bdaejec | 4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0

Analysis

max time kernel
141s
max time network
121s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
14-02-2025 05:30

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General

Target

4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe
Size

948KB
MD5

267081bb9feeb631e66e4b550d52218a
SHA1

384b1ce104f8a71fc668d16d870c30843966905f
SHA256

4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0
SHA512

2f2fd0f4998d56a3301a0792c1bb07bffa7c5d40c92f74cafb692fcf0564b9b713840aa52ae7a6dbad210a1dc97b16d80c4e337722d69f03dcc5817e63842710
SSDEEP

24576:d6tNfSHgPOvaCrfqGo3PnHgKYD0GegB0UBNz+u:G0vaLPAKYQOZNC

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/2764-34-0x0000000000F20000-0x0000000000F29000-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/0x00080000000120fe-8.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2764	tmbDro.exe

Loads dropped DLL 2 IoCs

pid	Process
1948	4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe
1948	4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jvisualvm.exe	tmbDro.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	tmbDro.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	tmbDro.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	tmbDro.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	tmbDro.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	tmbDro.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	tmbDro.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	tmbDro.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	tmbDro.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	tmbDro.exe
File opened for modification	C:\Program Files\GrantCompare.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	tmbDro.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	tmbDro.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	tmbDro.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	tmbDro.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	tmbDro.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	tmbDro.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	tmbDro.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 2764	1948	4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe	31
PID 1948 wrote to memory of 2764	1948	4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe	31
PID 1948 wrote to memory of 2764	1948	4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe	31
PID 1948 wrote to memory of 2764	1948	4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe	31

C:\Users\Admin\AppData\Local\Temp\4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe
"C:\Users\Admin\AppData\Local\Temp\4645c7dc1c0a6b92a458b3a1abc5f755306c9e5f32154857be7ebba93357daa0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Users\Admin\AppData\Local\Temp\tmbDro.exe
  C:\Users\Admin\AppData\Local\Temp\tmbDro.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  PID:2764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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\LW44N8OS\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\0A340377.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1948-0-0x0000000000400000-0x000000000051E000-memory.dmp

Filesize
1.1MB

Download
memory/1948-10-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1948-9-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/1948-14-0x0000000000400000-0x000000000051E000-memory.dmp

Filesize
1.1MB

Download
memory/2764-11-0x0000000000F20000-0x0000000000F29000-memory.dmp

Filesize
36KB

Download
memory/2764-34-0x0000000000F20000-0x0000000000F29000-memory.dmp

Filesize
36KB

Download