bdaejec | bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31/12/2024, 08:07

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General

Target

bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe
Size

96KB
MD5

ca68fc0f50ef68ba3f9a2bf45c065790
SHA1

3bbf4ec8c78b5c92cf37c8b492c670c5bcbe5b53
SHA256

bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0
SHA512

271060a40ac97290e4f0bee17855a387cdeee26b427bb3f4f3a51b6316e01d7821321998b6e441cdbd33f82bc25a4b68853c208abb4c88b31df49ea134a709ba
SSDEEP

1536:pECLKU4+dwC/p0cQ7ZCAINqPDHuXnvE0oK1PiGCq2iW7z:pJLrp0cQ7QAINqPDHQnchGCH

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/1200-48-0x00000000003C0000-0x00000000003C9000-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/0x00080000000120f4-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1200	aAFgrKW.exe

Loads dropped DLL 5 IoCs

pid	Process
2388	bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe
2388	bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe
1200	aAFgrKW.exe
1200	aAFgrKW.exe
1200	aAFgrKW.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	aAFgrKW.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	aAFgrKW.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	aAFgrKW.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	bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aAFgrKW.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 2388 wrote to memory of 1200	2388	bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe	30
PID 2388 wrote to memory of 1200	2388	bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe	30
PID 2388 wrote to memory of 1200	2388	bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe	30
PID 2388 wrote to memory of 1200	2388	bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe	30
PID 2388 wrote to memory of 1200	2388	bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe	30
PID 2388 wrote to memory of 1200	2388	bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe	30
PID 2388 wrote to memory of 1200	2388	bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe	30
PID 1200 wrote to memory of 2836	1200	aAFgrKW.exe	33
PID 1200 wrote to memory of 2836	1200	aAFgrKW.exe	33
PID 1200 wrote to memory of 2836	1200	aAFgrKW.exe	33
PID 1200 wrote to memory of 2836	1200	aAFgrKW.exe	33
PID 1200 wrote to memory of 2836	1200	aAFgrKW.exe	33
PID 1200 wrote to memory of 2836	1200	aAFgrKW.exe	33
PID 1200 wrote to memory of 2836	1200	aAFgrKW.exe	33

C:\Users\Admin\AppData\Local\Temp\bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe
"C:\Users\Admin\AppData\Local\Temp\bfd0a2a129de0595932032530412d43fa29a976015f939e400dbcdc6f80c14c0N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2388
- C:\Users\Admin\AppData\Local\Temp\aAFgrKW.exe
  C:\Users\Admin\AppData\Local\Temp\aAFgrKW.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1200
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\37b8119d.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2836

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\7CNUR30T\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\37b8119d.bat

Filesize
189B

MD5
b2875dd6809687c9e3387cf0cce3e337

SHA1
e812baa3c8358b6dc18782f7500a6d8746f86bff

SHA256
8e15ae35ad8291cb9cb889ae333809a627661b1deb041d60c9e019f03e24b128

SHA512
74c5259e5e0d66e9baa4deee5c1f2334c454b4f705bffa01a5520dd1faf4b16e36256edda85defa37046846721bba078084fb99914f920902f65c6dc678e6026

Download Submit
C:\Users\Admin\AppData\Local\Temp\6A290C96.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1200-17-0x00000000003C0000-0x00000000003C9000-memory.dmp

Filesize
36KB

Download
memory/1200-18-0x00000000003C6000-0x00000000003C7000-memory.dmp

Filesize
4KB

Download
memory/1200-48-0x00000000003C0000-0x00000000003C9000-memory.dmp

Filesize
36KB

Download
memory/2388-10-0x00000000003C0000-0x00000000003C9000-memory.dmp

Filesize
36KB

Download
memory/2388-9-0x0000000000020000-0x0000000000039000-memory.dmp

Filesize
100KB

Download
memory/2388-8-0x0000000000020000-0x0000000000039000-memory.dmp

Filesize
100KB

Download
memory/2388-20-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2388-11-0x00000000003C0000-0x00000000003C9000-memory.dmp

Filesize
36KB

Download
memory/2388-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download