bdaejec | 0cac31471a327bf4a3b2ee276dad5e576ca6432c31db0768a246d0e7e0eb285b

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
07/01/2025, 11:04

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General

Target

2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe
Size

80KB
MD5

f97388013ec5702c105f8278c6495fc2
SHA1

d7f32fd53cb57790b49ff969b3154506e884ed9d
SHA256

0cac31471a327bf4a3b2ee276dad5e576ca6432c31db0768a246d0e7e0eb285b
SHA512

ca09b19cf266c23ee145cc1fb3ba30cd600c86936bd6511b26fdcf5bd123051c6fcdd67fced72634f63215e106c9aaf5ebd2258f767378aa7f4a6129eae1a487
SSDEEP

1536:RfnLq01weW5yX3jFxv49Nu4GhQ5RGCq2iW7z:Y3ysTGhQrGCH

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/1512-46-0x0000000000A40000-0x0000000000A49000-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/0x000a00000001202c-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1512	cxWyN.exe

Loads dropped DLL 2 IoCs

pid	Process
2372	2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe
2372	2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.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\keytool.exe	cxWyN.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	cxWyN.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	cxWyN.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	cxWyN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	cxWyN.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	cxWyN.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\PPTICO.EXE	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	cxWyN.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTEM.EXE	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	cxWyN.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	cxWyN.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	cxWyN.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32Info.exe	cxWyN.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\tnameserv.exe	cxWyN.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	cxWyN.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	cxWyN.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	cxWyN.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	cxWyN.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	2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cxWyN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2372 wrote to memory of 1512	2372	2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe	31
PID 2372 wrote to memory of 1512	2372	2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe	31
PID 2372 wrote to memory of 1512	2372	2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe	31
PID 2372 wrote to memory of 1512	2372	2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe	31
PID 1512 wrote to memory of 2900	1512	cxWyN.exe	33
PID 1512 wrote to memory of 2900	1512	cxWyN.exe	33
PID 1512 wrote to memory of 2900	1512	cxWyN.exe	33
PID 1512 wrote to memory of 2900	1512	cxWyN.exe	33

C:\Users\Admin\AppData\Local\Temp\2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-07_f97388013ec5702c105f8278c6495fc2_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Local\Temp\cxWyN.exe
  C:\Users\Admin\AppData\Local\Temp\cxWyN.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1512
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\33df4759.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2900

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\K0PVW9XR\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\33df4759.bat

Filesize
185B

MD5
50a712accbc4172c9b1ff2cc2f812b8b

SHA1
e5575ec033d6b0cd6e6db25b7ef73d596f94bbda

SHA256
9b51acd34c5e2c5c1700c1193ce8a07e415404b5fa358e043e8977c9d4c73f84

SHA512
3a124f48d538707969a9e7560e11163fc08058dcb69f965b100c15ee368b6895b5f10cfc6dcfb97108147c5d3263bf444f23965a5b8008790ea6a2a850dc384d

Download Submit
C:\Users\Admin\AppData\Local\Temp\56DC0A29.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/1512-10-0x0000000000A40000-0x0000000000A49000-memory.dmp

Filesize
36KB

Download
memory/1512-46-0x0000000000A40000-0x0000000000A49000-memory.dmp

Filesize
36KB

Download
memory/2372-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2372-9-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download