bdaejec | 0827f443374db0fe8c93fa479fa2e075fef80a45f35a71bbbe19073b6632bb04

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16/01/2025, 12:07

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General

Target

2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe
Size

136KB
MD5

e9fbe8825057afd50bed83af30ec819d
SHA1

8eed976a5d69a47ea58c8bb64df67667717c5985
SHA256

0827f443374db0fe8c93fa479fa2e075fef80a45f35a71bbbe19073b6632bb04
SHA512

b7b162e4720ec951007a84e3684d6919e0407b0e8b08ac0a7009902e352f91134fd85c299400735f656c06516429c6d33bd13687db1f865239623891201743a6
SSDEEP

3072:6Rhm+3+lBFZBuVt5ls4qQXvvSGuIiGCH:6frubFX6s4qQXvvSDg

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/2232-54-0x0000000001120000-0x0000000001129000-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/0x000b000000012029-7.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2232	zfx.exe

Loads dropped DLL 2 IoCs

pid	Process
328	2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe
328	2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateOnDemand.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\keytool.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\bckgzm.exe	zfx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\pingsender.exe	zfx.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	zfx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OIS.EXE	zfx.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmid.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmc.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Games\Solitaire\Solitaire.exe	zfx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	zfx.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	zfx.exe
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\misc.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wab.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaws.exe	zfx.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GRAPH.EXE	zfx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Setup Files\{AC76BA86-7AD7-1033-7B44-A90000000001}\Setup.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	zfx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jar.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jrunscript.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	zfx.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	zfx.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	zfx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	zfx.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	zfx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmic.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	zfx.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\servertool.exe	zfx.exe
File opened for modification	C:\Program Files\Mozilla Firefox\plugin-container.exe	zfx.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	zfx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	zfx.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	zfx.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	zfx.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 328 wrote to memory of 2232	328	2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe	31
PID 328 wrote to memory of 2232	328	2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe	31
PID 328 wrote to memory of 2232	328	2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe	31
PID 328 wrote to memory of 2232	328	2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe	31
PID 2232 wrote to memory of 2740	2232	zfx.exe	33
PID 2232 wrote to memory of 2740	2232	zfx.exe	33
PID 2232 wrote to memory of 2740	2232	zfx.exe	33
PID 2232 wrote to memory of 2740	2232	zfx.exe	33

C:\Users\Admin\AppData\Local\Temp\2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-16_e9fbe8825057afd50bed83af30ec819d_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:328
- C:\Users\Admin\AppData\Local\Temp\zfx.exe
  C:\Users\Admin\AppData\Local\Temp\zfx.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2232
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\00e065c8.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2740

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

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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\00e065c8.bat

Filesize
181B

MD5
ccb57eed09f11f0d656faa2b7f1efb13

SHA1
9d3de3426027a89b90f3b85b6578a16068206345

SHA256
cecc4db4df6e4f4af05544a1e3c370b829669d11cad4327ebb00ab6e695c4778

SHA512
844df0ecdfb85af58404aa3841386916e9428375c595429907ad3a3f94139d5cefadbb3661a006dfcda07d9722d1893f5988b60701ab38efca5497af594c05fc

Download Submit
C:\Users\Admin\AppData\Local\Temp\61810790.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/328-0-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/328-10-0x0000000001120000-0x0000000001129000-memory.dmp

Filesize
36KB

Download
memory/328-9-0x0000000001120000-0x0000000001129000-memory.dmp

Filesize
36KB

Download
memory/328-56-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/328-57-0x0000000000400000-0x0000000000423000-memory.dmp

Filesize
140KB

Download
memory/2232-12-0x0000000001120000-0x0000000001129000-memory.dmp

Filesize
36KB

Download
memory/2232-54-0x0000000001120000-0x0000000001129000-memory.dmp

Filesize
36KB

Download