bdaejec | fefe097bec3613de6dac2a0af3f2d7e762125681d6e981f33aa3ff98f661baeb

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-01-2025 11:26

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General

Target

2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe
Size

65KB
MD5

83ecbff215630ca1c09eb901826fc050
SHA1

4e0c6a56045e465e6ad7770463788c8fdb5af63d
SHA256

fefe097bec3613de6dac2a0af3f2d7e762125681d6e981f33aa3ff98f661baeb
SHA512

3b0eab8983b7877f756d5c704bbd4421777eaab979df8e2bd9c06086282904d64667f05749120d12a1c35374780195fdfdee725043eba52d7b5d2bf5ea5297cc
SSDEEP

768:S5qn4NX7+MbT1y9EG+HOkHmopjtWO3ZCdZP1f8SvnHH5p1QGPL4vzZq2o9W7Gsxl:8qn40x9kOkNpjWZP1Vn5pyGCq2iW7z

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/2796-53-0x0000000000330000-0x0000000000339000-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
2796	fcIYYo.exe

Loads dropped DLL 2 IoCs

pid	Process
2624	2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe
2624	2025-01-31_83ecbff215630ca1c09eb901826fc050_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\GoogleUpdateCore.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSPUB.EXE	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	fcIYYo.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	fcIYYo.exe
File opened for modification	C:\Program Files\7-Zip\7zFM.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jps.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\ssvagent.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	fcIYYo.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\notification_helper.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\orbd.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\GROOVE.EXE	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	fcIYYo.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\vlc.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Windows Defender\MSASCui.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Eula.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\chrome_proxy.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javacpl.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Windows Mail\wab.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOUC.EXE	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\WinMail.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\keytool.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Microsoft Games\Multiplayer\Checkers\chkrzm.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Windows Photo Viewer\ImagingDevices.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\policytool.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Google\Update\Download\{8A69D345-D564-463C-AFF1-A69D9E530F96}\106.0.5249.119\chrome_installer.exe	fcIYYo.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	fcIYYo.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jdb.exe	fcIYYo.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	2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fcIYYo.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2624 wrote to memory of 2796	2624	2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe	31
PID 2624 wrote to memory of 2796	2624	2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe	31
PID 2624 wrote to memory of 2796	2624	2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe	31
PID 2624 wrote to memory of 2796	2624	2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe	31
PID 2796 wrote to memory of 1864	2796	fcIYYo.exe	32
PID 2796 wrote to memory of 1864	2796	fcIYYo.exe	32
PID 2796 wrote to memory of 1864	2796	fcIYYo.exe	32
PID 2796 wrote to memory of 1864	2796	fcIYYo.exe	32

C:\Users\Admin\AppData\Local\Temp\2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-31_83ecbff215630ca1c09eb901826fc050_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2624
- C:\Users\Admin\AppData\Local\Temp\fcIYYo.exe
  C:\Users\Admin\AppData\Local\Temp\fcIYYo.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2796
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\1af02260.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:1864

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\1af02260.bat

Filesize
187B

MD5
603c2e9f78a5b2919527bab347956c1f

SHA1
07142904fb37894bbea9ad362d3755dae499e1c8

SHA256
434a823326cbeb0db8291c1f0d56bbd8890de32c0a2a3c9c5f9079414db90ec5

SHA512
75b7d39d0d09f4755f7765fec1c7e0b56756a8c99199042506d7344f3de0dbb973706b6b69bbf0154e7474d1fdbb6f0a3502f1a4f6bc60f71d4de1ab5c876c24

Download Submit
C:\Users\Admin\AppData\Local\Temp\43EF1939.exe

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\43EF1939.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
f7d21de5c4e81341eccd280c11ddcc9a

SHA1
d4e9ef10d7685d491583c6fa93ae5d9105d815bd

SHA256
4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

SHA512
e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

Download Submit
memory/2624-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2624-10-0x0000000000240000-0x0000000000249000-memory.dmp

Filesize
36KB

Download
memory/2624-9-0x0000000000240000-0x0000000000249000-memory.dmp

Filesize
36KB

Download
memory/2624-55-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2624-56-0x0000000000240000-0x0000000000249000-memory.dmp

Filesize
36KB

Download
memory/2624-57-0x0000000000240000-0x0000000000249000-memory.dmp

Filesize
36KB

Download
memory/2796-11-0x0000000000330000-0x0000000000339000-memory.dmp

Filesize
36KB

Download
memory/2796-53-0x0000000000330000-0x0000000000339000-memory.dmp

Filesize
36KB

Download