bdaejec | 2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 01:56

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General

Target

2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe
Size

80KB
MD5

ace412990d9ddfaadfeff468500c5d5a
SHA1

367b0144cf565e0a3d2af2d33707b9be92c639b8
SHA256

2f1d77a17f8e281a3123ab44ff264896b6a78c9916b4d76b447f017e19b23981
SHA512

75ec579004dc8ecdffef028bafc1dd12c73b3226ec1ffc34f409658e3c876c12ee0640cf5670877f55efe4c68e99eeabfd856ca13317cd0f0e4827372b8ca67d
SSDEEP

1536:Yg/6/tM8NXDjPX0QWlfGMckTQ25GCq2iW7z:Hk3U8kTQOGCH

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/788-15-0x00000000013D0000-0x00000000013D9000-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/0x00080000000120f9-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
788	BfXBcV.exe

Loads dropped DLL 2 IoCs

pid	Process
2244	2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe
2244	2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Windows Sidebar\sidebar.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\klist.exe	BfXBcV.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	BfXBcV.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaws.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	BfXBcV.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	BfXBcV.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	BfXBcV.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	BfXBcV.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	BfXBcV.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	BfXBcV.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	2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BfXBcV.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 788	2244	2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe	30
PID 2244 wrote to memory of 788	2244	2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe	30
PID 2244 wrote to memory of 788	2244	2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe	30
PID 2244 wrote to memory of 788	2244	2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe	30
PID 788 wrote to memory of 2036	788	BfXBcV.exe	34
PID 788 wrote to memory of 2036	788	BfXBcV.exe	34
PID 788 wrote to memory of 2036	788	BfXBcV.exe	34
PID 788 wrote to memory of 2036	788	BfXBcV.exe	34

C:\Users\Admin\AppData\Local\Temp\2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-08_ace412990d9ddfaadfeff468500c5d5a_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\BfXBcV.exe
  C:\Users\Admin\AppData\Local\Temp\BfXBcV.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:788
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\4dda4931.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2036

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\4dda4931.bat

Filesize
187B

MD5
090963201b48b9b2257a884ad20bee9c

SHA1
39437a1d1b8685dbf37e8b6d52a8ab4fae00cded

SHA256
2f66f59ac418a1dfaddeb24e4046e8ac6c0c3679b14c170986fef41bfab34cba

SHA512
46c898ec0f9ca3c03b7c570f7cfecc447408ffb9d367b683025c71443df5cb2767cd2189cb6adfa41531a4144f9a19526b5902aa55bd6a5debcfbd3cf5ba1d37

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/788-11-0x00000000013D0000-0x00000000013D9000-memory.dmp

Filesize
36KB

Download
memory/788-15-0x00000000013D0000-0x00000000013D9000-memory.dmp

Filesize
36KB

Download
memory/2244-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2244-3-0x00000000013D0000-0x00000000013D9000-memory.dmp

Filesize
36KB

Download
memory/2244-10-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download