bdaejec | b4cdb504d14c40c80fa50cf91d0a31fc8704c6b3b3094787f6212de68f825e17

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24-01-2025 05:22

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General

Target

2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe
Size

80KB
MD5

1740e64ebb1afb1af335ae7bbcd4d8e9
SHA1

8400cacafe2e1165e2960e5afb49b51f4cef0b32
SHA256

b4cdb504d14c40c80fa50cf91d0a31fc8704c6b3b3094787f6212de68f825e17
SHA512

350700d9c589e9d6797e5d3293446489dc461aec009e8586ec590ec1ce66110e25e868309640c2cc28f5e5376fce4d05364f1105270dfe8b45dfe2297630df8f
SSDEEP

1536:Yg/6/tM8NXDjPX0QWlfGMckTQ7qGCq2iW7z:Hk3U8kTQmGCH

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/740-35-0x0000000000160000-0x0000000000169000-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/0x00080000000120fd-9.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
740	BfEyqm.exe

Loads dropped DLL 2 IoCs

pid	Process
2532	2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe
2532	2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Windows Journal\PDIALOG.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\servertool.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroBroker.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroTextExtractor.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SCANPST.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\ktab.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\unpack200.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\tnameserv.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Games\SpiderSolitaire\SpiderSolitaire.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\1033\ONELEV.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\POWERPNT.EXE	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CNFNOT32.EXE	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\OUTLOOK.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\excelcnv.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Windows Photo Viewer\ImagingDevices.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Mozilla Firefox\crashreporter.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Office\Office14\MSOHTMED.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\Mozilla Firefox\minidump-analyzer.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AdobeCollabSync.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORDB.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jre7\bin\javaw.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\wsimport.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmid.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jre7\bin\kinit.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Mozilla Firefox\default-browser-agent.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSACCESS.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\Windows Sidebar\sidebar.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmiregistry.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\orbd.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Mozilla Firefox\firefox.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Windows Mail\wabmig.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\SETLANG.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\klist.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSQRY32.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jre7\bin\orbd.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOHTMED.EXE	BfEyqm.exe
File opened for modification	C:\Program Files\7-Zip\7z.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	BfEyqm.exe
File opened for modification	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	BfEyqm.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\Wordconv.exe	BfEyqm.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	2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	BfEyqm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 740	2532	2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe	29
PID 2532 wrote to memory of 740	2532	2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe	29
PID 2532 wrote to memory of 740	2532	2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe	29
PID 2532 wrote to memory of 740	2532	2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe	29
PID 740 wrote to memory of 2836	740	BfEyqm.exe	30
PID 740 wrote to memory of 2836	740	BfEyqm.exe	30
PID 740 wrote to memory of 2836	740	BfEyqm.exe	30
PID 740 wrote to memory of 2836	740	BfEyqm.exe	30

C:\Users\Admin\AppData\Local\Temp\2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-24_1740e64ebb1afb1af335ae7bbcd4d8e9_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Users\Admin\AppData\Local\Temp\BfEyqm.exe
  C:\Users\Admin\AppData\Local\Temp\BfEyqm.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:740
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\07b93816.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2836

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\07b93816.bat

Filesize
187B

MD5
1f27f5c288775f4613adae5fadf41ab2

SHA1
e77ea30eaccb566fce876dffda64028c183140fb

SHA256
086dbba6674afd85980695bfc11ab638aac4653985c7d7b07395579a079217d1

SHA512
209434e091b05f1c1e311c5b43b85186a0e6068a1e3a93c959711343ef8f8d0ed0861543e4044bca4fc24fc83ba5c32b4fc744ecf5f1e9d69ffa8af0d1a19222

Download Submit
C:\Users\Admin\AppData\Local\Temp\4E76722C.exe

Filesize
4B

MD5
d3b07384d113edec49eaa6238ad5ff00

SHA1
f1d2d2f924e986ac86fdf7b36c94bcdf32beec15

SHA256
b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c

SHA512
0cf9180a764aba863a67b6d72f0918bc131c6772642cb2dce5a34f0a702f9470ddc2bf125c12198b1995c233c34b4afd346c54a2334c350a948a51b6e8b4e6b6

Download Submit
C:\Users\Admin\AppData\Local\Temp\4E76722C.exe

Filesize
4B

MD5
20879c987e2f9a916e578386d499f629

SHA1
c7b33ddcc42361fdb847036fc07e880b81935d5d

SHA256
9f2981a7cc4d40a2a409dc895de64253acd819d7c0011c8e80b86fe899464e31

SHA512
bcdde1625364dd6dd143b45bdcec8d59cf8982aff33790d390b839f3869e0e815684568b14b555a596d616252aeeaa98dac2e6e551c9095ea11a575ff25ff84f

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

Filesize
15KB

MD5
f7d21de5c4e81341eccd280c11ddcc9a

SHA1
d4e9ef10d7685d491583c6fa93ae5d9105d815bd

SHA256
4485df22c627fa0bb899d79aa6ff29bc5be1dbc3caa2b7a490809338d54b7794

SHA512
e4553b86b083996038bacfb979ad0b86f578f95185d8efac34a77f6cc73e491d4f70e1449bbc9eb1d62f430800c1574101b270e1cb0eeed43a83049a79b636a3

Download Submit
memory/740-10-0x0000000000160000-0x0000000000169000-memory.dmp

Filesize
36KB

Download
memory/740-35-0x0000000000160000-0x0000000000169000-memory.dmp

Filesize
36KB

Download
memory/2532-8-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download
memory/2532-0-0x0000000000400000-0x0000000000419000-memory.dmp

Filesize
100KB

Download