bdaejec | b2eb61be021024aceaafba11917898228de47877765911190c667546830d914d

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14-02-2025 17:23

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General

Target

2025-02-14_00d3e6531ae556544dc5fe9409548b8c_smoke-loader_wapomi.exe
Size

80KB
MD5

00d3e6531ae556544dc5fe9409548b8c
SHA1

50f43d680df4fbf5f889545d1b8dad329ad87f9d
SHA256

b2eb61be021024aceaafba11917898228de47877765911190c667546830d914d
SHA512

2be1e162853531c814fc10d1a9221ab6eb1d4dbc8648433e747711f5787de90f962cf36e4301a47e0190538f3a75b61a687220c6e5a53cffd18142dd1b46e308
SSDEEP

1536:RfnLq01weW5yX3jFxv49Nu4GhQmHGCq2iW7z:Y3ysTGhQkGCH

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/1332-20-0x00000000011B0000-0x00000000011B9000-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/0x00080000000120ff-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
1332	nljnZB.exe

Loads dropped DLL 2 IoCs

pid	Process
808	2025-02-14_00d3e6531ae556544dc5fe9409548b8c_smoke-loader_wapomi.exe
808	2025-02-14_00d3e6531ae556544dc5fe9409548b8c_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\apt.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	nljnZB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\uninstall\helper.exe	nljnZB.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	nljnZB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ssvagent.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javap.exe	nljnZB.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	nljnZB.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	nljnZB.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	nljnZB.exe
File opened for modification	C:\Program Files\Microsoft Games\Hearts\Hearts.exe	nljnZB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\maintenanceservice_installer.exe	nljnZB.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\A3DUtility.exe	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\pack200.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	nljnZB.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	nljnZB.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\setup.exe	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	nljnZB.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ktab.exe	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\XLICONS.EXE	nljnZB.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\pack200.exe	nljnZB.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	nljnZB.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	nljnZB.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	nljnZB.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	nljnZB.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	nljnZB.exe
File opened for modification	C:\Program Files\Microsoft Games\Chess\Chess.exe	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\LogTransport2.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	nljnZB.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Spades\shvlzm.exe	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SELFCERT.EXE	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	nljnZB.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	nljnZB.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc-cache-gen.exe	nljnZB.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVEMN.EXE	nljnZB.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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-02-14_00d3e6531ae556544dc5fe9409548b8c_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	nljnZB.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 808 wrote to memory of 1332	808	2025-02-14_00d3e6531ae556544dc5fe9409548b8c_smoke-loader_wapomi.exe	31
PID 808 wrote to memory of 1332	808	2025-02-14_00d3e6531ae556544dc5fe9409548b8c_smoke-loader_wapomi.exe	31
PID 808 wrote to memory of 1332	808	2025-02-14_00d3e6531ae556544dc5fe9409548b8c_smoke-loader_wapomi.exe	31
PID 808 wrote to memory of 1332	808	2025-02-14_00d3e6531ae556544dc5fe9409548b8c_smoke-loader_wapomi.exe	31
PID 1332 wrote to memory of 2488	1332	nljnZB.exe	34
PID 1332 wrote to memory of 2488	1332	nljnZB.exe	34
PID 1332 wrote to memory of 2488	1332	nljnZB.exe	34
PID 1332 wrote to memory of 2488	1332	nljnZB.exe	34

C:\Users\Admin\AppData\Local\Temp\2025-02-14_00d3e6531ae556544dc5fe9409548b8c_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-02-14_00d3e6531ae556544dc5fe9409548b8c_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:808
- C:\Users\Admin\AppData\Local\Temp\nljnZB.exe
  C:\Users\Admin\AppData\Local\Temp\nljnZB.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1332
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\3d1d3d3d.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2488

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\MPUI9R2R\k2[1].rar

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\3d1d3d3d.bat

Filesize
187B

MD5
570573820687d590e6581f28aeff58d2

SHA1
eef37604d3bcb99b6716234ff405c14eb11f50fb

SHA256
0b5892c576cce02dc729528ec8d07d1ee39b6cbdafa857686ee339ba39afa7a8

SHA512
ba04393e984c85f5c83ee85d5d9e96602154898f2acea2805738cde7ce4ce255960b36bb1e9f96fa51b869f45f41ab1ad9f9d1bced95be42f63cea4c1e44c449

Download Submit
C:\Users\Admin\AppData\Local\Temp\692465E4.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
f7d21de5c4e81341eccd280c11ddcc9a

SHA1
d4e9ef10d7685d491583c6fa93ae5d9105d815bd

SHA256
4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

SHA512
e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

Download Submit
memory/808-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/808-8-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/1332-10-0x00000000011B0000-0x00000000011B9000-memory.dmp

Filesize
36KB

Download
memory/1332-20-0x00000000011B0000-0x00000000011B9000-memory.dmp

Filesize
36KB

Download