb7fd27eb6d437d0c97f909a6bfad2cf6d471368a1cfN.exe
"C:\Users\Admin\AppData\Local\Temp\66db676de6d828518d98bb7fd27eb6d437d0c97f909a6bfad2cf6d471368a1cfN.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2644
- C:\Users\Admin\AppData\Local\Temp\OqvbzY.exe
  C:\Users\Admin\AppData\Local\Temp\OqvbzY.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2340
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\19920f84.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2076

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\Microsoft\Windows\Temporary Internet Files\Content.IE5\LPQ313RR\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\19920f84.bat

Filesize
187B

MD5
68feffac2b98f23ad324204d2268f15c

SHA1
ccd17da591e540c979d21ba0a40b77a441b5d28d

SHA256
dbdf1c49f2660fc58a9eb4d83fccf17e66b4229d7ce2aa87ab2ac4e7727728cc

SHA512
efc45fe031c57fb23961f2d049d06281b2b8a455f2a99115fce338a84b53a8afdfa2b57be57ef799ef38aba79822fd979be0652f1ef5f02ce043fa4ca643a115

Download Submit
C:\Users\Admin\AppData\Local\Temp\4C136CEF.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2340-53-0x0000000001330000-0x0000000001339000-memory.dmp

Filesize
36KB

Download
memory/2644-10-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2644-8-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2644-2-0x0000000000400000-0x000000000053D000-memory.dmp

Filesize
1.2MB

Download
memory/2644-55-0x0000000000400000-0x000000000053D000-memory.dmp

Filesize
1.2MB

Download
memory/2644-56-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2644-57-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download