bdaejec | e702112125d32124da6cad51252e76ef34d75dda27a0c965625988ace8622dcf

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
30-12-2024 02:33

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe
Size

80KB
MD5

f380e3b07a978217ea36a5cfe57925f3
SHA1

66ab8c30a5c210ed1cb75c27b17261038bec84e3
SHA256

e702112125d32124da6cad51252e76ef34d75dda27a0c965625988ace8622dcf
SHA512

3d1ef17ed64b64ebfe161e3fc5b4c16f0f448a4420de80a548e66e8007a7ed029b4759a1749f2daf02908fdfe9779cb140c91b6de1b4bdb45a3dcfac272baa0e
SSDEEP

1536:vfnLq01weW5yX3jFxv49Nu4GhQ+VGCq2iW7z:u3ysTGhQaGCH

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/1964-13-0x0000000000340000-0x0000000000349000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/1964-16-0x0000000000340000-0x0000000000349000-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/0x000c000000012260-12.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1964	AfKCSz.exe

Loads dropped DLL 2 IoCs

pid	Process
2444	2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe
2444	2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	AfKCSz.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ACCICONS.EXE	AfKCSz.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\servertool.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdate.exe	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	AfKCSz.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Install\{5059450D-F254-431C-8EC5-1212E61F2D77}\chrome_installer.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	AfKCSz.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	AfKCSz.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	AfKCSz.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	2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AfKCSz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 1964	2444	2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe	32
PID 2444 wrote to memory of 1964	2444	2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe	32
PID 2444 wrote to memory of 1964	2444	2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe	32
PID 2444 wrote to memory of 1964	2444	2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe	32
PID 1964 wrote to memory of 2964	1964	AfKCSz.exe	36
PID 1964 wrote to memory of 2964	1964	AfKCSz.exe	36
PID 1964 wrote to memory of 2964	1964	AfKCSz.exe	36
PID 1964 wrote to memory of 2964	1964	AfKCSz.exe	36

C:\Users\Admin\AppData\Local\Temp\2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2024-12-30_f380e3b07a978217ea36a5cfe57925f3_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Users\Admin\AppData\Local\Temp\AfKCSz.exe
  C:\Users\Admin\AppData\Local\Temp\AfKCSz.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1964
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\7f112b75.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2964

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\7f112b75.bat

Filesize
187B

MD5
a6fa240b88ab12c2f7e559a465a9b666

SHA1
55679ce769a06f4bb733dc7142d9410974416df3

SHA256
dff04a7425dbb53a7dc2c2290cd6c1026e4dc3c4aedbaad70b59584248638cda

SHA512
f85ee8f69b1d7f57b0d28199b3d56adf1c7af99ad6e81f025ab6fef4c702611497df4c5eac2cf9505b668309cc8c1c6a5b6a23b813cde913554bec8c76b8d29d

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1964-13-0x0000000000340000-0x0000000000349000-memory.dmp

Filesize
36KB

Download
memory/1964-16-0x0000000000340000-0x0000000000349000-memory.dmp

Filesize
36KB

Download
memory/2444-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2444-10-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2444-9-0x0000000000340000-0x0000000000349000-memory.dmp

Filesize
36KB

Download
memory/2444-8-0x0000000000340000-0x0000000000349000-memory.dmp

Filesize
36KB

Download